John T. Hwang

Associate Professor · Director

Large-scale design optimization of complex engineering systems, with an emphasis on the computational architecture that makes gradient-based optimization of coupled models practical.

Education

PhD, Aerospace Engineering
University of Michigan · 2015
MS, Mathematics
University of Michigan · 2013
MSE, Aerospace Engineering
University of Michigan · 2012
BASc, Engineering Science
University of Toronto · 2010

Experience

Associate Professor, Mechanical and Aerospace Engineering
UC San Diego · 2024–present
Assistant Professor, Mechanical and Aerospace Engineering
UC San Diego · 2018–2024
Research Engineer
NASA Glenn Research Center · 2016–2018
Postdoctoral Fellow
University of Michigan · 2015–2016

Selected awards

DARPA Young Faculty Award
2022
Runner-up, NASA Software of the Year Award (co-developer)
2020
Presidential Early Career Award for Scientists and Engineers (PECASE)
2025

Papers

Andrew H. Fletcher, Hollis A. Smith, John T. Hwang. Efficient and Robust Enforcement of Geometric Non-Interference Constraints for Large-Scale Multidisciplinary Design Optimization. AIAA AVIATION 2026 Forum, AIAA 2026-4501 (AFRL public release), 2026. Distribution Statement A: Approved for public release; distribution is unlimited. PA# AFRL-2026-2044

PDF

@inproceedings{fletcher2026efficient,
  author = {Andrew H. Fletcher and Hollis A. Smith and John T. Hwang},
  title = {Efficient and Robust Enforcement of Geometric Non-Interference Constraints for Large-Scale Multidisciplinary Design Optimization},
  booktitle = {AIAA AVIATION 2026 Forum, AIAA 2026-4501 (AFRL public release)},
  year = {2026},
  note = {Metadata verification: Crossref unavailable: HTTPError}
}

Andrew H. Fletcher, John T. Hwang. Implicit Nonlinear Geometry Parameterization for Multidisciplinary Design Optimization. ASME IDETC/CIE 2026 · DETC2026-192508, 2026. Manuscript

Anugrah Jo Joshy, Jonathan Zerez, John T. Hwang. Enhancing Robustness and Efficiency in Large-Scale System Design Optimization Using Hessian-Vector Products. ASME IDETC/CIE 2026, Houston, Aug 23–26; public domain at conference, 2026. Manuscript

@inproceedings{joshy2026enhancing,
  author = {Anugrah Jo Joshy and Jonathan Zerez and John T. Hwang},
  title = {Enhancing Robustness and Efficiency in Large-Scale System Design Optimization Using Hessian-Vector Products},
  booktitle = {ASME IDETC/CIE 2026, Houston, Aug 23–26; public domain at conference},
  year = {2026}
}

Anugrah Jo Joshy, John T. Hwang. modOpt: A modular development environment and library for optimization algorithms. Advances in Engineering Software, 2026.

DOI PDF

@article{joshy2026modopt,
  author = {Anugrah Jo Joshy and John T. Hwang},
  title = {modOpt: A modular development environment and library for optimization algorithms},
  journal = {Advances in Engineering Software},
  year = {2026},
  volume = {213},
  pages = {104084},
  doi = {10.1016/j.advengsoft.2025.104084},
  url = {https://doi.org/10.1016/j.advengsoft.2025.104084},
  eprint = {2410.12942},
  archiveprefix = {arXiv},
  note = {Metadata verification: Crossref DOI}
}

Nicholas C. Orndorff, Christopher Lupp, John T. Hwang. A Distributed Algorithm for Large-Scale Multidisciplinary Design Optimization With Global Constraints. AIAA AVIATION 2026 Forum, 2026. Distribution Statement A: Approved for public release; distribution is unlimited. PA# AFRL-2026-2045

DOI PDF

@inproceedings{orndorff2026distributed,
  author = {Nicholas C. Orndorff and Christopher Lupp and John T. Hwang},
  title = {A Distributed Algorithm for Large-Scale Multidisciplinary Design Optimization With Global Constraints},
  booktitle = {AIAA AVIATION 2026 Forum},
  year = {2026},
  doi = {10.2514/6.2026-4500},
  url = {https://doi.org/10.2514/6.2026-4500},
  note = {Metadata verification: Crossref title}
}

Marius L. Ruh, John T. Hwang. Differentiable Signed Distance Function Surrogates for Multidisciplinary Design Optimization Using Radial Basis Functions. ASME IDETC/CIE 2026 · DETC2026-194018, 2026. Manuscript

Marius L. Ruh, John T. Hwang. Surface Mesh Deformation for Large-Scale Multidisciplinary Design Optimization of Aircraft Concepts. AIAA AVIATION 2026 Forum, AIAA 2026-4569, 2026.

PDF

@inproceedings{ruh2026surface,
  author = {Marius L. Ruh and John T. Hwang},
  title = {Surface Mesh Deformation for Large-Scale Multidisciplinary Design Optimization of Aircraft Concepts},
  booktitle = {AIAA AVIATION 2026 Forum, AIAA 2026-4569},
  year = {2026},
  note = {Metadata verification: Crossref unavailable: HTTPError}
}

Marius L. Ruh, Michael A. P. Warner, Luca Scotzniovsky, Andrew H. Fletcher, Mark Z. Sperry, John T. Hwang. System-Level, Large-Scale Multidisciplinary Design Optimization of an Air Taxi Concept. Journal of Aircraft, 2026.

DOI PDF

@article{ruh2026system,
  author = {Marius L. Ruh and Michael A. P. Warner and Luca Scotzniovsky and Andrew H. Fletcher and Mark Z. Sperry and John T. Hwang},
  title = {System-Level, Large-Scale Multidisciplinary Design Optimization of an Air Taxi Concept},
  journal = {Journal of Aircraft},
  year = {2026},
  pages = {1-24},
  doi = {10.2514/1.c038533},
  url = {https://doi.org/10.2514/1.c038533},
  note = {Metadata verification: Crossref DOI}
}

Luca Scotzniovsky, Nicholas C. Orndorff, Andrew H. Fletcher, Jason Kao, John T. Hwang. Large-Scale Multidisciplinary Design Optimization of a Blended Wing Body Aircraft Using Mid-Fidelity, Multi-Point Analysis. AIAA AVIATION 2026 Forum, 2026. Distribution Statement A: Approved for public release; distribution is unlimited. PA# AFRL-2026-2042

DOI PDF

@inproceedings{scotzniovsky2026large,
  author = {Luca Scotzniovsky and Nicholas C. Orndorff and Andrew H. Fletcher and Jason Kao and John T. Hwang},
  title = {Large-Scale Multidisciplinary Design Optimization of a Blended Wing Body Aircraft Using Mid-Fidelity, Multi-Point Analysis},
  booktitle = {AIAA AVIATION 2026 Forum},
  year = {2026},
  doi = {10.2514/6.2026-4247},
  url = {https://doi.org/10.2514/6.2026-4247},
  note = {Metadata verification: Crossref title}
}

Luca Scotzniovsky, John T. Hwang. VortexAD: A Graph-Based Linear Potential Flow Analysis Framework for Large-Scale MDO. AIAA AVIATION 2026 Forum, AIAA 2026-4642, 2026.

PDF

@inproceedings{scotzniovsky2026vortexad,
  author = {Luca Scotzniovsky and John T. Hwang},
  title = {VortexAD: A Graph-Based Linear Potential Flow Analysis Framework for Large-Scale MDO},
  booktitle = {AIAA AVIATION 2026 Forum, AIAA 2026-4642},
  year = {2026},
  note = {Metadata verification: Crossref unavailable: HTTPError}
}

Mark Sperry, John T. Hwang. Multifidelity Surrogate Modeling for 3D Aerodynamic Flow Field Prediction Using Graph Neural Networks. AIAA AVIATION 2026 Forum, 2026. Distribution Statement A: Approved for public release; distribution is unlimited. PA# AFRL-2026-2231

DOI PDF

@inproceedings{sperry2026multifidelity,
  author = {Mark Sperry and John T. Hwang},
  title = {Multifidelity Surrogate Modeling for 3D Aerodynamic Flow Field Prediction Using Graph Neural Networks},
  booktitle = {AIAA AVIATION 2026 Forum},
  year = {2026},
  doi = {10.2514/6.2026-4802},
  url = {https://doi.org/10.2514/6.2026-4802},
  note = {Metadata verification: Crossref title}
}

Sebastiaan P. van Schie, John T. Hwang. Computational Framework for High-Fidelity Aerodynamic Shape Optimization Using Weighted POD. AIAA AVIATION 2026 Forum, 2026.

DOI PDF

@inproceedings{vanschie2026computational,
  author = {Sebastiaan P. van Schie and John T. Hwang},
  title = {Computational Framework for High-Fidelity Aerodynamic Shape Optimization Using Weighted POD},
  booktitle = {AIAA AVIATION 2026 Forum},
  year = {2026},
  doi = {10.2514/6.2026-4782},
  url = {https://doi.org/10.2514/6.2026-4782},
  note = {Metadata verification: Crossref title}
}

Sebastiaan P. van Schie, John T. Hwang. Towards Hyper-Reduced Weighted POD for Large-Scale Aerodynamic Design Optimization. AIAA SCITECH 2026 Forum, 2026.

DOI PDF

@inproceedings{vanschie2026towards,
  author = {Sebastiaan P. van Schie and John T. Hwang},
  title = {Towards Hyper-Reduced Weighted POD for Large-Scale Aerodynamic Design Optimization},
  booktitle = {AIAA SCITECH 2026 Forum},
  year = {2026},
  doi = {10.2514/6.2026-1212},
  url = {https://doi.org/10.2514/6.2026-1212},
  note = {Metadata verification: Crossref DOI}
}

Bingran Wang, Min Sung Kim, Taewoong Yoon, Dasom Lee, Byeong-Sang Kim, Dougyong Sung, John T. Hwang. Design Optimization of Semiconductor Manufacturing Equipment Using a Novel Multi-Fidelity Surrogate Modeling Approach. Optimization and Engineering, 27(2), 1451–1479, 2026.

PDF

@article{wang2026design,
  author = {Bingran Wang and Min Sung Kim and Taewoong Yoon and Dasom Lee and Byeong-Sang Kim and Dougyong Sung and John T. Hwang},
  title = {Design Optimization of Semiconductor Manufacturing Equipment Using a Novel Multi-Fidelity Surrogate Modeling Approach},
  journal = {Optimization and Engineering},
  volume = {27},
  number = {2},
  pages = {1451--1479},
  year = {2026}
}

Bingran Wang, Seongha Jeong, Sebastiaan P. C. van Schie, Dongyeon Han, Jaeho Min, John T. Hwang. Knowledge-Guided Generative Surrogate Modeling for High-Dimensional Design Optimization Under Scarce Data. Journal of Computing and Information Science in Engineering, 2026.

DOI PDF

@article{wang2026knowledge,
  author = {Bingran Wang and Seongha Jeong and Sebastiaan P. C. van Schie and Dongyeon Han and Jaeho Min and John T. Hwang},
  title = {Knowledge-Guided Generative Surrogate Modeling for High-Dimensional Design Optimization Under Scarce Data},
  journal = {Journal of Computing and Information Science in Engineering},
  year = {2026},
  volume = {26},
  number = {7},
  doi = {10.1115/1.4070934},
  url = {https://doi.org/10.1115/1.4070934},
  note = {Metadata verification: Crossref title}
}

Michael Warner, John T. Hwang. Reduced Jacobian Supervision for Data-Efficient Operator Learning in High-Dimensional Design Spaces. AIAA AVIATION 2026 Forum, 2026. Distribution Statement A: Approved for public release; distribution is unlimited. PA# AFRL-2026-2144

DOI PDF

@inproceedings{warner2026reduced,
  author = {Michael Warner and John T. Hwang},
  title = {Reduced Jacobian Supervision for Data-Efficient Operator Learning in High-Dimensional Design Spaces},
  booktitle = {AIAA AVIATION 2026 Forum},
  year = {2026},
  doi = {10.2514/6.2026-4806},
  url = {https://doi.org/10.2514/6.2026-4806},
  note = {Metadata verification: Crossref title}
}

Michael A. P. Warner, John T. Hwang. Structured Reduced-Basis Neural Operators for PDEs on Complex Geometries. ASME IDETC/CIE 2026 · DETC2026-194246, 2026. Distribution Statement A: Approved for public release; distribution is unlimited. PA# AFRL-2026-1143 Manuscript

Jiayao Yan, Michael T. Tolley, Qiang Zhu, John T. Hwang. Simultaneous kinematics and shape optimization of a carangiform swimmer using gradient-based optimization. Optimization and Engineering, 2026.

@article{yan2026simultaneous,
  author = {Jiayao Yan and Michael T. Tolley and Qiang Zhu and John T. Hwang},
  title = {Simultaneous kinematics and shape optimization of a carangiform swimmer using gradient-based optimization},
  journal = {Optimization and Engineering},
  year = {2026},
  pages = {1-31}
}

Zeyu Cheng, Zhi Cao, Chris Mi, John T. Hwang. Cost Optimization of Electric Vertical Takeoff and Landing Aircraft Through Powertrain Modeling. Journal of Air Transportation, 2025.

DOI PDF

@article{cheng2025cost,
  author = {Zeyu Cheng and Zhi Cao and Chris Mi and John T. Hwang},
  title = {Cost Optimization of Electric Vertical Takeoff and Landing Aircraft Through Powertrain Modeling},
  journal = {Journal of Air Transportation},
  year = {2025},
  volume = {33},
  number = {3},
  pages = {285-296},
  doi = {10.2514/1.d0487},
  url = {https://doi.org/10.2514/1.d0487},
  note = {Metadata verification: Crossref DOI}
}

Zeyu Cheng, Zhi Cao, John T. Hwang, Chris Mi. Weight minimization of electric vertical takeoff and landing aircraft: From the comprehensive powertrain perspective. International Journal of Electrical Power & Energy Systems, 2025.

DOI PDF

@article{cheng2025weight,
  author = {Zeyu Cheng and Zhi Cao and John T. Hwang and Chris Mi},
  title = {Weight minimization of electric vertical takeoff and landing aircraft: From the comprehensive powertrain perspective},
  journal = {International Journal of Electrical Power &amp; Energy Systems},
  year = {2025},
  volume = {172},
  pages = {111328},
  doi = {10.1016/j.ijepes.2025.111328},
  url = {https://doi.org/10.1016/j.ijepes.2025.111328},
  note = {Metadata verification: Crossref DOI}
}

Andrew Fletcher, Ru Xiang, Luca Scotzniovsky, Jacobo Cervera-Torralba, Michael T. Tolley, John T. Hwang. Multidisciplinary Control Co-Design Optimization of Anguilliform-Swimming Soft Fluidic Robots. IEEE International Conference on Soft Robotics (RoboSoft), 2025, 2025.

PDF

@inproceedings{fletcher2025multidisciplinary,
  author = {Andrew Fletcher and Ru Xiang and Luca Scotzniovsky and Jacobo Cervera-Torralba and Michael T. Tolley and John T. Hwang},
  title = {Multidisciplinary Control Co-Design Optimization of Anguilliform-Swimming Soft Fluidic Robots},
  booktitle = {IEEE International Conference on Soft Robotics (RoboSoft)},
  year = {2025}
}

Andrew H. Fletcher, Ru Xiang, Jacobo Cervera-Torralba, Michael T. Tolley, John T. Hwang. Multidisciplinary Design Optimization of an Eel-Inspired Soft Robot. AIAA SciTech 2025 Forum; AIAA 2025-1751, 2025.

PDF

@inproceedings{fletcher2025multidisciplinarya,
  author = {Andrew H. Fletcher and Ru Xiang and Jacobo Cervera-Torralba and Michael T. Tolley and John T. Hwang},
  title = {Multidisciplinary Design Optimization of an Eel-Inspired Soft Robot},
  booktitle = {AIAA SciTech 2025 Forum; AIAA 2025-1751},
  year = {2025},
  note = {Metadata verification: Crossref unavailable: HTTPError}
}

Yeonsu Kim, Junhan Lee, Bingran Wang, John T. Hwang, Dongjin Lee. Interpolation-Based Optimal Knot Selection in Spline Dimensional Decomposition for Uncertainty Quantification in Dynamical Systems. Applied Mathematical Modelling, 116613, 2025.

PDF

@article{kim2025spline,
  author = {Yeonsu Kim and Junhan Lee and Bingran Wang and John T. Hwang and Dongjin Lee},
  title = {Interpolation-Based Optimal Knot Selection in Spline Dimensional Decomposition for Uncertainty Quantification in Dynamical Systems},
  journal = {Applied Mathematical Modelling},
  pages = {116613},
  year = {2025}
}

Joshua Krokowski, John T. Hwang. Penalty-Based Coupling of Non-Matching Beam Cross-Section Meshes for Large-Scale Design Optimization. AIAA AVIATION FORUM AND ASCEND 2025, 2025.

DOI PDF

@inproceedings{krokowski2025penalty,
  author = {Joshua Krokowski and John T. Hwang},
  title = {Penalty-Based Coupling of Non-Matching Beam Cross-Section Meshes for Large-Scale Design Optimization},
  booktitle = {AIAA AVIATION FORUM AND ASCEND 2025},
  year = {2025},
  doi = {10.2514/6.2025-3473},
  url = {https://doi.org/10.2514/6.2025-3473},
  note = {Metadata verification: Crossref title}
}

Aedan Mangan, Sukjun Kim, Noah Jones, Michael G. Brandel, Jeremy J. Heit, Alexander Norbash, John T. Hwang, Elliot Hawkes, Tania K. Morimoto. Serially-Connected Soft Continuum Robots for Endovascular Emergencies. IEEE Transactions on Medical Robotics and Bionics, 2025.

DOI PDF

@article{mangan2025serially,
  author = {Aedan Mangan and Sukjun Kim and Noah Jones and Michael G. Brandel and Jeremy J. Heit and Alexander Norbash and John T. Hwang and Elliot Hawkes and Tania K. Morimoto},
  title = {Serially-Connected Soft Continuum Robots for Endovascular Emergencies},
  journal = {IEEE Transactions on Medical Robotics and Bionics},
  year = {2025},
  volume = {7},
  number = {3},
  pages = {1029-1040},
  doi = {10.1109/tmrb.2025.3583160},
  url = {https://doi.org/10.1109/tmrb.2025.3583160},
  note = {Metadata verification: Crossref DOI}
}

Nicholas C. Orndorff, John T. Hwang. A Distributed Method for Solving Large-Scale Multidisciplinary Optimization Problems. AIAA AVIATION FORUM AND ASCEND 2025, 2025.

DOI PDF

@inproceedings{orndorff2025distributed,
  author = {Nicholas C. Orndorff and John T. Hwang},
  title = {A Distributed Method for Solving Large-Scale Multidisciplinary Optimization Problems},
  booktitle = {AIAA AVIATION FORUM AND ASCEND 2025},
  year = {2025},
  doi = {10.2514/6.2025-3736},
  url = {https://doi.org/10.2514/6.2025-3736},
  note = {Metadata verification: Crossref title}
}

Marius L. Ruh, John T. Hwang. Differentiable Surface Mesh Deformation for Non-Conformal, Independently Parameterized Components with Large Shape Changes. AIAA AVIATION FORUM AND ASCEND 2025, 2025.

DOI PDF

@inproceedings{ruh2025differentiable,
  author = {Marius L. Ruh and John T. Hwang},
  title = {Differentiable Surface Mesh Deformation for Non-Conformal, Independently Parameterized Components with Large Shape Changes},
  booktitle = {AIAA AVIATION FORUM AND ASCEND 2025},
  year = {2025},
  doi = {10.2514/6.2025-3683},
  url = {https://doi.org/10.2514/6.2025-3683},
  note = {Metadata verification: Crossref title}
}

Marius L. Ruh, Michael Warner, John T. Hwang. Toward Large-Scale Multidisciplinary Design Optimization of Aircraft With CFD and Mixed-Fidelity System Models. AIAA SCITECH 2025 Forum, 2025.

DOI PDF

@inproceedings{ruh2025toward,
  author = {Marius L. Ruh and Michael Warner and John T. Hwang},
  title = {Toward Large-Scale Multidisciplinary Design Optimization of Aircraft With CFD and Mixed-Fidelity System Models},
  booktitle = {AIAA SCITECH 2025 Forum},
  year = {2025},
  doi = {10.2514/6.2025-0371},
  url = {https://doi.org/10.2514/6.2025-0371},
  note = {Metadata verification: Crossref title}
}

Luca Scotzniovsky, John T. Hwang. A Fast, Memory-Efficient Panel Method for Large-Scale Multidisciplinary Design Optimization Under Uncertainty Using Graph-Based Modeling. AIAA AVIATION 2025 Forum, 2025.

PDF

@inproceedings{scotzniovsky2025fast,
  author = {Luca Scotzniovsky and John T. Hwang},
  title = {A Fast, Memory-Efficient Panel Method for Large-Scale Multidisciplinary Design Optimization Under Uncertainty Using Graph-Based Modeling},
  booktitle = {AIAA AVIATION 2025 Forum},
  year = {2025}
}

Luca Scotzniovsky, Ru Xiang, Zeyu Cheng, Gabriel Rodriguez, David Kamensky, Chris Mi, John T. Hwang. Geometric design of electric motors using adjoint-based shape optimization. Optimization and Engineering, 2025.

DOI PDF

@article{scotzniovsky2025geometric,
  author = {Luca Scotzniovsky and Ru Xiang and Zeyu Cheng and Gabriel Rodriguez and David Kamensky and Chris Mi and John T. Hwang},
  title = {Geometric design of electric motors using adjoint-based shape optimization},
  journal = {Optimization and Engineering},
  year = {2025},
  volume = {26},
  number = {1},
  pages = {121-158},
  doi = {10.1007/s11081-024-09892-6},
  url = {https://doi.org/10.1007/s11081-024-09892-6},
  note = {Metadata verification: Crossref DOI}
}

Mark Sperry, John T. Hwang. Hybrid Training of Physics-Informed Neural Networks with Approximate Supervision. AIAA AVIATION 2025 Forum, 2025.

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@inproceedings{sperry2025hybrid,
  author = {Mark Sperry and John T. Hwang},
  title = {Hybrid Training of Physics-Informed Neural Networks with Approximate Supervision},
  booktitle = {AIAA AVIATION 2025 Forum},
  year = {2025}
}

Mark Z. Sperry, John T. Hwang. Ozone: an open-source ordinary differential equation solver for gradient-based optimization. Optimization and Engineering, 2025.

DOI PDF

@article{sperry2025ozone,
  author = {Mark Z. Sperry and John T. Hwang},
  title = {Ozone: an open-source ordinary differential equation solver for gradient-based optimization},
  journal = {Optimization and Engineering},
  year = {2025},
  volume = {26},
  number = {3},
  pages = {2145-2183},
  doi = {10.1007/s11081-025-09967-y},
  url = {https://doi.org/10.1007/s11081-025-09967-y},
  note = {Metadata verification: Crossref title}
}

Sebastiaan P. van Schie, Marius L. Ruh, Andrew H. Fletcher, Michael Warner, Mark Sperry, Luca Scotzniovsky, Nicholas C. Orndorff, Ru Xiang, Jiayao Yan, Han Zhao, Joshua Krokowski, Jiun-Shyan Chen, Darshan Sarojini, Hyunjune Gill, Seongkyu Lee, Andrew C. Tagg, Ryan Anderson, Eric Green, Cibin Joseph, Andrew Ning, Zeyu Cheng, Zhi Cao, Chunting Mi, Alexandre T. Guibert, Ashley Cronk, Alicia A. Kim, Shirley Meng, Christopher Silva, John T. Hwang. Large-Scale Distributed Multidisciplinary Design Optimization of the NASA Lift-Plus-Cruise Air Taxi Concept. AIAA SCITECH 2025 Forum, 2025.

DOI PDF

@inproceedings{vanschie2025large,
  author = {Sebastiaan P. van Schie and Marius L. Ruh and Andrew H. Fletcher and Michael Warner and Mark Sperry and Luca Scotzniovsky and Nicholas C. Orndorff and Ru Xiang and Jiayao Yan and Han Zhao and Joshua Krokowski and Jiun-Shyan Chen and Darshan Sarojini and Hyunjune Gill and Seongkyu Lee and Andrew C. Tagg and Ryan Anderson and Eric Green and Cibin Joseph and Andrew Ning and Zeyu Cheng and Zhi Cao and Chunting Mi and Alexandre T. Guibert and Ashley Cronk and Alicia A. Kim and Shirley Meng and Christopher Silva and John T. Hwang},
  title = {Large-Scale Distributed Multidisciplinary Design Optimization of the NASA Lift-Plus-Cruise Air Taxi Concept},
  booktitle = {AIAA SCITECH 2025 Forum},
  year = {2025},
  doi = {10.2514/6.2025-0362},
  url = {https://doi.org/10.2514/6.2025-0362},
  note = {Metadata verification: Crossref title}
}

Sebastiaan P. C. van Schie, Boris Kramer, John T. Hwang. Weighted Proper Orthogonal Decomposition for High-Dimensional Optimization. arXiv:2508.09084v1, 2025. Preprint

PDF arXiv

@misc{vanschie2025weighted,
  title = {Weighted Proper Orthogonal Decomposition for High-Dimensional Optimization},
  author = {Sebastiaan P. C. van Schie and Boris Kramer and John T. Hwang},
  year = {2025},
  eprint = {2508.09084},
  archivePrefix = {arXiv},
  primaryClass = {math.NA}
}

Bingran Wang, Michael Warner, Aoran Tian, Luca Scotzniovsky, John T. Hwang. A comparative study of uncertainty quantification methods in gust response analysis of a Lift-Plus-Cruise eVTOL aircraft wing. AIAA SCITECH 2025 Forum, 2025.

DOI PDF

@inproceedings{wang2025comparative,
  author = {Bingran Wang and Michael Warner and Aoran Tian and Luca Scotzniovsky and John T. Hwang},
  title = {A comparative study of uncertainty quantification methods in gust response analysis of a Lift-Plus-Cruise eVTOL aircraft wing},
  booktitle = {AIAA SCITECH 2025 Forum},
  year = {2025},
  doi = {10.2514/6.2025-2819},
  url = {https://doi.org/10.2514/6.2025-2819},
  note = {Metadata verification: Crossref title}
}

Bingran Wang, Nicholas C. Orndorff, Mark Sperry, John T. Hwang. Extension of graph-accelerated non-intrusive polynomial chaos to high-dimensional uncertainty quantification through the active subspace method. Aerospace Science and Technology, 2025.

DOI PDF

@article{wang2025extension,
  author = {Bingran Wang and Nicholas C. Orndorff and Mark Sperry and John T. Hwang},
  title = {Extension of graph-accelerated non-intrusive polynomial chaos to high-dimensional uncertainty quantification through the active subspace method},
  journal = {Aerospace Science and Technology},
  year = {2025},
  volume = {160},
  pages = {110074},
  doi = {10.1016/j.ast.2025.110074},
  url = {https://doi.org/10.1016/j.ast.2025.110074},
  note = {Metadata verification: Crossref DOI}
}

Bingran Wang, Marius L. Ruh, Aoran Tian, Luca Scotzniovsky, John T. Hwang. Large-scale MDO under uncertainty of an eVTOL aircraft using dimension reduction via global sensitivity analysis. AIAA AVIATION FORUM AND ASCEND 2025, 2025.

DOI PDF

@inproceedings{wang2025large,
  author = {Bingran Wang and Marius L. Ruh and Aoran Tian and Luca Scotzniovsky and John T. Hwang},
  title = {Large-scale MDO under uncertainty of an eVTOL aircraft using dimension reduction via global sensitivity analysis},
  booktitle = {AIAA AVIATION FORUM AND ASCEND 2025},
  year = {2025},
  doi = {10.2514/6.2025-3344},
  url = {https://doi.org/10.2514/6.2025-3344},
  note = {Metadata verification: Crossref title}
}

Han Zhao, John T. Hwang, Jiun-Shyan Chen. Open-source shape optimization for isogeometric shells using FEniCS and OpenMDAO. Engineering with Computers, 2025.

DOI PDF

@article{zhao2025open,
  author = {Han Zhao and John T. Hwang and Jiun-Shyan Chen},
  title = {Open-source shape optimization for isogeometric shells using FEniCS and OpenMDAO},
  journal = {Engineering with Computers},
  year = {2025},
  volume = {41},
  number = {3},
  pages = {1877-1899},
  doi = {10.1007/s00366-025-02116-0},
  url = {https://doi.org/10.1007/s00366-025-02116-0},
  note = {Metadata verification: Crossref DOI; A.I.37 is online-first PDF artifact, A.I.40 is canonical final artifact}
}

Ryan C. Dunn, Anugrah Jo Joshy, Jui-Te Lin, Cédric Girerd, Tania K. Morimoto, John T. Hwang. Scalable enforcement of geometric non-interference constraints for gradient-based optimization. Optimization and Engineering, 2024.

DOI PDF

@article{dunn2024scalable,
  author = {Ryan C. Dunn and Anugrah Jo Joshy and Jui-Te Lin and Cédric Girerd and Tania K. Morimoto and John T. Hwang},
  title = {Scalable enforcement of geometric non-interference constraints for gradient-based optimization},
  journal = {Optimization and Engineering},
  year = {2024},
  volume = {25},
  number = {4},
  pages = {1849-1882},
  doi = {10.1007/s11081-023-09864-2},
  url = {https://doi.org/10.1007/s11081-023-09864-2},
  note = {Metadata verification: Crossref title}
}

Anugrah Jo Joshy, John T. Hwang. PySLSQP: A transparent Python package for the SLSQP optimization algorithm modernized with utilities for visualization and post-processing. Journal of Open Source Software, 2024.

DOI

@article{joshy2024pyslsqp,
  title = {PySLSQP: A transparent Python package for the SLSQP optimization algorithm modernized with utilities for visualization and post-processing},
  author = {Anugrah Jo Joshy and John T. Hwang},
  journal = {Journal of Open Source Software},
  year = {2024},
  volume = {9},
  number = {103},
  pages = {7246},
  doi = {10.21105/joss.07246}
}

Jui-Te Lin, Cédric Girerd, Benjamin T. Ostrander, Parsa Molaei, Hunter B. Gilbert, Philip A. Weissbrod, John T. Hwang, Tania K. Morimoto. Closing the Loop on Concentric Tube Robot Design: A Case Study on Micro-Laryngeal Surgery. IEEE Transactions on Biomedical Engineering, 2024.

DOI PDF

@article{lin2024closing,
  author = {Jui-Te Lin and Cédric Girerd and Benjamin T. Ostrander and Parsa Molaei and Hunter B. Gilbert and Philip A. Weissbrod and John T. Hwang and Tania K. Morimoto},
  title = {Closing the Loop on Concentric Tube Robot Design: A Case Study on Micro-Laryngeal Surgery},
  journal = {IEEE Transactions on Biomedical Engineering},
  year = {2024},
  volume = {71},
  number = {12},
  pages = {3457-3469},
  doi = {10.1109/tbme.2024.3426489},
  url = {https://doi.org/10.1109/tbme.2024.3426489},
  note = {Metadata verification: Crossref DOI}
}

Marius L. Ruh, Andrew Fletcher, Darshan Sarojini, Mark Sperry, Jiayao Yan, Luca Scotzniovsky, Sebastiaan P. van Schie, Michael Warner, Nicholas C. Orndorff, Ru Xiang, Anugrah J. Joshy, Han Zhao, Joshua Krokowski, Hyunjune Gill, Seongkyu Lee, Zeyu Cheng, Zhi Cao, Chris Mi, Christopher Silva, Lauren Wolfe, Jiun-Shyan Chen, John T. Hwang. Large-scale multidisciplinary design optimization of a NASA air taxi concept using a comprehensive physics-based system model. AIAA SCITECH 2024 Forum, 2024.

DOI PDF

@inproceedings{ruh2024large,
  author = {Marius L. Ruh and Andrew Fletcher and Darshan Sarojini and Mark Sperry and Jiayao Yan and Luca Scotzniovsky and Sebastiaan P. van Schie and Michael Warner and Nicholas C. Orndorff and Ru Xiang and Anugrah J. Joshy and Han Zhao and Joshua Krokowski and Hyunjune Gill and Seongkyu Lee and Zeyu Cheng and Zhi Cao and Chris Mi and Christopher Silva and Lauren Wolfe and Jiun-Shyan Chen and John T. Hwang},
  title = {Large-scale multidisciplinary design optimization of a NASA air taxi concept using a comprehensive physics-based system model},
  booktitle = {AIAA SCITECH 2024 Forum},
  year = {2024},
  doi = {10.2514/6.2024-0771},
  url = {https://doi.org/10.2514/6.2024-0771},
  note = {Metadata verification: Crossref DOI}
}

Sergio A. Sandoval, Ping Lu, John T. Hwang. Abort Guidance During Lunar Powered Descent. Journal of Guidance, Control, and Dynamics, 2024.

DOI PDF

@article{sandoval2024abort,
  author = {Sergio A. Sandoval and Ping Lu and John T. Hwang},
  title = {Abort Guidance During Lunar Powered Descent},
  journal = {Journal of Guidance, Control, and Dynamics},
  year = {2024},
  volume = {47},
  number = {3},
  pages = {394-406},
  doi = {10.2514/1.g007086},
  url = {https://doi.org/10.2514/1.g007086},
  note = {Metadata verification: Crossref title}
}

Darshan Sarojini, Marius Ruh, Jiayao Yan, Luca Scotzniovsky, Nicholas C. Orndorff, Ru Xiang, Han Zhao, Joshua Krokowski, Michael Warner, Sebastiaan van Schie, Ashley Cronk, Alexandre T. Guibert, Jeffrey T. Chambers, Lauren Wolfe, Rachel Doring, Robin Despins, Cibin Joseph, Ryan Anderson, Andrew Ning, Hyunjune Gill, Seongkyu Lee, Zeyu Cheng, Zhi Cao, Chris Mi, Ying Shirley Meng, Christopher Silva, Jiun-Shyan Chen, Alicia A. Kim, John T. Hwang. Review of Computational Models for Large-Scale MDAO of Urban Air Mobility Concepts. AIAA SCITECH 2024 Forum, 2024.

DOI PDF

@inproceedings{sarojini2024review,
  author = {Darshan Sarojini and Marius Ruh and Jiayao Yan and Luca Scotzniovsky and Nicholas C. Orndorff and Ru Xiang and Han Zhao and Joshua Krokowski and Michael Warner and Sebastiaan van Schie and Ashley Cronk and Alexandre T. Guibert and Jeffrey T. Chambers and Lauren Wolfe and Rachel Doring and Robin Despins and Cibin Joseph and Ryan Anderson and Andrew Ning and Hyunjune Gill and Seongkyu Lee and Zeyu Cheng and Zhi Cao and Chris Mi and Ying Shirley Meng and Christopher Silva and Jiun-Shyan Chen and Alicia A. Kim and John T. Hwang},
  title = {Review of Computational Models for Large-Scale MDAO of Urban Air Mobility Concepts},
  booktitle = {AIAA SCITECH 2024 Forum},
  year = {2024},
  doi = {10.2514/6.2024-0377},
  url = {https://doi.org/10.2514/6.2024-0377},
  note = {Metadata verification: Crossref DOI}
}

Paul Saves, Rémi Lafage, Nathalie Bartoli, Youssef Diouane, Jasper Bussemaker, Thierry Lefebvre, John T. Hwang, Joseph Morlier, Joaquim R.R.A. Martins. SMT 2.0: A Surrogate Modeling Toolbox with a focus on hierarchical and mixed variables Gaussian processes. Advances in Engineering Software, 2024.

DOI PDF

@article{saves2024smt,
  author = {Paul Saves and Rémi Lafage and Nathalie Bartoli and Youssef Diouane and Jasper Bussemaker and Thierry Lefebvre and John T. Hwang and Joseph Morlier and Joaquim R.R.A. Martins},
  title = {SMT 2.0: A Surrogate Modeling Toolbox with a focus on hierarchical and mixed variables Gaussian processes},
  journal = {Advances in Engineering Software},
  year = {2024},
  volume = {188},
  pages = {103571},
  doi = {10.1016/j.advengsoft.2023.103571},
  url = {https://doi.org/10.1016/j.advengsoft.2023.103571},
  note = {Metadata verification: Crossref title}
}

Mark Sperry, Kavish Kondap, John T. Hwang. Static Task Scheduling for Parallel Execution of Large-Scale Multidisciplinary Design Optimization Models. AIAA SCITECH 2024 Forum, 2024.

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@inproceedings{sperry2024static,
  author = {Mark Sperry and Kavish Kondap and John T. Hwang},
  title = {Static Task Scheduling for Parallel Execution of Large-Scale Multidisciplinary Design Optimization Models},
  booktitle = {AIAA SCITECH 2024 Forum},
  year = {2024},
  doi = {10.2514/6.2024-1803},
  url = {https://doi.org/10.2514/6.2024-1803},
  note = {Metadata verification: Crossref DOI}
}

Sebastiaan P. van Schie, Michael Warner, Andrew Fletcher, John T. Hwang. Enforcing Work Conservation in Modular Aeroelastic Coupling For Multidisciplinary Design Optimization. AIAA SCITECH 2024 Forum, 2024.

DOI PDF

@inproceedings{vanschie2024enforcing,
  author = {Sebastiaan P. van Schie and Michael Warner and Andrew Fletcher and John T. Hwang},
  title = {Enforcing Work Conservation in Modular Aeroelastic Coupling For Multidisciplinary Design Optimization},
  booktitle = {AIAA SCITECH 2024 Forum},
  year = {2024},
  doi = {10.2514/6.2024-2411},
  url = {https://doi.org/10.2514/6.2024-2411},
  note = {Metadata verification: Crossref DOI}
}

Bingran Wang, Mark Sperry, Victor E. Gandarillas, John T. Hwang. Accelerating Model Evaluations in Uncertainty Propagation on Tensor Grids Using Computational Graph Transformations. Aerospace Science and Technology 145 (2024), p. 108843, 2024.

PDF

@article{wang2023accelerating,
  author = {Bingran Wang and Mark Sperry and Victor E. Gandarillas and John T. Hwang},
  title = {Accelerating Model Evaluations in Uncertainty Propagation on Tensor Grids Using Computational Graph Transformations},
  journal = {Aerospace Science and Technology 145 (2024), p. 108843},
  year = {2023},
  note = {Metadata verification: Crossref unavailable: HTTPError}
}

Bingran Wang, Nicholas C. Orndorff, Mark Sperry, John T. Hwang. A gradient-enhanced univariate dimension reduction method for uncertainty propagation. Aerospace Science and Technology, 2024.

DOI PDF

@article{wang2024gradient,
  author = {Bingran Wang and Nicholas C. Orndorff and Mark Sperry and John T. Hwang},
  title = {A gradient-enhanced univariate dimension reduction method for uncertainty propagation},
  journal = {Aerospace Science and Technology},
  year = {2024},
  volume = {155},
  pages = {109602},
  doi = {10.1016/j.ast.2024.109602},
  url = {https://doi.org/10.1016/j.ast.2024.109602},
  note = {Metadata verification: Crossref DOI}
}

Bingran Wang, Nicholas C. Orndorff, Mark Sperry, John T. Hwang. A gradient-enhanced univariate dimension reduction method for uncertainty propagation. AIAA SCITECH 2024 Forum, 2024.

DOI PDF

@inproceedings{wang2024gradienta,
  author = {Bingran Wang and Nicholas C. Orndorff and Mark Sperry and John T. Hwang},
  title = {A gradient-enhanced univariate dimension reduction method for uncertainty propagation},
  booktitle = {AIAA SCITECH 2024 Forum},
  year = {2024},
  doi = {10.2514/6.2024-1234},
  url = {https://doi.org/10.2514/6.2024-1234},
  note = {Metadata verification: Crossref DOI; conference version distinct from related journal publication}
}

Bingran Wang, Nicholas C. Orndorff, John T. Hwang. Graph-accelerated non-intrusive polynomial chaos expansion using partially tensor-structured quadrature rules for uncertainty quantification. Aerospace Science and Technology, 2024.

DOI PDF

@article{wang2024graph,
  author = {Bingran Wang and Nicholas C. Orndorff and John T. Hwang},
  title = {Graph-accelerated non-intrusive polynomial chaos expansion using partially tensor-structured quadrature rules for uncertainty quantification},
  journal = {Aerospace Science and Technology},
  year = {2024},
  volume = {155},
  pages = {109607},
  doi = {10.1016/j.ast.2024.109607},
  url = {https://doi.org/10.1016/j.ast.2024.109607},
  note = {Metadata verification: Crossref DOI}
}

Bingran Wang, Nicholas C. Orndorff, Anugrah J. Joshy, John T. Hwang. Graph-accelerated large-scale multidisciplinary design optimization under uncertainty of a laser-beam-powered aircraft. AIAA SCITECH 2024 Forum, 2024.

DOI PDF

@inproceedings{wang2024grapha,
  author = {Bingran Wang and Nicholas C. Orndorff and Anugrah J. Joshy and John T. Hwang},
  title = {Graph-accelerated large-scale multidisciplinary design optimization under uncertainty of a laser-beam-powered aircraft},
  booktitle = {AIAA SCITECH 2024 Forum},
  year = {2024},
  doi = {10.2514/6.2024-0169},
  url = {https://doi.org/10.2514/6.2024-0169},
  note = {Metadata verification: Crossref DOI}
}

Michael Warner, Andrew Fletcher, Sebastiaan P. van Schie, John T. Hwang. A Method for Modular MDO Model Assembly via a Solver Independent Field Representation. AIAA SCITECH 2024 Forum, 2024.

DOI PDF

@inproceedings{warner2024method,
  author = {Michael Warner and Andrew Fletcher and Sebastiaan P. van Schie and John T. Hwang},
  title = {A Method for Modular MDO Model Assembly via a Solver Independent Field Representation},
  booktitle = {AIAA SCITECH 2024 Forum},
  year = {2024},
  doi = {10.2514/6.2024-1802},
  url = {https://doi.org/10.2514/6.2024-1802},
  note = {Metadata verification: Crossref DOI}
}

Ru Xiang, Sebastiaan P. C. van Schie, Luca Scotzniovsky, Jiayao Yan, David Kamensky, John T. Hwang. Automating adjoint sensitivity analysis for multidisciplinary models involving partial differential equations. Structural and Multidisciplinary Optimization (in press 2024, per CV), 2024.

DOI PDF

@article{xiang2024automating,
  author = {Ru Xiang and Sebastiaan P. C. van Schie and Luca Scotzniovsky and Jiayao Yan and David Kamensky and John T. Hwang},
  title = {Automating adjoint sensitivity analysis for multidisciplinary models involving partial differential equations},
  journal = {Structural and Multidisciplinary Optimization (in press 2024, per CV)},
  year = {2024},
  doi = {10.21203/rs.3.rs-4265983/v1},
  url = {https://doi.org/10.21203/rs.3.rs-4265983/v1},
  note = {Metadata verification: Crossref title}
}

Yunti Xu, Connor Watson, Jui-Te Lin, John T. Hwang, Tania K. Morimoto. Shape Control of Concentric Tube Robots via Approximate Follow-the-Leader Motion. IEEE Robotics and Automation Letters, 2024.

DOI PDF

@article{xu2024shape,
  author = {Yunti Xu and Connor Watson and Jui-Te Lin and John T. Hwang and Tania K. Morimoto},
  title = {Shape Control of Concentric Tube Robots via Approximate Follow-the-Leader Motion},
  journal = {IEEE Robotics and Automation Letters},
  year = {2024},
  volume = {9},
  number = {8},
  pages = {7198-7205},
  doi = {10.1109/lra.2024.3419649},
  url = {https://doi.org/10.1109/lra.2024.3419649},
  note = {Metadata verification: Crossref title}
}

Han Zhao, David Kamensky, John T. Hwang, Jiun-Shyan Chen. Automated shape and thickness optimization for non-matching isogeometric shells using free-form deformation. Engineering with Computers, 2024.

DOI PDF

@article{zhao2024automated,
  author = {Han Zhao and David Kamensky and John T. Hwang and Jiun-Shyan Chen},
  title = {Automated shape and thickness optimization for non-matching isogeometric shells using free-form deformation},
  journal = {Engineering with Computers},
  year = {2024},
  volume = {40},
  number = {6},
  pages = {3495-3518},
  doi = {10.1007/s00366-024-01947-7},
  url = {https://doi.org/10.1007/s00366-024-01947-7},
  note = {Metadata verification: Crossref DOI}
}

Han Zhao, John T. Hwang, Jiun-Shyan Chen. Shape optimization of non-matching isogeometric shells with moving intersections. Computer Methods in Applied Mechanics and Engineering, 2024.

DOI PDF

@article{zhao2024shape,
  author = {Han Zhao and John T. Hwang and Jiun-Shyan Chen},
  title = {Shape optimization of non-matching isogeometric shells with moving intersections},
  journal = {Computer Methods in Applied Mechanics and Engineering},
  year = {2024},
  volume = {431},
  pages = {117322},
  doi = {10.1016/j.cma.2024.117322},
  url = {https://doi.org/10.1016/j.cma.2024.117322},
  note = {Metadata verification: Crossref DOI}
}

Ryan M. Anderson, Andrew Ning, Ru Xiang, Sebastiaan P. C. van Schie, Mark Sperry, Darshan Sarojini, David Kamensky, John T. Hwang. Aerostructural Predictions Combining FEniCS and a Viscous Vortex Particle Method FLOWVPM. AIAA SciTech 2023 Forum, 2023.

PDF

@inproceedings{anderson2023aerostructural,
  author = {Ryan M. Anderson and Andrew Ning and Ru Xiang and Sebastiaan P. C. van Schie and Mark Sperry and Darshan Sarojini and David Kamensky and John T. Hwang},
  title = {Aerostructural Predictions Combining FEniCS and a Viscous Vortex Particle Method FLOWVPM},
  booktitle = {AIAA SciTech 2023 Forum},
  year = {2023},
  note = {Metadata verification: Crossref unavailable: HTTPError}
}

Zeyu Cheng, Shuofeng Zhao, Luca Scotzniovsky, Gabriel Rodriguez, Chris Mi, John T. Hwang. A Differentiable Method for Low-Fidelity Analysis of Permanent-Magnet Synchronous Motors. AIAA SciTech 2023 Forum, 2023.

PDF

@inproceedings{cheng2023differentiable,
  author = {Zeyu Cheng and Shuofeng Zhao and Luca Scotzniovsky and Gabriel Rodriguez and Chris Mi and John T. Hwang},
  title = {A Differentiable Method for Low-Fidelity Analysis of Permanent-Magnet Synchronous Motors},
  booktitle = {AIAA SciTech 2023 Forum},
  year = {2023},
  note = {Metadata verification: Crossref unavailable: HTTPError}
}

Zeyu Cheng, Zhi Cao, John T. Hwang, Chris Mi. A Novel Single-Turn Permanent Magnet Synchronous Machine for Electric Aircraft. Energies, 2023.

DOI PDF

@article{cheng2023novel,
  author = {Zeyu Cheng and Zhi Cao and John T. Hwang and Chris Mi},
  title = {A Novel Single-Turn Permanent Magnet Synchronous Machine for Electric Aircraft},
  journal = {Energies},
  year = {2023},
  volume = {16},
  number = {3},
  pages = {1041},
  doi = {10.3390/en16031041},
  url = {https://doi.org/10.3390/en16031041},
  note = {Metadata verification: Crossref DOI}
}

Victor Gandarillas, Anugrah Jo Joshy, Mark Z. Sperry, Alexander K. Ivanov, John T. Hwang. A Graph-Based Methodology for Constructing Computational Models that Automates Adjoint-Based Sensitivity Analysis. Structural and Multidisciplinary Optimization 67.5 (2024), p. 76, 2023.

PDF

@article{gandarillas2023graph,
  author = {Victor Gandarillas and Anugrah Jo Joshy and Mark Z. Sperry and Alexander K. Ivanov and John T. Hwang},
  title = {A Graph-Based Methodology for Constructing Computational Models that Automates Adjoint-Based Sensitivity Analysis},
  journal = {Structural and Multidisciplinary Optimization 67.5 (2024), p. 76},
  year = {2023},
  note = {Metadata verification: Crossref unavailable: HTTPError}
}

Victor E. Gandarillas, John T. Hwang. Large-Scale Multidisciplinary Design Optimization of a Virtual-Telescope CubeSat Swarm. AIAA Aviation 2023 Forum, 2023.

PDF

@inproceedings{gandarillas2023large,
  author = {Victor E. Gandarillas and John T. Hwang},
  title = {Large-Scale Multidisciplinary Design Optimization of a Virtual-Telescope CubeSat Swarm},
  booktitle = {AIAA Aviation 2023 Forum},
  year = {2023},
  note = {Metadata verification: Crossref unavailable: HTTPError}
}

Hyunjune Gill, Seongkyu Lee, Marius L. Ruh, John T. Hwang. Applicability of Low-Fidelity Tonal and Broadband Noise Models on Small-Scale Rotors. AIAA SciTech 2023 Forum, 2023.

PDF

@inproceedings{gill2023applicability,
  author = {Hyunjune Gill and Seongkyu Lee and Marius L. Ruh and John T. Hwang},
  title = {Applicability of Low-Fidelity Tonal and Broadband Noise Models on Small-Scale Rotors},
  booktitle = {AIAA SciTech 2023 Forum},
  year = {2023},
  note = {Metadata verification: Crossref unavailable: HTTPError}
}

Zeyu Huang, Darshan Sarojini, John T. Hwang. Efficient Gradient-Based Optimization of Differential-Algebraic Equation Systems. AIAA SCITECH 2023 Forum, 2023.

DOI PDF

@inproceedings{huang2023efficient,
  author = {Zeyu Huang and Darshan Sarojini and John T. Hwang},
  title = {Efficient Gradient-Based Optimization of Differential-Algebraic Equation Systems},
  booktitle = {AIAA SCITECH 2023 Forum},
  year = {2023},
  doi = {10.2514/6.2023-0532},
  url = {https://doi.org/10.2514/6.2023-0532},
  note = {Metadata verification: Crossref DOI}
}

Anugrah Jo Joshy, Ryan Dunn, Mark Sperry, Victor E. Gandarillas, John T. Hwang. An SQP algorithm based on a hybrid architecture for accelerating optimization of large-scale systems. AIAA AVIATION 2023 Forum, 2023.

DOI PDF

@inproceedings{joshy2023sqp,
  author = {Anugrah Jo Joshy and Ryan Dunn and Mark Sperry and Victor E. Gandarillas and John T. Hwang},
  title = {An SQP algorithm based on a hybrid architecture for accelerating optimization of large-scale systems},
  booktitle = {AIAA AVIATION 2023 Forum},
  year = {2023},
  doi = {10.2514/6.2023-4263},
  url = {https://doi.org/10.2514/6.2023-4263},
  note = {Metadata verification: Crossref title}
}

Thomas Nascenzi, Timothy Cuatt, Tyler F. Winter, Marius L. Ruh, Darshan Sarojini, John T. Hwang, Sarina Kiani. Physics-based Surrogate Models for Urban Air Mobility Vehicle Weight Prediction. AIAA SCITECH 2023 Forum, 2023.

DOI PDF

@inproceedings{nascenzi2023physics,
  author = {Thomas Nascenzi and Timothy Cuatt and Tyler F. Winter and Marius L. Ruh and Darshan Sarojini and John T. Hwang and Sarina Kiani},
  title = {Physics-based Surrogate Models for Urban Air Mobility Vehicle Weight Prediction},
  booktitle = {AIAA SCITECH 2023 Forum},
  year = {2023},
  doi = {10.2514/6.2023-1360},
  url = {https://doi.org/10.2514/6.2023-1360},
  note = {Metadata verification: Crossref title}
}

Nicholas C. Orndorff, Darshan Sarojini, Luca Scotzniovsky, Hyunjune Gill, Seongkyu Lee, Zeyu Cheng, Shuofeng Zhao, Chris Mi, John T. Hwang. Air-taxi transition trajectory optimization with physics-based models. AIAA SCITECH 2023 Forum, 2023.

DOI PDF

@inproceedings{orndorff2023air,
  author = {Nicholas C. Orndorff and Darshan Sarojini and Luca Scotzniovsky and Hyunjune Gill and Seongkyu Lee and Zeyu Cheng and Shuofeng Zhao and Chris Mi and John T. Hwang},
  title = {Air-taxi transition trajectory optimization with physics-based models},
  booktitle = {AIAA SCITECH 2023 Forum},
  year = {2023},
  doi = {10.2514/6.2023-0324},
  url = {https://doi.org/10.2514/6.2023-0324},
  note = {Metadata verification: Crossref title}
}

Nicholas C. Orndorff, Bingran Wang, Marius L. Ruh, Andrew H. Fletcher, John T. Hwang. Gradient-Based Sizing Optimization of Power-Beaming-Enabled Aircraft. AIAA AVIATION 2023 Forum, p. 4019, 2023.

DOI PDF

@inproceedings{orndorff2023gradient,
  author = {Nicholas C. Orndorff and Bingran Wang and Marius L. Ruh and Andrew H. Fletcher and John T. Hwang},
  title = {Gradient-Based Sizing Optimization of Power-Beaming-Enabled Aircraft},
  booktitle = {AIAA AVIATION 2023 Forum},
  pages = {4019},
  year = {2023},
  doi = {10.2514/6.2023-4019},
  url = {https://doi.org/10.2514/6.2023-4019}
}

Marius L. Ruh, Xiangbei Liu, Rose Yu, John T. Hwang. Airfoil shape parameterization using reconstruction-error-minimizing generative adversarial networks. AIAA AVIATION 2023 Forum, 2023.

DOI PDF

@inproceedings{ruh2023airfoil,
  author = {Marius L. Ruh and Xiangbei Liu and Rose Yu and John T. Hwang},
  title = {Airfoil shape parameterization using reconstruction-error-minimizing generative adversarial networks},
  booktitle = {AIAA AVIATION 2023 Forum},
  year = {2023},
  doi = {10.2514/6.2023-3722},
  url = {https://doi.org/10.2514/6.2023-3722},
  note = {Metadata verification: Crossref title}
}

Marius L. Ruh, John T. Hwang. Fast and Robust Computation of Optimal Rotor Designs Using Blade Element Momentum Theory. AIAA Journal, 2023.

DOI PDF

@article{ruh2023fast,
  author = {Marius L. Ruh and John T. Hwang},
  title = {Fast and Robust Computation of Optimal Rotor Designs Using Blade Element Momentum Theory},
  journal = {AIAA Journal},
  year = {2023},
  volume = {61},
  number = {9},
  pages = {4096-4111},
  doi = {10.2514/1.j062611},
  url = {https://doi.org/10.2514/1.j062611},
  note = {Metadata verification: Crossref DOI}
}

Marius L. Ruh, Darshan Sarojini, Andrew H. Fletcher, Isaac Asher, John T. Hwang. Large-Scale Multidisciplinary Design Optimization of the NASA Lift-Plus-Cruise Concept Using a Novel Aircraft Design Framework. VFS Autonomous VTOL Technical Meeting, Mesa AZ, Jan 24–26 2023; preprint arXiv:2304.14889, 2023.

PDF

@inproceedings{ruh2023large,
  author = {Marius L. Ruh and Darshan Sarojini and Andrew H. Fletcher and Isaac Asher and John T. Hwang},
  title = {Large-Scale Multidisciplinary Design Optimization of the NASA Lift-Plus-Cruise Concept Using a Novel Aircraft Design Framework},
  booktitle = {VFS Autonomous VTOL Technical Meeting, Mesa AZ, Jan 24–26 2023; preprint arXiv:2304.14889},
  year = {2023},
  eprint = {2304.14889},
  archiveprefix = {arXiv},
  note = {Metadata verification: no high-confidence Crossref title match; numeric collision guard applied}
}

Shaadi Sabeti, Thomas Nascenzi, Timothy Cuatt, Tyler F. Winter, Marius L. Ruh, Darshan Sarojini, John T. Hwang. Generating Structural Weight Estimation Equations for a Category of UAM Aircraft. AIAA AVIATION 2023 Forum, 2023.

DOI PDF

@inproceedings{sabeti2023generating,
  author = {Shaadi Sabeti and Thomas Nascenzi and Timothy Cuatt and Tyler F. Winter and Marius L. Ruh and Darshan Sarojini and John T. Hwang},
  title = {Generating Structural Weight Estimation Equations for a Category of UAM Aircraft},
  booktitle = {AIAA AVIATION 2023 Forum},
  year = {2023},
  doi = {10.2514/6.2023-4280},
  url = {https://doi.org/10.2514/6.2023-4280},
  note = {Metadata verification: Crossref title}
}

Darshan Sarojini, Marius L. Ruh, Mark Sperry, Jiayao Yan, Andrew Fletcher, Anugrah Jo Joshy, Luca Scotzniovsky, Alexander Ivanov, Nicholas Orndorff, Victor Gandarillas, Isaac Asher, Jeff Chambers, Hyunjune Gill, Seongkyu Lee, Zeyu Cheng, Gabriel Rodriguez, Shuofeng Zhao, Chunting Mi, Thomas Nascenzi, Timothy Cuatt, Tyler Winter, Alexandre Guibert, Ashley Cronk, Alicia Kim, Shirley Meng, John T. Hwang. Large-Scale Multidisciplinary Design Optimization of an eVTOL Aircraft Using Comprehensive Analysis. AIAA SciTech 2023 Forum, 2023.

PDF

@inproceedings{sarojini2023large,
  author = {Darshan Sarojini and Marius L. Ruh and Mark Sperry and Jiayao Yan and Andrew Fletcher and Anugrah Jo Joshy and Luca Scotzniovsky and Alexander Ivanov and Nicholas Orndorff and Victor Gandarillas and Isaac Asher and Jeff Chambers and Hyunjune Gill and Seongkyu Lee and Zeyu Cheng and Gabriel Rodriguez and Shuofeng Zhao and Chunting Mi and Thomas Nascenzi and Timothy Cuatt and Tyler Winter and Alexandre Guibert and Ashley Cronk and Alicia Kim and Shirley Meng and John T. Hwang},
  title = {Large-Scale Multidisciplinary Design Optimization of an eVTOL Aircraft Using Comprehensive Analysis},
  booktitle = {AIAA SciTech 2023 Forum},
  year = {2023},
  note = {Metadata verification: Crossref unavailable: HTTPError; numeric collision guard applied}
}

Mark Sperry, Kavish Kondap, John T. Hwang. Automatic adjoint sensitivity analysis of models for large-scale multidisciplinary design optimization. AIAA AVIATION 2023 Forum, 2023.

DOI PDF

@inproceedings{sperry2023automatic,
  author = {Mark Sperry and Kavish Kondap and John T. Hwang},
  title = {Automatic adjoint sensitivity analysis of models for large-scale multidisciplinary design optimization},
  booktitle = {AIAA AVIATION 2023 Forum},
  year = {2023},
  doi = {10.2514/6.2023-3721},
  url = {https://doi.org/10.2514/6.2023-3721},
  note = {Metadata verification: Crossref title}
}

Rajashekar Swaminathan, Darshan Sarojini, John T. Hwang. Integrating MBSE and MDO through an Extended Requirements-Functional-Logical-Physical (RFLP) Framework. AIAA AVIATION 2023 Forum, 2023.

DOI PDF

@inproceedings{swaminathan2023integrating,
  author = {Rajashekar Swaminathan and Darshan Sarojini and John T. Hwang},
  title = {Integrating MBSE and MDO through an Extended Requirements-Functional-Logical-Physical (RFLP) Framework},
  booktitle = {AIAA AVIATION 2023 Forum},
  year = {2023},
  doi = {10.2514/6.2023-3908},
  url = {https://doi.org/10.2514/6.2023-3908},
  note = {Metadata verification: Crossref DOI}
}

Sebastiaan P. van Schie, John T. Hwang. Model Reduction of Isogeometric Shell Structures For Large-Scale Design Optimization. AIAA AVIATION 2023 Forum, 2023.

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@inproceedings{vanschie2023model,
  author = {Sebastiaan P. van Schie and John T. Hwang},
  title = {Model Reduction of Isogeometric Shell Structures For Large-Scale Design Optimization},
  booktitle = {AIAA AVIATION 2023 Forum},
  year = {2023},
  doi = {10.2514/6.2023-3720},
  url = {https://doi.org/10.2514/6.2023-3720},
  note = {Metadata verification: Crossref title}
}

Sebastiaan P. van Schie, Han Zhao, Jiayao Yan, Ru Xiang, John T. Hwang, David Kamensky. Solver-Independent Aeroelastic Coupling For Large-Scale Multidisciplinary Design Optimization. AIAA SCITECH 2023 Forum, 2023.

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@inproceedings{vanschie2023solver,
  author = {Sebastiaan P. van Schie and Han Zhao and Jiayao Yan and Ru Xiang and John T. Hwang and David Kamensky},
  title = {Solver-Independent Aeroelastic Coupling For Large-Scale Multidisciplinary Design Optimization},
  booktitle = {AIAA SCITECH 2023 Forum},
  year = {2023},
  doi = {10.2514/6.2023-0727},
  url = {https://doi.org/10.2514/6.2023-0727},
  note = {Metadata verification: Crossref title}
}

Bingran Wang, Nicholas C. Orndorff, Mark Sperry, John T. Hwang. High-Dimensional Uncertainty Quantification Using Graph-Accelerated Non-Intrusive Polynomial Chaos and Active Subspace Methods. AIAA Aviation 2023 Forum, 2023.

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@inproceedings{wang2023high,
  author = {Bingran Wang and Nicholas C. Orndorff and Mark Sperry and John T. Hwang},
  title = {High-Dimensional Uncertainty Quantification Using Graph-Accelerated Non-Intrusive Polynomial Chaos and Active Subspace Methods},
  booktitle = {AIAA Aviation 2023 Forum},
  year = {2023},
  note = {Metadata verification: Crossref unavailable: HTTPError}
}

Bingran Wang, Nicholas C. Orndorff, John T. Hwang. Optimally tensor-structured quadrature rule for uncertainty quantification. AIAA SCITECH 2023 Forum, 2023.

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@inproceedings{wang2023optimally,
  author = {Bingran Wang and Nicholas C. Orndorff and John T. Hwang},
  title = {Optimally tensor-structured quadrature rule for uncertainty quantification},
  booktitle = {AIAA SCITECH 2023 Forum},
  year = {2023},
  doi = {10.2514/6.2023-0741},
  url = {https://doi.org/10.2514/6.2023-0741},
  note = {Metadata verification: Crossref title}
}

Pengcheng Cao, John T. Hwang, Thomas R. Bewley, Falko Kuester. Mission-Oriented Trajectory Optimization for Search-and-Rescue Multirotor UAVs in Cluttered and GPS-Denied Environments. AIAA Aviation 2022 Forum, 2022.

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@inproceedings{cao2022mission,
  author = {Pengcheng Cao and John T. Hwang and Thomas R. Bewley and Falko Kuester},
  title = {Mission-Oriented Trajectory Optimization for Search-and-Rescue Multirotor UAVs in Cluttered and GPS-Denied Environments},
  booktitle = {AIAA Aviation 2022 Forum},
  year = {2022},
  note = {Metadata verification: Crossref unavailable: HTTPError}
}

Anugrah Jo Joshy, Jiayao Yan, John T. Hwang. A hybrid architecture for large-scale system design optimization of PDE-based models. AIAA SCITECH 2022 Forum, 2022.

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@inproceedings{joshy2022hybrid,
  author = {Anugrah Jo Joshy and Jiayao Yan and John T. Hwang},
  title = {A hybrid architecture for large-scale system design optimization of PDE-based models},
  booktitle = {AIAA SCITECH 2022 Forum},
  year = {2022},
  doi = {10.2514/6.2022-1614},
  url = {https://doi.org/10.2514/6.2022-1614},
  note = {Metadata verification: Crossref title}
}

Jui-Te Lin, Cedric Girerd, Jiayao Yan, John T. Hwang, Tania K. Morimoto. A Generalized Framework for Concentric Tube Robot Design Using Gradient-Based Optimization. IEEE Transactions on Robotics, 2022.

DOI PDF

@article{lin2022generalized,
  author = {Jui-Te Lin and Cedric Girerd and Jiayao Yan and John T. Hwang and Tania K. Morimoto},
  title = {A Generalized Framework for Concentric Tube Robot Design Using Gradient-Based Optimization},
  journal = {IEEE Transactions on Robotics},
  year = {2022},
  volume = {38},
  number = {6},
  pages = {3774-3791},
  doi = {10.1109/tro.2022.3180627},
  url = {https://doi.org/10.1109/tro.2022.3180627},
  note = {Metadata verification: Crossref DOI}
}

Nicholas C. Orndorff, John T. Hwang. Investigation of Optimal Air-Taxi Transition Profiles using Direct-Transcription Trajectory Optimization. AIAA AVIATION 2022 Forum, 2022.

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@inproceedings{orndorff2022investigation,
  author = {Nicholas C. Orndorff and John T. Hwang},
  title = {Investigation of Optimal Air-Taxi Transition Profiles using Direct-Transcription Trajectory Optimization},
  booktitle = {AIAA AVIATION 2022 Forum},
  year = {2022},
  doi = {10.2514/6.2022-3485},
  url = {https://doi.org/10.2514/6.2022-3485},
  note = {Metadata verification: Crossref title}
}

Sergio A. Sandoval, Ping Lu, John T. Hwang, Jeremy R. Rea, Ronald R. Sostaric. Multiple Optima in Abort Ascent during Lunar Powered Descent. AIAA SCITECH 2022 Forum, 2022.

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@inproceedings{sandoval2022multiple,
  author = {Sergio A. Sandoval and Ping Lu and John T. Hwang and Jeremy R. Rea and Ronald R. Sostaric},
  title = {Multiple Optima in Abort Ascent during Lunar Powered Descent},
  booktitle = {AIAA SCITECH 2022 Forum},
  year = {2022},
  doi = {10.2514/6.2022-0949},
  url = {https://doi.org/10.2514/6.2022-0949},
  note = {Metadata verification: Crossref title}
}

Bingran Wang, Mark Sperry, Victor E. Gandarillas, John T. Hwang. Efficient Uncertainty Propagation Through Computational Graph Modification and Automatic Code Generation. AIAA Aviation 2022 Forum, 2022.

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@inproceedings{wang2022efficient,
  author = {Bingran Wang and Mark Sperry and Victor E. Gandarillas and John T. Hwang},
  title = {Efficient Uncertainty Propagation Through Computational Graph Modification and Automatic Code Generation},
  booktitle = {AIAA Aviation 2022 Forum},
  year = {2022},
  note = {Metadata verification: source PDF/CV; no DOI recovered}
}

Bingran Wang, Anugrah Jo Joshy, John T. Hwang. Equality-Constrained Engineering Design Optimization Using a Novel Inexact Quasi-Newton Method. AIAA Journal, 2022.

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@article{wang2022equality,
  author = {Bingran Wang and Anugrah Jo Joshy and John T. Hwang},
  title = {Equality-Constrained Engineering Design Optimization Using a Novel Inexact Quasi-Newton Method},
  journal = {AIAA Journal},
  year = {2022},
  volume = {60},
  number = {11},
  pages = {6157-6167},
  doi = {10.2514/1.j061695},
  url = {https://doi.org/10.2514/1.j061695},
  note = {Metadata verification: Crossref DOI}
}

Jiayao Yan, John T. Hwang. A frequency-domain-inspired reformulation of the unsteady vortex lattice method. AIAA AVIATION 2022 Forum, 2022.

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@inproceedings{yan2022frequency,
  author = {Jiayao Yan and John T. Hwang},
  title = {A frequency-domain-inspired reformulation of the unsteady vortex lattice method},
  booktitle = {AIAA AVIATION 2022 Forum},
  year = {2022},
  doi = {10.2514/6.2022-3788},
  url = {https://doi.org/10.2514/6.2022-3788},
  note = {Metadata verification: Crossref DOI}
}

Jiayao Yan, Ru Xiang, David Kamensky, Michael T. Tolley, John T. Hwang. Topology optimization with automated derivative computation for multidisciplinary design problems. Structural and Multidisciplinary Optimization, 2022.

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@article{yan2022topology,
  author = {Jiayao Yan and Ru Xiang and David Kamensky and Michael T. Tolley and John T. Hwang},
  title = {Topology optimization with automated derivative computation for multidisciplinary design problems},
  journal = {Structural and Multidisciplinary Optimization},
  year = {2022},
  volume = {65},
  number = {5},
  pages = {1--20},
  doi = {10.1007/s00158-022-03168-2},
  url = {https://doi.org/10.1007/s00158-022-03168-2},
  note = {Metadata verification: Crossref DOI}
}

Han Zhao, Xiangbei Liu, Andrew H. Fletcher, Ru Xiang, John T. Hwang, David Kamensky. An open-source framework for coupling non-matching isogeometric shells with application to aerospace structures. Computers & Mathematics with Applications, 2022.

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@article{zhao2022open,
  author = {Han Zhao and Xiangbei Liu and Andrew H. Fletcher and Ru Xiang and John T. Hwang and David Kamensky},
  title = {An open-source framework for coupling non-matching isogeometric shells with application to aerospace structures},
  journal = {Computers &amp; Mathematics with Applications},
  year = {2022},
  volume = {111},
  pages = {109-123},
  doi = {10.1016/j.camwa.2022.02.007},
  url = {https://doi.org/10.1016/j.camwa.2022.02.007},
  note = {Metadata verification: Crossref DOI}
}

Thomas Backhaus, Sebastian Gottfried, Andrei Merle, John T. Hwang, Arthur Stueck. Modularization of High-Fidelity Static Aeroelastic MDO Enabling a Framework-based Optimization Approach for HPC. AIAA Scitech 2021 Forum, 2021.

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@inproceedings{backhaus2021modularization,
  author = {Thomas Backhaus and Sebastian Gottfried and Andrei Merle and John T. Hwang and Arthur Stueck},
  title = {Modularization of High-Fidelity Static Aeroelastic MDO Enabling a Framework-based Optimization Approach for HPC},
  booktitle = {AIAA Scitech 2021 Forum},
  year = {2021},
  doi = {10.2514/6.2021-1236},
  url = {https://doi.org/10.2514/6.2021-1236},
  note = {Metadata verification: Crossref title}
}

Anugrah Jo Joshy, John T. Hwang. Unifying Monolithic Architectures for Large-Scale System Design Optimization. AIAA Journal, 2021.

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@article{joshy2021unifying,
  author = {Anugrah Jo Joshy and John T. Hwang},
  title = {Unifying Monolithic Architectures for Large-Scale System Design Optimization},
  journal = {AIAA Journal},
  year = {2021},
  volume = {59},
  number = {6},
  pages = {1953-1963},
  doi = {10.2514/1.j059954},
  url = {https://doi.org/10.2514/1.j059954},
  note = {Metadata verification: Crossref DOI}
}

Marius L. Ruh, John T. Hwang. Robust modeling and optimal design of rotors using blade element momentum theory. AIAA AVIATION 2021 FORUM, 2021.

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@inproceedings{ruh2021robust,
  author = {Marius L. Ruh and John T. Hwang},
  title = {Robust modeling and optimal design of rotors using blade element momentum theory},
  booktitle = {AIAA AVIATION 2021 FORUM},
  year = {2021},
  doi = {10.2514/6.2021-2598},
  url = {https://doi.org/10.2514/6.2021-2598},
  note = {Metadata verification: Crossref title}
}

Bingran Wang, Anugrah Jo Joshy, John T. Hwang. An Adaptive, Inexact Gradient-based Algorithm for Multidisciplinary Design Optimization. AIAA AVIATION 2021 FORUM, 2021.

DOI PDF

@inproceedings{wang2021adaptive,
  author = {Bingran Wang and Anugrah Jo Joshy and John T. Hwang},
  title = {An Adaptive, Inexact Gradient-based Algorithm for Multidisciplinary Design Optimization},
  booktitle = {AIAA AVIATION 2021 FORUM},
  year = {2021},
  doi = {10.2514/6.2021-3041},
  url = {https://doi.org/10.2514/6.2021-3041},
  note = {Metadata verification: Crossref title}
}

Jiayao Yan, Mark Sperry, David Kamensky, John T. Hwang. Dynamic topology optimization of battery packs for eVTOL aircraft under time-dependent loading. AIAA AVIATION 2021 FORUM, 2021.

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@inproceedings{yan2021dynamic,
  author = {Jiayao Yan and Mark Sperry and David Kamensky and John T. Hwang},
  title = {Dynamic topology optimization of battery packs for eVTOL aircraft under time-dependent loading},
  booktitle = {AIAA AVIATION 2021 FORUM},
  year = {2021},
  doi = {10.2514/6.2021-3068},
  url = {https://doi.org/10.2514/6.2021-3068},
  note = {Metadata verification: Crossref title}
}

Tae H. Ha, Keunseok Lee, John T. Hwang. Large-scale multidisciplinary optimization under uncertainty for electric vertical takeoff and landing aircraft. AIAA Scitech 2020 Forum, 2020.

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@inproceedings{ha2020large,
  author = {Tae H. Ha and Keunseok Lee and John T. Hwang},
  title = {Large-scale multidisciplinary optimization under uncertainty for electric vertical takeoff and landing aircraft},
  booktitle = {AIAA Scitech 2020 Forum},
  year = {2020},
  doi = {10.2514/6.2020-0904},
  url = {https://doi.org/10.2514/6.2020-0904},
  note = {Metadata verification: Crossref title}
}

Anugrah Jo Joshy, John T. Hwang. A new architecture for large-scale system design optimization. AIAA AVIATION 2020 FORUM, 2020.

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@inproceedings{joshy2020new,
  author = {Anugrah Jo Joshy and John T. Hwang},
  title = {A new architecture for large-scale system design optimization},
  booktitle = {AIAA AVIATION 2020 FORUM},
  year = {2020},
  doi = {10.2514/6.2020-3125},
  url = {https://doi.org/10.2514/6.2020-3125},
  note = {Metadata verification: Crossref DOI}
}

Ning Li, John T. Hwang. Automatic generation of global shell-element meshes for large-scale structural design optimization. AIAA AVIATION 2020 FORUM, 2020.

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@inproceedings{li2020automatic,
  author = {Ning Li and John T. Hwang},
  title = {Automatic generation of global shell-element meshes for large-scale structural design optimization},
  booktitle = {AIAA AVIATION 2020 FORUM},
  year = {2020},
  doi = {10.2514/6.2020-3135},
  url = {https://doi.org/10.2514/6.2020-3135},
  note = {Metadata verification: Crossref title}
}

Alessandro Sgueglia, Peter Schmollgruber, Nathalie Bartoli, Emmanuel Benard, Joseph Morlier, John Jasa, Joaquim R. R. A. Martins, John T. Hwang, Justin S. Gray. Multidisciplinary Design Optimization Framework with Coupled Derivative Computation for Hybrid Aircraft. Journal of Aircraft, 2020.

DOI PDF

@article{sgueglia2020multidisciplinary,
  author = {Alessandro Sgueglia and Peter Schmollgruber and Nathalie Bartoli and Emmanuel Benard and Joseph Morlier and John Jasa and Joaquim R. R. A. Martins and John T. Hwang and Justin S. Gray},
  title = {Multidisciplinary Design Optimization Framework with Coupled Derivative Computation for Hybrid Aircraft},
  journal = {Journal of Aircraft},
  year = {2020},
  volume = {57},
  number = {4},
  pages = {715-729},
  doi = {10.2514/1.c035509},
  url = {https://doi.org/10.2514/1.c035509},
  note = {Metadata verification: Crossref DOI}
}

Mohamed Amine Bouhlel, John T. Hwang, Nathalie Bartoli, Rémi Lafage, Joseph Morlier, Joaquim R.R.A. Martins. A Python surrogate modeling framework with derivatives. Advances in Engineering Software, 2019.

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@article{bouhlel2019python,
  author = {Mohamed Amine Bouhlel and John T. Hwang and Nathalie Bartoli and Rémi Lafage and Joseph Morlier and Joaquim R.R.A. Martins},
  title = {A Python surrogate modeling framework with derivatives},
  journal = {Advances in Engineering Software},
  year = {2019},
  volume = {135},
  pages = {102662},
  doi = {10.1016/j.advengsoft.2019.03.005},
  url = {https://doi.org/10.1016/j.advengsoft.2019.03.005},
  note = {Metadata verification: Crossref DOI}
}

Hayoung Chung, John T. Hwang, Justin S. Gray, H. Alicia Kim. Topology optimization in OpenMDAO. Structural and Multidisciplinary Optimization, 2019.

DOI PDF

@article{chung2019topology,
  author = {Hayoung Chung and John T. Hwang and Justin S. Gray and H. Alicia Kim},
  title = {Topology optimization in OpenMDAO},
  journal = {Structural and Multidisciplinary Optimization},
  year = {2019},
  volume = {59},
  number = {4},
  pages = {1385-1400},
  doi = {10.1007/s00158-019-02209-7},
  url = {https://doi.org/10.1007/s00158-019-02209-7},
  note = {Metadata verification: Crossref DOI}
}

Justin S. Gray, John T. Hwang, Joaquim R. R. A. Martins, Kenneth T. Moore, Bret A. Naylor. OpenMDAO: an open-source framework for multidisciplinary design, analysis, and optimization. Structural and Multidisciplinary Optimization, 2019.

DOI PDF

@article{gray2019openmdao,
  author = {Justin S. Gray and John T. Hwang and Joaquim R. R. A. Martins and Kenneth T. Moore and Bret A. Naylor},
  title = {OpenMDAO: an open-source framework for multidisciplinary design, analysis, and optimization},
  journal = {Structural and Multidisciplinary Optimization},
  year = {2019},
  volume = {59},
  number = {4},
  pages = {1075-1104},
  doi = {10.1007/s00158-019-02211-z},
  url = {https://doi.org/10.1007/s00158-019-02211-z},
  note = {Metadata verification: Crossref DOI}
}

John T. Hwang, John P. Jasa, Joaquim R. R. A. Martins. High-Fidelity Design-Allocation Optimization of a Commercial Aircraft Maximizing Airline Profit. Journal of Aircraft, 2019.

DOI PDF

@article{hwang2019high,
  author = {John T. Hwang and John P. Jasa and Joaquim R. R. A. Martins},
  title = {High-Fidelity Design-Allocation Optimization of a Commercial Aircraft Maximizing Airline Profit},
  journal = {Journal of Aircraft},
  year = {2019},
  volume = {56},
  number = {3},
  pages = {1164-1178},
  doi = {10.2514/1.c035082},
  url = {https://doi.org/10.2514/1.c035082},
  note = {Metadata verification: Crossref DOI}
}

Shamsheer S. Chauhan, John T. Hwang, Joaquim R. R. A. Martins. An automated selection algorithm for nonlinear solvers in MDO. Structural and Multidisciplinary Optimization, 2018.

DOI PDF

@article{chauhan2018automated,
  author = {Shamsheer S. Chauhan and John T. Hwang and Joaquim R. R. A. Martins},
  title = {An automated selection algorithm for nonlinear solvers in MDO},
  journal = {Structural and Multidisciplinary Optimization},
  year = {2018},
  volume = {58},
  number = {2},
  pages = {349-377},
  doi = {10.1007/s00158-018-2004-5},
  url = {https://doi.org/10.1007/s00158-018-2004-5},
  note = {Metadata verification: Crossref DOI}
}

Hayoung Chung, John T. Hwang, Justin S. Gray, Hyunsun A. Kim. Implementation of topology optimization using openMDAO. 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2018.

DOI PDF

@inproceedings{chung2018implementation,
  author = {Hayoung Chung and John T. Hwang and Justin S. Gray and Hyunsun A. Kim},
  title = {Implementation of topology optimization using openMDAO},
  booktitle = {2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference},
  year = {2018},
  doi = {10.2514/6.2018-0653},
  url = {https://doi.org/10.2514/6.2018-0653},
  note = {Metadata verification: Crossref DOI}
}

John T. Hwang, Joaquim R.R.A. Martins. A Computational Architecture for Coupling Heterogeneous Numerical Models and Computing Coupled Derivatives. ACM Transactions on Mathematical Software, 2018.

DOI PDF

@article{hwang2018computational,
  author = {John T. Hwang and Joaquim R.R.A. Martins},
  title = {A Computational Architecture for Coupling Heterogeneous Numerical Models and Computing Coupled Derivatives},
  journal = {ACM Transactions on Mathematical Software},
  year = {2018},
  volume = {44},
  number = {4},
  pages = {1-39},
  doi = {10.1145/3182393},
  url = {https://doi.org/10.1145/3182393},
  note = {Metadata verification: Crossref DOI}
}

John T. Hwang, Joaquim R.R.A. Martins. A fast-prediction surrogate model for large datasets. Aerospace Science and Technology, 2018.

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@article{hwang2018fast,
  author = {John T. Hwang and Joaquim R.R.A. Martins},
  title = {A fast-prediction surrogate model for large datasets},
  journal = {Aerospace Science and Technology},
  year = {2018},
  volume = {75},
  pages = {74-87},
  doi = {10.1016/j.ast.2017.12.030},
  url = {https://doi.org/10.1016/j.ast.2017.12.030},
  note = {Metadata verification: Crossref DOI}
}

John T. Hwang, Andrew Ning. Large-scale multidisciplinary optimization of an electric aircraft for on-demand mobility. 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2018.

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@inproceedings{hwang2018large,
  author = {John T. Hwang and Andrew Ning},
  title = {Large-scale multidisciplinary optimization of an electric aircraft for on-demand mobility},
  booktitle = {2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference},
  year = {2018},
  doi = {10.2514/6.2018-1384},
  url = {https://doi.org/10.2514/6.2018-1384},
  note = {Metadata verification: Crossref DOI}
}

John P. Jasa, John T. Hwang, Joaquim R. R. A. Martins. Design and Trajectory Optimization of a Morphing Wing Aircraft. 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2018.

DOI PDF

@inproceedings{jasa2018design,
  author = {John P. Jasa and John T. Hwang and Joaquim R. R. A. Martins},
  title = {Design and Trajectory Optimization of a Morphing Wing Aircraft},
  booktitle = {2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference},
  year = {2018},
  doi = {10.2514/6.2018-1382},
  url = {https://doi.org/10.2514/6.2018-1382},
  note = {Metadata verification: Crossref DOI}
}

John P. Jasa, John T. Hwang, Joaquim R. R. A. Martins. Open-source coupled aerostructural optimization using Python. Structural and Multidisciplinary Optimization, 2018.

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@article{jasa2018open,
  author = {John P. Jasa and John T. Hwang and Joaquim R. R. A. Martins},
  title = {Open-source coupled aerostructural optimization using Python},
  journal = {Structural and Multidisciplinary Optimization},
  year = {2018},
  volume = {57},
  number = {4},
  pages = {1815-1827},
  doi = {10.1007/s00158-018-1912-8},
  url = {https://doi.org/10.1007/s00158-018-1912-8},
  note = {Metadata verification: Crossref DOI}
}

John T. Hwang, Drayton Munster. Solution of ordinary differential equations in gradient-based multidisciplinary design optimization. 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2018.

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@inproceedings{munster2018solution,
  author = {John T. Hwang and Drayton Munster},
  title = {Solution of ordinary differential equations in gradient-based multidisciplinary design optimization},
  booktitle = {2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference},
  year = {2018},
  doi = {10.2514/6.2018-1646},
  url = {https://doi.org/10.2514/6.2018-1646},
  note = {Metadata verification: Crossref DOI}
}

Mohammad Shahabsafa, Ali Mohammad-Nezhad, Tamás Terlaky, Luis Zuluaga, Sicheng He, John T. Hwang, Joaquim R. R. A. Martins. A novel approach to discrete truss design problems using mixed integer neighborhood search. Structural and Multidisciplinary Optimization, 2018.

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@article{shahabsafa2018novel,
  author = {Mohammad Shahabsafa and Ali Mohammad-Nezhad and Tamás Terlaky and Luis Zuluaga and Sicheng He and John T. Hwang and Joaquim R. R. A. Martins},
  title = {A novel approach to discrete truss design problems using mixed integer neighborhood search},
  journal = {Structural and Multidisciplinary Optimization},
  year = {2018},
  volume = {58},
  number = {6},
  pages = {2411-2429},
  doi = {10.1007/s00158-018-2099-8},
  url = {https://doi.org/10.1007/s00158-018-2099-8},
  note = {Metadata verification: Crossref DOI}
}

John T. Hwang. Reconfigurable model execution in the OpenMDAO framework. 18th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 2017.

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@inproceedings{hwang2017reconfigurable,
  author = {John T. Hwang},
  title = {Reconfigurable model execution in the OpenMDAO framework},
  booktitle = {18th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference},
  year = {2017},
  doi = {10.2514/6.2017-3821},
  url = {https://doi.org/10.2514/6.2017-3821},
  note = {Metadata verification: Crossref DOI}
}

Satadru Roy, Kenneth Moore, John T. Hwang, Justin S. Gray, William A. Crossley, Joaquim R. R. A. Martins. A Mixed Integer Efficient Global Optimization Algorithm for the Simultaneous Aircraft Allocation-Mission-Design Problem. 58th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2017.

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@inproceedings{roy2017mixed,
  author = {Satadru Roy and Kenneth Moore and John T. Hwang and Justin S. Gray and William A. Crossley and Joaquim R. R. A. Martins},
  title = {A Mixed Integer Efficient Global Optimization Algorithm for the Simultaneous Aircraft Allocation-Mission-Design Problem},
  booktitle = {58th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference},
  year = {2017},
  doi = {10.2514/6.2017-1305},
  url = {https://doi.org/10.2514/6.2017-1305},
  note = {Metadata verification: Crossref DOI}
}

Alp Dener, Pengfei Meng, Jason E. Hicken, Graeme Kennedy, John Hwang, Justin S. Gray. Kona: A Parallel Optimization Library for Engineering-Design Problems. 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2016.

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@inproceedings{dener2016kona,
  author = {Alp Dener and Pengfei Meng and Jason E. Hicken and Graeme Kennedy and John Hwang and Justin S. Gray},
  title = {Kona: A Parallel Optimization Library for Engineering-Design Problems},
  booktitle = {57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference},
  year = {2016},
  doi = {10.2514/6.2016-1422},
  url = {https://doi.org/10.2514/6.2016-1422},
  note = {Metadata verification: Crossref DOI}
}

John Hwang, Joaquim R. R. A. Martins. Allocation-mission-design optimization of next-generation aircraft using a parallel computational framework. 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2016.

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@inproceedings{hwang2016allocation,
  author = {John Hwang and Joaquim R. R. A. Martins},
  title = {Allocation-mission-design optimization of next-generation aircraft using a parallel computational framework},
  booktitle = {57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference},
  year = {2016},
  doi = {10.2514/6.2016-1662},
  url = {https://doi.org/10.2514/6.2016-1662},
  note = {Metadata verification: Crossref DOI}
}

John T. Hwang, Joaquim R.R.A. Martins. An unstructured quadrilateral mesh generation algorithm for aircraft structures. Aerospace Science and Technology, 2016.

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@article{hwang2016unstructured,
  author = {John T. Hwang and Joaquim R.R.A. Martins},
  title = {An unstructured quadrilateral mesh generation algorithm for aircraft structures},
  journal = {Aerospace Science and Technology},
  year = {2016},
  volume = {59},
  pages = {172-182},
  doi = {10.1016/j.ast.2016.10.010},
  url = {https://doi.org/10.1016/j.ast.2016.10.010},
  note = {Metadata verification: Crossref DOI}
}

Joaquim R. R. A. Martins, John T. Hwang. Multidisciplinary Design Optimization of Aircraft Configurations — Part 1: A Modular Coupled Adjoint Approach. Von Karman Institute for Fluid Dynamics Lecture Series, Sint-Genesius-Rode, Belgium, May 2016, 2016.

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@inproceedings{martins2016multidisciplinary,
  author = {Joaquim R. R. A. Martins and John T. Hwang},
  title = {Multidisciplinary Design Optimization of Aircraft Configurations — Part 1: A Modular Coupled Adjoint Approach},
  booktitle = {Von Karman Institute for Fluid Dynamics Lecture Series, Sint-Genesius-Rode, Belgium, May 2016},
  year = {2016},
  note = {Metadata verification: no high-confidence Crossref title match}
}

John T Hwang, Craig A Steeves. Optimization of 3D lattice cores in composite sandwich structures. Journal of Composite Materials, 2015.

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@article{hwang2015optimization,
  author = {John T Hwang and Craig A Steeves},
  title = {Optimization of 3D lattice cores in composite sandwich structures},
  journal = {Journal of Composite Materials},
  year = {2015},
  volume = {49},
  number = {17},
  pages = {2041-2055},
  doi = {10.1177/0021998314541537},
  url = {https://doi.org/10.1177/0021998314541537},
  note = {Metadata verification: Crossref DOI}
}

John T. Hwang, Joaquim R. R. A. Martins. Parallel allocation-mission optimization of a 128-route network. 16th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 2015.

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@inproceedings{hwang2015parallel,
  author = {John T. Hwang and Joaquim R. R. A. Martins},
  title = {Parallel allocation-mission optimization of a 128-route network},
  booktitle = {16th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference},
  year = {2015},
  doi = {10.2514/6.2015-2321},
  url = {https://doi.org/10.2514/6.2015-2321},
  note = {Metadata verification: Crossref DOI}
}

John Hwang, Satadru Roy, Jason Kao, Joaquim R. R. A. Martins, William A. Crossley. Simultaneous aircraft allocation and mission optimization using a modular adjoint approach. 56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2015.

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@inproceedings{hwang2015simultaneous,
  author = {John Hwang and Satadru Roy and Jason Kao and Joaquim R. R. A. Martins and William A. Crossley},
  title = {Simultaneous aircraft allocation and mission optimization using a modular adjoint approach},
  booktitle = {56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference},
  year = {2015},
  doi = {10.2514/6.2015-0900},
  url = {https://doi.org/10.2514/6.2015-0900},
  note = {Metadata verification: Crossref DOI}
}

Davide Ivaldi, Ney R. Secco, Song Chen, John T. Hwang, Joaquim R. R. A. Martins. Aerodynamic Shape Optimization of a Truss-Braced-Wing Aircraft. 16th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 2015.

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@inproceedings{ivaldi2015aerodynamic,
  author = {Davide Ivaldi and Ney R. Secco and Song Chen and John T. Hwang and Joaquim R. R. A. Martins},
  title = {Aerodynamic Shape Optimization of a Truss-Braced-Wing Aircraft},
  booktitle = {16th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference},
  year = {2015},
  doi = {10.2514/6.2015-3436},
  url = {https://doi.org/10.2514/6.2015-3436},
  note = {Metadata verification: Crossref DOI}
}

Jason Kao, John Hwang, Joaquim R. R. A. Martins, Justin S. Gray, Kenneth T. Moore. A modular adjoint approach to aircraft mission analysis and optimization. 56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2015.

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@inproceedings{kao2015modular,
  author = {Jason Kao and John Hwang and Joaquim R. R. A. Martins and Justin S. Gray and Kenneth T. Moore},
  title = {A modular adjoint approach to aircraft mission analysis and optimization},
  booktitle = {56th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference},
  year = {2015},
  doi = {10.2514/6.2015-0136},
  url = {https://doi.org/10.2514/6.2015-0136},
  note = {Metadata verification: Crossref DOI}
}

Justin S. Gray, Tristan A. Hearn, Kenneth T. Moore, John Hwang, Joaquim R. R. A. Martins, Andrew Ning. Automatic Evaluation of Multidisciplinary Derivatives Using a Graph-Based Problem Formulation in OpenMDAO. 15th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 2014.

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@inproceedings{gray2014automatic,
  author = {Justin S. Gray and Tristan A. Hearn and Kenneth T. Moore and John Hwang and Joaquim R. R. A. Martins and Andrew Ning},
  title = {Automatic Evaluation of Multidisciplinary Derivatives Using a Graph-Based Problem Formulation in OpenMDAO},
  booktitle = {15th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference},
  year = {2014},
  doi = {10.2514/6.2014-2042},
  url = {https://doi.org/10.2514/6.2014-2042},
  note = {Metadata verification: Crossref DOI}
}

John T. Hwang. Efficient and Scalable Computational Design of a Small Satellite. 28th AIAA/USU Conference on Small Satellites, 2014; SSC14-VIII-6 (3rd place, student paper competition — per CV), 2014.

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@inproceedings{hwang2014efficient,
  author = {John T. Hwang},
  title = {Efficient and Scalable Computational Design of a Small Satellite},
  booktitle = {28th AIAA/USU Conference on Small Satellites, 2014; SSC14-VIII-6 (3rd place, student paper competition — per CV)},
  year = {2014},
  note = {Metadata verification: no high-confidence Crossref title match}
}

John Hwang, Gaetan Kenway, Joaquim R. R. A. Martins. Geometry and Structural Modeling for High-Fidelity Aircraft Conceptual Design Optimization. 15th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 2014.

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@inproceedings{hwang2014geometry,
  author = {John Hwang and Gaetan Kenway and Joaquim R. R. A. Martins},
  title = {Geometry and Structural Modeling for High-Fidelity Aircraft Conceptual Design Optimization},
  booktitle = {15th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference},
  year = {2014},
  doi = {10.2514/6.2014-2041},
  url = {https://doi.org/10.2514/6.2014-2041},
  note = {Metadata verification: Crossref DOI}
}

John T. Hwang, Dae Young Lee, James W. Cutler, Joaquim R. R. A. Martins. Large-Scale Multidisciplinary Optimization of a Small Satellite’s Design and Operation. Journal of Spacecraft and Rockets, 2014.

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@article{hwang2014large,
  author = {John T. Hwang and Dae Young Lee and James W. Cutler and Joaquim R. R. A. Martins},
  title = {Large-Scale Multidisciplinary Optimization of a Small Satellite’s Design and Operation},
  journal = {Journal of Spacecraft and Rockets},
  year = {2014},
  volume = {51},
  number = {5},
  pages = {1648-1663},
  doi = {10.2514/1.a32751},
  url = {https://doi.org/10.2514/1.a32751},
  note = {Metadata verification: Crossref DOI}
}

John Hwang, Dae Young Lee, James Cutler, Joaquim R. R. A. Martins. Large-Scale MDO of a Small Satellite using a Novel Framework for the Solution of Coupled Systems and their Derivatives. 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2013.

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@inproceedings{hwang2013large,
  author = {John Hwang and Dae Young Lee and James Cutler and Joaquim R. R. A. Martins},
  title = {Large-Scale MDO of a Small Satellite using a Novel Framework for the Solution of Coupled Systems and their Derivatives},
  booktitle = {54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference},
  year = {2013},
  doi = {10.2514/6.2013-1599},
  url = {https://doi.org/10.2514/6.2013-1599},
  note = {Metadata verification: Crossref DOI}
}

Joaquim R. R. A. Martins, John T. Hwang. Review and Unification of Methods for Computing Derivatives of Multidisciplinary Computational Models. AIAA Journal, 2013.

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@article{martins2013review,
  author = {Joaquim R. R. A. Martins and John T. Hwang},
  title = {Review and Unification of Methods for Computing Derivatives of Multidisciplinary Computational Models},
  journal = {AIAA Journal},
  year = {2013},
  volume = {51},
  number = {11},
  pages = {2582-2599},
  doi = {10.2514/1.j052184},
  url = {https://doi.org/10.2514/1.j052184},
  note = {Metadata verification: Crossref DOI}
}

John Hwang, Joaquim R. R. A. Martins. A Dynamic Parametrization Scheme for Shape Optimization Using Quasi-Newton Methods. 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, 2012.

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@inproceedings{hwang2012dynamic,
  author = {John Hwang and Joaquim R. R. A. Martins},
  title = {A Dynamic Parametrization Scheme for Shape Optimization Using Quasi-Newton Methods},
  booktitle = {50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition},
  year = {2012},
  doi = {10.2514/6.2012-962},
  url = {https://doi.org/10.2514/6.2012-962},
  note = {Metadata verification: Crossref DOI}
}

John Hwang, Joaquim R. R. A. Martins. GeoMACH: Geometry-Centric MDAO of Aircraft Configurations with High Fidelity. 12th AIAA Aviation Technology, Integration, and Operations (ATIO) Conference and 14th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 2012.

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@inproceedings{hwang2012geomach,
  author = {John Hwang and Joaquim R. R. A. Martins},
  title = {GeoMACH: Geometry-Centric MDAO of Aircraft Configurations with High Fidelity},
  booktitle = {12th AIAA Aviation Technology, Integration, and Operations (ATIO) Conference and 14th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference},
  year = {2012},
  doi = {10.2514/6.2012-5605},
  url = {https://doi.org/10.2514/6.2012-5605},
  note = {Metadata verification: Crossref DOI}
}

John Hwang, Anthony Waas, Joaquim R. R. A. Martins. Micromechanical Modeling and Design Optimization of 2-D Triaxial Braided Composites. 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, 2012.

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@inproceedings{hwang2012micromechanical,
  author = {John Hwang and Anthony Waas and Joaquim R. R. A. Martins},
  title = {Micromechanical Modeling and Design Optimization of 2-D Triaxial Braided Composites},
  booktitle = {50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition},
  year = {2012},
  doi = {10.2514/6.2012-1257},
  url = {https://doi.org/10.2514/6.2012-1257},
  note = {Metadata verification: Crossref DOI}
}

Joaquim Martins, John Hwang. Review and Unification of Methods for Computing Derivatives of Multidisciplinary Systems. 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference<BR>20th AIAA/ASME/AHS Adaptive Structures Conference<BR>14th AIAA, 2012.

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@inproceedings{martins2012review,
  author = {Joaquim Martins and John Hwang},
  title = {Review and Unification of Methods for Computing Derivatives of Multidisciplinary Systems},
  booktitle = {53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference&amp;lt;BR&amp;gt;20th AIAA/ASME/AHS Adaptive Structures Conference&amp;lt;BR&amp;gt;14th AIAA},
  year = {2012},
  doi = {10.2514/6.2012-1589},
  url = {https://doi.org/10.2514/6.2012-1589},
  note = {Metadata verification: Crossref DOI}
}

John T. Hwang

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