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J. T. Hwang and Martins, J. R. R. A., “A Dynamic Parametrization Scheme for Shape Optimization Using Quasi-Newton Methods”, in Proceedings of the 50th AIAA Aerospace Sciences Meeting, Nashville, TN, 2012.

Hwang2012a.pdf (885.22 KB)

J. T. Hwang, Waas, A. M., and Martins, J. R. R. A., “Micromechanical Modeling and Design Optimization of 2-D Triaxial Braided Composites”, in Proceedings of the 50th AIAA Aerospace Sciences Meeting, Nashville, TN, 2012.

Hwang2012b.pdf (396.94 KB)

J. T. Hwang and Martins, J. R. R. A., “GeoMACH: Geometry-Centric MDAO of Aircraft Configurations with High Fidelity”, in Proceedings of the 14th AIAA/ISSMO Multidisciplinary Analysis Optimization Conference, Indianapolis, IN, 2012.

Hwang2012c.pdf (8.6 MB)

J. T. Hwang, Lee, D. Y., Cutler, J. W., and Martins, J. R. R. A., “Large-Scale MDO of a Small Satellite using a Novel Framework for the Solution of Coupled Systems and their Derivatives”, in Proceedings of the 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Boston, MA, 2013.

J. T. Hwang, Lee, D. Y., Cutler, J. W., and Martins, J. R. R. A., “Large-Scale Multidisciplinary Optimization of a Small Satellite’s Design and Operation”, Journal of Spacecraft and Rockets, vol. 51, no. 5, pp. 1648-1663, 2014.

Hwang2014b.pdf (10.24 MB)

J. T. Hwang, Kenway, G. K. W., and Martins, J. R. R. A., “Geometry and Structural Modeling for High-Fidelity Aircraft Conceptual Design Optimization”, in Proceedings of the 15th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Atlanta, GA, 2014.

Hwang-MAO-2014.pdf (14.68 MB)

J. T. Hwang and Steeves, C. A., “Optimization of 3D lattice cores in composite sandwich structures”, Journal of Composite Materials, 2014.

J. T. Hwang, “A modular approach to large-scale design optimization of aerospace systems”, 2014.

Hwang_dissertation.pdf (46.92 MB)

J. T. Hwang, Roy, S., Kao, J. Y., Martins, J. R. R. A., and Crossley, W. A., “Simultaneous aircraft allocation and mission optimization using a modular adjoint approach”, in 56th AIAA SDM Conference, Kissimmee, FL, 2015.

Hwang2015a.pdf (330.5 KB)

J. T. Hwang and Martins, J. R. R. A., “Parallel allocation-mission optimization of a 128-route network”, in 17th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Dallas, TX, 2015.

Paper.pdf (722.17 KB)

J. T. Hwang and Martins, J. R. R. A., “An unstructured quadrilateral mesh generation algorithm for aircraft structures”, Aerospace Science and Technology, vol. 59, pp. 172–182, 2016.

Hwang_Martins_2016b_mdolab.pdf (20.12 MB)

J. T. Hwang and Martins, J. R. R. A., “A computational architecture for coupling heterogeneous numerical models and computing coupled derivatives”, ACM TOMS, vol. 44, no. 4, 2018.

paper_mdolab.pdf (986.89 KB)

J. T. Hwang and Martins, J. R. R. A., “A fast-prediction surrogate model for large datasets”, Aerospace Science and Technology, vol. 75, p. 74--87, 2018.

paper_mdolab.pdf (660.18 KB)

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

Hwang2016.pdf (1.29 MB)

J. T. Hwang, Jasa, J. P., and Martins, J. R. R. A., “High-fidelity design-allocation optimization of a commercial aircraft maximizing airline profit”, Journal of Aircraft, 2019.

hwang_AMD_preprint.pdf (4.1 MB)