Publications

2022

  1. S. McBane, Y. Choi, K. Willcox, Stress-constrained topology optimization of lattice-like structures using component-wise reduced order models, arXiv preprint, arXiv:2205.09629, 2022
  2. Q.A. Huhn, M.E. Tano, J.C. Ragusa, Y. Choi, Parametric dynamic mode decomposition for reduced order modeling, arXiv preprint, arXiv:2204.12006, 2022
  3. X. He, Y. Choi, W. Fries, J. Belof, J.S. Chen, gLaSDI: Parametric physics-informed greedy latent space dynamics identification, arXiv preprint, arXiv:2204.12005, 2022
  4. J.T. Lauzon, S.W. Cheung, Y. Shin, Y. Choi, D. M. Copeland, K. Huynh, S-OPT: a points selection algorithm for hyper-reduction in reduced order models, arXiv preprint, arXiv:2203.16494, 2022
  5. W. Fries, X. He, Y. Choi, LaSDI: Parametric latent space dynamics identification, arXiv preprint, arXiv:2203.02076, 2022
  6. T. Kadeethum, F. Ballarin, D. O'Malley, Y. Choi, N. Bouklas, H. Yoon, Reduced order modeling for flow and transport problems with Barlow Twins self-supervised learning, arXiv preprint, arXiv:2202.05460, 2022
  7. S.W Cheung, Y. Choi, D. Copeland, K. Huynh, Local Lagrangian reduced-order modeling for Rayleigh-Taylor instability by solution manifold decomposition, arXiv preprint, arXiv:2201.07335, 2022
  8. T. Kadeethum, F. Ballarin, Y. Choi, D. O'Malley, H. Yoon, N. Bouklas, Non-intrusive reduced order modeling of natural convection in porous media using convolutional autoencoders: Comparison with linear subspace techniques, Advances in Water Resources, Volume 160, 104098, 2022
  9. Y. Kim, Y. Choi, D. Widemann, T. Zohdi, A fast and accurate physics-informed neural network reduced order model with shallow masked autoencoder, Journal of Computational Physics, 451, 110841, 2022. Also available as arXiv:2009.11990.

2021

  1. T. Kadeethum, D. O'Malley, J.N. Fuhg, Y. Choi, J. Lee, H.S. Viswanathan, N. Bouklas, A framework for data-driven solution and parameter estimation of PDEs using conditional generative adversarial networks, Nature Computational Science, 1, 819-829, 2021
  2. D. Copeland, S.W. Cheung, K. Huynh, Y. Choi, Reduced order models for Lagrangian hydrodynamics, Computer Methods in Applied Mechanics and Engineering, Volume 388, 114259, 2021. Also available as arXiv:2104.11404.
  3. C. Hoang, Y. Choi, K. Carlberg, Domain-decomposition least-squares Petrov-Galerkin (DD-LSPG) nonlinear model reduction, Computer Methods in Applied Mechanics and Engineering, Volume 384, 113997, 2021
  4. S. McBane, Y. Choi, Component-wise reduced order model lattice-type structure design, Computer Methods in Applied Mechanics and Engineering, 381, 113813, 2021
  5. Y. Kim, K.M. Wang, Y. Choi, Efficient space-time reduced order model for linear dynamical systems in Python using less than 120 lines of code, Mathematics, 9(14), 1690, 2021
  6. Y. Choi, P. Brown, W. Arrighi, R. Anderson, K. Huynh, Space-time reduced order model for large-scale linear dynamical systems with application to Boltzmann transport problems, Journal of Computational Physics, 424, 109845, 2021. Also available as arXiv:1910.01260.

2020

  1. Y. Choi, D. Coombs, R. Anderson, SNS: A Solution-based nonlinear subspace method for time-dependent model order reduction, SIAM Journal on Scientific Computing, 42(2), A1116-A1147, 2020
  2. Y. Choi, G. Boncoraglio, S. Anderson, D. Amsallem, C. Farhat Gradient-based constrained optimization using a database of linear reduced order models, Journal of Computational Physics, 423, 109787, 2020. Also available as arXiv:1506.07849.
  3. Y. Kim, Y. Choi, D. Widemann, T. Zohdi, Efficient nonlinear manifold reduced order model Workshop on machine learning for engineering modeling, simulation and design @ NeurIPS 2020, 2020. Also available as arXiv:2011.07727

2019 and earlier

  1. Y. Choi, K. Carlberg, Space-time least-squares Petrov-Galerkin projection for nonlinear model reduction, SIAM Journal on Scientific Computing, 41(1), A26-A58, 2019
  2. Y. Choi, G. Oxberry, D. Whit, T. Kirchdoerfer, Accelerating design optimization using reduced order models, arXiv preprint, arXiv:1909.11320, 2019
  3. K. Carlberg, Y. Choi, S. Sargsyan, Conservative model reduction for finite-volume models, Journal of Computational Physics, 371, p280-314, 2018
  4. G. Oxberry, T. Kostova-Vassilevska, W. Arrighi, K. Chand, Limited-memory adaptive snapshot selection for proper orthogonal decomposition, International Journal of Numerical Methods in Engineering, 109(2), p198-217, 2016
  5. D. Amsallem, M. Zahr, Y. Choi, C. Farhat, Design optimization using hyper-reduced-order models, Structural and Multidisciplinary Optimization, 51, p919-940, 2015