Ph.D., Computational and mathematical engineering, Stanford University, 2013
B.S., Civil and environmental engineering, Cornell University, 2007
A.S., Engineering, Montgomery County Community College, 2004
Model order reduction
Numerical linear algebra
Numerical partial differential equationi
Multidisciplinary design optimization
"A practical space–time reduced order model for large-scale dynamical problems" at 15th U.S. National Congress on Computational Mechanics, July 28 - August 1, 2019, Austin, Texas, USA
"Space–time reduced order model for Boltzmann transport equation" at 26th International Conference on Transport Theory, September 22 - 27, 2019, Paris, France
"Accelerating topology optimization process using reduced order models" at the World Congress of Structural and Multidisciplinary Optimization, May 20-24, 2019, Beijing, China
"Accelerating Training phase in time-dependnet nonlinear model order reduction" at SIAM Conference on Computational Science and Engineering, February 25 - March 1, 2019, Spokane, Washington, USA
"ST-GNAT and SNS: Model order reduction techniques for nonlinear dynamical systems." Linear Algebra and Optimization Seminar at Stanford University (October 11, 2018)
"ST-GNAT and SNS: Model order reduction techniques for time-dependent nonlinear system of equations." Applied Mathematics Seminar at UC Berkeley/Lawrence Berkeley Laboratory, California (Sept. 13th 2018).
"Reduced representation for accelerating stress-constrained topology optimization." 13th World Congress on Computational Mechanics, Marriot Marquis, New York City, NY (July 20th ~ 27th 2018).
"Tensor decompositions in reduced order models." Machine Learning Reading Group, LLNL, California (May 22th 2018).
"Tensor decompositions in reduced order models." SIAM Conference on Applied Linear Algebra, Hong Kong Baptist University (May 4th ~ 8th 2018).
"Space–time least-squares Petrov–Galerkin projection for nonlinear model reduction." 2017 West Coast ROM workshop at LBNL, California (Nov. 17th 2017).
"Space–time least-squares Petrov–Galerkin projection in nonlinear model reduction." PDE and Applied Math Seminar at UC Davis, California (Oct. 12th 2017).
"Gradient-based constrained optimization using a database of linear reduced-order models." LLNL Design Optimization Symposium (Sept. 22th 2017).
"Space–time least-squares Petrov–Galerkin projection for nonlinear model reduction." at the 14th U.S. National Congress for Computational Mechanics, Montreal, Canada (July 17th ~ 20th 2017).
"Space–time least-squares Petrov–Galerkin projection for nonlinear model reduction." Scientific computing and matrix computations seminar at UC Berkeley, California (April 12th 2017).
Choi, Y., Oxberry, G., White, D., & Kirchdoerfer, T. (2019). Accelerating topologyoptimization using reduced order models. World Congress of Structural and MultidisciplinaryOptimization
Choi, Y. & Carlberg, K. (2019). Space–time least-squares Petrov–Galerkin projection for nonlinear model reduction. SIAM Journal on Scientific Computing, 41(1):A26-A58
Choi, Y., Coombs, D., & Anderson, R. (2018). SNS: A Solution-based Nonlinear Subspace method for time-dependent nonlinear model order reduction. arXiv preprint arXiv:1809.04064 (under review).
Carlberg, K., Choi, Y., & Sargsyan, S. (2018). Conservative model reduction for finite-volume models. Journal of Computational Physics, 371, 280-314.
Choi, Y., Amsallem, D., & Farhat, C. (2015). Gradient-based constrained optimization using a database of linear reduced-order models. arXiv preprint arXiv:1506.07849.
Choi, Y., Farhat, C., Murray, W., & Saunders, M. (2015). A practical factorization of a Schur complement for PDE-constrained distributed optimal control. Journal of Scientific Computing, 65(2), 576-597.
Amsallem, D., Neumann, D., Choi, Y., & Farhat, C. (2015). Linearized Aeroelastic Computations in the Frequency Domain Based on Computational Fluid Dynamics. arXiv preprint arXiv:1506.07441.
Amsallem, D., Zahr, M., Choi, Y., & Farhat, C. (2015). Design optimization using hyper-reduced-order models. Structural and Multidisciplinary Optimization, 51(4), 919-940.
Choi, Y. (2012). Simultaneous analysis and design in PDE-constrained optimization (Doctoral dissertation, Stanford University).
Wein, L. M., Choi, Y., & Denuit, S. (2010). Analyzing Evacuation Versus Shelter-in-Place Strategies After a Terrorist Nuclear Detonation. Risk Analysis, 30(9), 1315-1327.