On the generation of exact solutions for evaluating numerical schemes and estimating discretization error. - Christopher J. Roy; Andrew J. Sinclair (J. Comput. Phys., 2009)

A Numerical Investigation of Matrix-Free Implicit Time-Stepping Methods for Large CFD Simulations. - Arash Sarshar; Paul Tranquilli; Brent Pickering; Andrew McCall; Adrian Sandu; Christopher J. Roy (CoRR, 2016)

Quantifying and reducing model-form uncertainties in Reynolds-averaged Navier-Stokes simulations: A data-driven, physics-informed Bayesian approach. - Heng Xiao; Jinlong Wu; Jian-Xun Wang 001; Rui Sun 002; Christopher J. Roy (J. Comput. Phys., 2016)

Error transport equation boundary conditions for the Euler and Navier-Stokes equations. - Tyrone S. Phillips; Joseph M. Derlaga; Christopher J. Roy; Jeff Borggaard (J. Comput. Phys., 2017)

A higher-order error estimation framework for finite-volume CFD. - William C. Tyson; Christopher J. Roy (J. Comput. Phys., 2019)

Relinearization of the error transport equations for arbitrarily high-order error estimates. - William C. Tyson; Gary K. Yan; Christopher J. Roy; Carl Ollivier-Gooch (J. Comput. Phys., 2019)

Multi-GPU Performance Optimization of a CFD Code using OpenACC on Different Platforms. - Weicheng Xue; Christopher J. Roy (CoRR, 2020)

An Improved Framework of GPU Computing for CFD Applications on Structured Grids using OpenACC. - Weicheng Xue; Charles W. Jackson; Christopher J. Roy (CoRR, 2020)

Multi-GPU performance optimization of a computational fluid dynamics code using OpenACC. - Weicheng Xue; Christopher J. Roy (Concurr. Comput. Pract. Exp., 2021)

Error transport equations implementation for discontinuous Galerkin methods. - Hongyu Wang; Christopher J. Roy (J. Comput. Phys., 2023)

CPU-GPU heterogeneous code acceleration of a finite volume Computational Fluid Dynamics solver. - Weicheng Xue; Hongyu Wang; Christopher J. Roy (Future Gener. Comput. Syst., 2024)

Neural operator-based super-fidelity: A warm-start approach for accelerating steady-state simulations. - Xu-Hui Zhou; Jiequn Han; Muhammad I. Zafar; Eric M. Wolf; Christopher R. Schrock; Christopher J. Roy; Heng Xiao (J. Comput. Phys., 2025)