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math.NA2026
A Massively Parallel Hybridizable Discontinuous Galerkin Solver for Direct Numerical Simulation of Compressible Flows on GPUs
Andrew Welter, Thea Collin, Ngoc Cuong Nguyen +1
Direct numerical simulation (DNS) of compressible transitional and turbulent flows requires numerical methods that combine high-order accuracy, robustness, and computational effici…
math.NA2025
Preconditioning Techniques for Hybridizable Discontinuous Galerkin Discretizations on GPU Architectures
Andrew Welter, Ngoc Cuong Nguyen
We present scalable iterative solvers and preconditioning strategies for Hybridizable Discontinuous Galerkin (HDG) discretizations of partial differential equations (PDEs) on graph…