25 citations · 57 across the 5 of their papers we have counts for
5 papers
CPU-GPU Heterogeneous Code Acceleration of a Finite Volume Computational Fluid Dynamics Solver
Weicheng Xue, Hongyu Wang, Christopher J. Roy
This work deals with the CPU-GPU heterogeneous code acceleration of a finite-volume CFD solver utilizing multiple CPUs and GPUs at the same time. First, a high-level description of…
An Improved Framework of GPU Computing for CFD Applications on Structured Grids using OpenACC
Weicheng Xue, Charles W. Jackson, Christoper J. Roy
This paper is focused on improving multi-GPU performance of a research CFD code on structured grids. MPI and OpenACC directives are used to scale the code up to 16 GPUs. This paper…
A Numerical Investigation of Matrix-Free Implicit Time-Stepping Methods for Large CFD Simulations
Arash Sarshar, Paul Tranquilli, Brent Pickering +3
This paper is concerned with the development and testing of advanced time-stepping methods suited for the integration of time-accurate, real-world applications of computational flu…
Efficient Functional-Based Adaptation for CFD Applications
William C. Tyson, Christopher J. Roy
Adjoint methods have gained popularity in recent years for driving adaptation procedures which aim to reduce error in solution functionals. While adjoint methods have been proven e…
Propagation of Input Uncertainty in Presence of Model-Form Uncertainty: A Multi-fidelity Approach for CFD Applications
Jian-xun Wang, Christopher J. Roy, Heng Xiao
Proper quantification and propagation of uncertainties in computational simulations are of critical importance. This issue is especially challenging for CFD applications. A particu…