2 papers
math.NA2018
On the Accuracy and Stability of Various DG Formulations for Diffusion
Mohammad Alhawwary, Z. J. Wang
In this paper, we study the stability (in terms of the maximum time step) and accuracy (in terms of the wavenumber-diffusion properties) for several popular discontinuous Galerkin…
physics.comp-ph2018
Fourier Analysis and Evaluation of DG, FD and Compact Difference Methods for Conservation Laws
Mohammad Alhawwary, Z. J. Wang
Large eddy simulation (LES) has been increasingly used to tackle vortex-dominated turbulent flows. In LES, the quality of the simulation results hinges upon the quality of the nume…