A simple parameter-free entropy correction for approximate Riemann solvers

作者：Helluy Philippe; Herard Jean Marc^*; Mathis Helene; Mueller Siegfried

来源：Comptes Rendus Mecanique, 2010, 338(9): 493-498.

DOI：10.1016/j.crme.2010.07.007

• Computational fluid mechanics
• Approximate Riemann solver
• Entropy correction

We present here a simple and general non-parametrized entropy-fix for the computation of fluid flows involving sonic points in rarefaction waves. It enables to improve the stability and the accuracy of approximate Riemann solvers. It is also applied to MHD flows.

• 出版日期2010-9