3 papers
physics.comp-ph2018
Strategies to cure numerical shock instability in HLLEM Riemann solver
Sangeeth Simon, J. C. Mandal
The HLLEM scheme is a popular contact and shear preserving approximate Riemann solver for cheap and accurate computation of high speed gasdynamical flows. Unfortunately this scheme…
physics.comp-ph2018
A Cure for numerical shock instability in HLLC Riemann solver using antidiffusion control
Simon Sangeeth, J. C Mandal
Various forms of numerical shock instabilities are known to plague many contact and shear preserving approximate Riemann solvers, including the popular Harten-Lax-van Leer with Con…
physics.comp-ph2018
A simple cure for numerical shock instability in HLLC Riemann solver
Simon Sangeeth, J. C Mandal
The Harten-Lax-van Leer with contact (HLLC) scheme is known to be plagued by various forms of numerical shock instabilities. In this paper, we propose a new framework for developin…