A Robust Hybrid HLLC-FORCE Scheme for Curing Numerical Shock Instability

Li Jun Hu; Li Yuan

doi:10.4028/www.scientific.net/AMM.577.749

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 577A Robust Hybrid HLLC-FORCE Scheme for Curing...

A Robust Hybrid HLLC-FORCE Scheme for Curing Numerical Shock Instability

Abstract:

HLLC is a monotonous high resolution scheme, which can capture shock, contact discontinuity and rarefaction wave accurately. But when we use it to calculate the multidimensional problem, the phenomenon of shock instability will appear near the strong shock. Compared with the HLLC, the FORCE scheme can present a good stability near the strong shock, and the dissipation is lower than HLL. This paper analyzes the stability of HLLC and FORCE, and proposes a hybrid scheme which can not only present good stability but also retain the high resolution of HLLC.

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Periodical:

Applied Mechanics and Materials (Volume 577)

Pages:

749-753

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.577.749

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Online since:

July 2014

Authors:

Li Jun Hu*, Li Yuan

Keywords:

HLLC-FORCE, Numerical Shock Instability, Riemann Solvers, Stability Analysis

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