Optimization and application of the HLLC riemann solver

Yue Ling Jia; Hai Rui Wen

doi:10.15918/j.tbit1001-0645.2015.04.020

Optimization and application of the HLLC riemann solver

Yue Ling Jia, Hai Rui Wen

数学学院

IAPCM

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

The entropy fix of the HLLC Riemann solver for the general equation of state was studied. Based on HLL and HLLC Riemann solvers' trait and the upwind characteristic, the idea of the HLL Riemann solver was used to overcome the sonic fix in the sonic rarefaction wave. Motivied by Olieinik's entropy condition, some threshold values were defined to kill the sonic fix, which can be used in the ALE methods for the multimaterial problems. Numerical experiments support the Modified HLLC Riemann solver.

源语言	英语
页（从-至）	436-440
页数	5
期刊	Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology
卷	35
期	4
DOI	https://doi.org/10.15918/j.tbit1001-0645.2015.04.020
出版状态	已出版 - 1 4月 2015

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AB - The entropy fix of the HLLC Riemann solver for the general equation of state was studied. Based on HLL and HLLC Riemann solvers' trait and the upwind characteristic, the idea of the HLL Riemann solver was used to overcome the sonic fix in the sonic rarefaction wave. Motivied by Olieinik's entropy condition, some threshold values were defined to kill the sonic fix, which can be used in the ALE methods for the multimaterial problems. Numerical experiments support the Modified HLLC Riemann solver.

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KW - Optimization and application

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Optimization and application of the HLLC riemann solver

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