Ghost fluid method for strong shock impacting on material interface

T. G. Liu; B. C. Khoo; K. S. Yeo

doi:10.1016/S0021-9991(03)00301-2

Ghost fluid method for strong shock impacting on material interface

T. G. Liu
, B. C. Khoo^*
, K. S. Yeo

^*Corresponding author for this work

Institute of High Performance Computing
Department of Mechanical Engineering
National University of Singapore

Research output: Contribution to journal › Article › peer-review

344 Scopus citations

Abstract

It is found that the original ghost fluid method (GFM) as put forth by Fedkiw et al. [J. Comp. Phys. 152 (1999) 457] does not work consistently and efficiently using isentropic fix when applied to a strong shock impacting on a material interface. In this work, the causes for such inapplicability of the original GFM are analysed and a modified GFM is proposed and developed for greater robustness and consistency. Numerical tests also show that the modified GFM has the property of reduced conservation error and is less problem-related.

Original language	English
Pages (from-to)	651-681
Number of pages	31
Journal	Journal of Computational Physics
Volume	190
Issue number	2
DOIs	https://doi.org/10.1016/S0021-9991(03)00301-2
State	Published - 20 Sep 2003
Externally published	Yes

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abstract = "It is found that the original ghost fluid method (GFM) as put forth by Fedkiw et al. [J. Comp. Phys. 152 (1999) 457] does not work consistently and efficiently using isentropic fix when applied to a strong shock impacting on a material interface. In this work, the causes for such inapplicability of the original GFM are analysed and a modified GFM is proposed and developed for greater robustness and consistency. Numerical tests also show that the modified GFM has the property of reduced conservation error and is less problem-related.",

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AB - It is found that the original ghost fluid method (GFM) as put forth by Fedkiw et al. [J. Comp. Phys. 152 (1999) 457] does not work consistently and efficiently using isentropic fix when applied to a strong shock impacting on a material interface. In this work, the causes for such inapplicability of the original GFM are analysed and a modified GFM is proposed and developed for greater robustness and consistency. Numerical tests also show that the modified GFM has the property of reduced conservation error and is less problem-related.

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Ghost fluid method for strong shock impacting on material interface

Abstract

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