Shock Limiter in Front Tracking Method

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2009, Vol. 26 ›› Issue (4): 510-516.

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Shock Limiter in Front Tracking Method

WANG Donghong^1,2, ZHAO Ning², LIU Jianming²

1. College of Science, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;
2. College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Received:2008-03-04 Revised:2008-10-06 Online:2009-07-25 Published:2009-07-25

Abstract

Abstract: Riemann problems are constructed at interface in front tracking (FT) method for multi-fluid flows to study application of shock limiter.In gas-gas and gas-water problems,shock limiter parameter is selected about 0.3 considering average conservation error,L₁ error and strength of the shock.It is indicated that in order to obtain better solutions the back shock wave should be selected as an original state for Riemann problems at the interface as a shock is close to a material interface.

Key words: compressible multi-fluid flow, front-tracking method, Riemann problem, limiter

CLC Number:

O351

WANG Donghong, ZHAO Ning, LIU Jianming. Shock Limiter in Front Tracking Method[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2009, 26(4): 510-516.

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Shock Limiter in Front Tracking Method

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