negative pressure -- CFD Online Discussion Forums

February 4, 2002, 23:32	negative pressure	#1
Ma Guest Posts: n/a	Hello everyone. I am using a in-house TVD Euler code to solve a 2D shock refraction problem. I found in some case the code overflows due to a negative pressure generated somewhere in the flowfield. Is this negative pressure resulted from some kind of over-expansion? Does anyone encounter a similar problem? Thanks. Ma

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