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too large residual for chemical species

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Old   December 25, 2009, 06:57
Default too large residual for chemical species
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zoujianfeng
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Dear, I am computing a case for mixing of sonic He flow and supersonic air flow. But, I got very large residual for specie of He gas. The other residuals for mass, momtum are at the order of 1e-3. What is wrong?
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