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SOR method at SUPER-sonic FLOW

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Old   July 28, 1999, 06:24
Default SOR method at SUPER-sonic FLOW
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Yogesh Talekar
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Can any body help me finding an idea of using the SOR scheme for Super-sonic flow? PLEASE
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Old   August 2, 1999, 17:39
Default Re: SOR method at SUPER-sonic FLOW
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David Schmidt
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Yogesh,

You might be attempting the impossible--or at least the inappropriate. If you are trying the SOR solution algorithm, I assume that you are trying to solve the Poisson equation. However, the character of the Poisson equation is elliptic. This represents incompressible flows well. For supersonic flows, the character is best described as "hyperbolic." So your equations should be wave-like equations, rather than the Poisson equation. There are special methods for hyperbolic equations.

David
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