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explicit scheme for incompressible

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Old   November 2, 2005, 02:50
Default explicit scheme for incompressible
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Hi Dears:

I write a code for compressible flow. Mac cormack methods

is used, so it is explicit scheme. For very low Mach number

it have to add dual time method to simulate incompressilbe

flow. But even I did not change my code, it sill could

get resonable result for very low Mach number(0.001). Why?

I use Roe scheme and CFL=0.1
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