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Old   August 15, 2004, 13:26
Default CFL crietarion
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hello please tell me about CFL crietarion.what is its principle.what is its importance in CFD. thanks a lot
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Old   August 15, 2004, 15:14
Default Re: CFL crietarion
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A CFL criterion is a limit based on the stability of the numerical scheme used. It Plays an important role in explicit schemes. Any book on CFD should explain it.

cfl number = u*dt/dx
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Old   August 16, 2004, 23:29
Default Re: CFL crietarion
amol palekar
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It helps you to select the time step (dt) for a given grid space (dx).

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Old   August 18, 2004, 03:04
Default Re: CFL crietarion
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actually, it limits max mesh length in order to ensure calculation stability.
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