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what's the best way to solve the energy equation? |
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April 22, 1999, 22:29 |
what's the best way to solve the energy equation?
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I try to solve the energy equation(2D),including the convective term and maximum Pe is about 50,000. I have used the ADI method, however, the time step has to be very very small for large Pe. I also followed the split formulation, which is given by Fletcher on "computational techniques for fluid dynamics" . Although the method is said to be unconditional stable (I think it is for uniform grid), I still have to use small time step to get reasonable result. Is there anybody who knows the better way to solve such porblem? Thank you.
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