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March 28, 2009, 09:01
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about DEFINE_SOURCE(name, c, t, dS, eqn)
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#1 |
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New Member
liuxiao
Join Date: Mar 2009
Posts: 10
Rep Power: 17  |
dear all
the UDF manual says that the dS is the source term derivative. Does this term is indispensable or optional? it seems that this term is just used to aid stability, but i am not sure. in my case, if dS was added, the converging rate was very very very slow. howerver, if i didn't set the value of dS, the rate is very rapid.look forward to you reply!! |
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March 31, 2009, 09:21
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#2 |
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Member
Henrik Ström
Join Date: Mar 2009
Posts: 33
Rep Power: 17 |
It is optional, and should be included if it helps convergence, as far as I understand.
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March 31, 2009, 21:41
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#3 |
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New Member
liuxiao
Join Date: Mar 2009
Posts: 10
Rep Power: 17 |
thanks very much
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