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UDF derivative

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Old   March 30, 2012, 05:51
Default UDF derivative
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anonymous
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Hi!

how can i write dC/dx in a UDF?? because Fluent don't recognise dCdx, says that is an undeclared variable.

C its concentration

Thanks!
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Old   April 22, 2012, 03:43
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chenxizhong
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may be you can difine a uds to store the C , get the dC/dx by use C_UDSIG()[0]

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Originally Posted by libia87 View Post
Hi!

how can i write dC/dx in a UDF?? because Fluent don't recognise dCdx, says that is an undeclared variable.

C its concentration

Thanks!
chenxizh is offline   Reply With Quote

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