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Forum: Fluent UDF and Scheme Programming

May 23, 2012, 05:22

Replies: 17

Could anyone help me write UDF for time dependent temperature in BC

Views: 6,549

Posted By Daniel Tanner

I don't think this is a good way to do it....

I don't think this is a good way to do it. Ideally there should be less than 20 iterations per time step and it should achieve convergence (not just stop because it reaches 20).

Try reducing the...

Forum: Fluent UDF and Scheme Programming

May 11, 2012, 07:38

Replies: 17

Could anyone help me write UDF for time dependent temperature in BC

Views: 6,549

Posted By Daniel Tanner

It looks like you have one iteration per time...

It looks like you have one iteration per time step and have a time step of one second, is this correct? I think you need to reconsider this. How have you calculated your time step?

Forum: Fluent UDF and Scheme Programming

May 10, 2012, 11:52

Replies: 17

Could anyone help me write UDF for time dependent temperature in BC

Views: 6,549

Posted By Daniel Tanner

Did you check that the correct temperature...

Did you check that the correct temperature boundary condition was being applied? Do the contours of temperature at the boundary look ok?

Are you sure that the solution is converging?

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