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-   -   how can I define this wall boundary condition ? (http://www.cfd-online.com/Forums/fluent/32829-how-can-i-define-wall-boundary-condition.html)

lei_jinbo@hotmail.com January 10, 2004 05:19

how can I define this wall boundary condition ?
 
how can I define the wall boundary condition which the heat flux fluctuates with the time? Must I use the tool of UDF?

Rob Hart January 10, 2004 10:43

Re: how can I define this wall boundary condition
 
It's the way I'd do it.

It's really not that difficult to write a simple UDF like that. There is a good example in the UDF docs that should be easy to modify.

See section 10.1.2 of the UDF guide, entitled "Transient Velocity Inlet Profile for Flow in a Tube" (udf/node230.htm) in my installation.

Rob


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