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how to add body force by udf?

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Old   March 28, 2012, 09:52
Default how to add body force by udf?
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Wei Zhao
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i want to model the effect of pump with body force. but i don't know the method of adding body force.
someone told me that i can add body force by udf, i don't know how
to do it, is there anything special with the process of meshing?
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