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how to add body force by udf?

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March 28, 2012, 10:52	how to add body force by udf?	#1
wolfish New Member Wei Zhao Join Date: Apr 2009 Location: Shanghai in China Posts: 2 Rep Power: 0	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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