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A question about the dynamic mesh UDF

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Old   November 26, 2003, 09:50
Default A question about the dynamic mesh UDF
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Hi, I want to simulate the flow in a cavity with a oscillating membrane at its bottom. Dynamics mesh should be used for this case. Now I know the shape and velocity of the membrane. How to write the UDF? Is it enough if I write the UDF only use the Macro DEFINE_GEOM without using DEFINE_GRID_MOTION? Any suggestions will be greatly appreciated.

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Old   November 27, 2003, 03:56
Default Re: A question about the dynamic mesh UDF
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hi Tango,

you are right. The interior grid nodes will be positioned automatically by solver.

good luck.

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