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please help me. i have question about the UDF at the DPM

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Old   July 6, 2009, 11:27
Default please help me. i have question about the UDF at the DPM
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sadegh motallebi
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I am gonna write a Udf about the DPM.

I must write a udf that particle can trap or reflect .

on the other hand if shear stress on the wall be greater than critical

stress, particle reflect else particle be trap.

I work on this problem about two month but I dont solve it.

I use of swich commend on the Udf but when I use it , it inacvtive at the Boundary condition at the fluent.

I dont have any solotion.

please help me.

All The Best.

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