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udf or Parameters in fluent..plz help..

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Old   June 6, 2013, 06:51
Default udf or Parameters in fluent..plz help..
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Nitish Singh
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i am trying the foll udf to simulate vibration in the cylinder in middle, as shown in figure,in z direction,

#include "udf.h"

DEFINE_CG_MOTION(wave, dt, vel, omega, time, dtime)

but its not working.... iam just a beginner in udf, how do u reckon should i go ahead.... is there any other method in fluent through which we can simulate this movement, like defining time and displacement as a parameter and then giving values of displacement or velocity at corresponding time..... any help will be much appreciated..
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