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Old   April 14, 2013, 03:10
Exclamation udf for tube
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ammm
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hi
i want to write a udf for walls of a tube . what should i do????
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Old   April 23, 2013, 00:51
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Bill Wangard
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your question does not make any sense? What exactly do you want to do?
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Old   April 23, 2013, 04:26
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Ji Junjie
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Quote:
Originally Posted by ammm View Post
hi
i want to write a udf for walls of a tube . what should i do????
Very simple! You should first write the udf.
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Old   April 23, 2013, 08:25
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ammm
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Very simple! You should first write the udf.
hi dear gearboy
can you explain more? i already wrote it but it has a lot of problem to run
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Old   April 23, 2013, 09:49
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Originally Posted by ammm View Post
hi dear gearboy
can you explain more? i already wrote it but it has a lot of problem to run
Then, paste here your udf!
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Old   April 26, 2013, 11:37
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Then, paste here your udf!
i want to write slip velocity for tube wall and slip velocity is
u= B * du/dn

n is normal vector
fluent set in cartesian coordinate
can you help me to turn into Cylindrical coordinate???
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