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How to Include Exponential in UDF

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Old   September 11, 2008, 00:25
Default How to Include Exponential in UDF
  #1
RL
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Hi i am writing an UDF for heat flux which includes an equation, in that equation i have exponential factor, and i have wrote that UDF, while compiling that UDF its showing an error in exponential factor, so can any body tell me how to solve this probelm.
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Old   September 11, 2008, 01:28
Default Re: How to Include Exponential in UDF
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CDE
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exp(number)
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Old   September 11, 2008, 01:29
Default Re: How to Include Exponential in UDF
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jay
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I think default fluent compiler will not solve exponential funtion..for that you may have to install visual c+ +...

or instead of going for exponetial function..u can give the 2.718^(some corelation)
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Old   September 11, 2008, 02:51
Default Re: How to Include Exponential in UDF
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wang
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you can use the function (double) exp(double x) remeber x is defined as a real type in udf

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Old   September 11, 2008, 03:04
Default Re: How to Include Exponential in UDF
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RL
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Hi CDE, Jay, and Wang thanks for ur attention, i am not getting clear picture, so pls can u tell me in detail.

My equation wil be in the form of e^2x, so how to give this as input to fluent compiler..

Thanks.
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Old   September 11, 2008, 18:51
Default Re: How to Include Exponential in UDF
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CDE
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exp(2.0*x)
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