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-   -   calculate gradient tension in udf (http://www.cfd-online.com/Forums/fluent-udf/111326-calculate-gradient-tension-udf.html)

mohsenz_136 January 3, 2013 16:54

calculate gradient tension in udf
 
Hello! I am trying to write a UDF for fluent. I want to calculate the gradient of a tension. I want to calculate ∂τ/∂x for a source term that adds to energy equation. Does anybody have any idea how can I do that. Thank you

msaeedsadeghi January 5, 2013 04:15

There is nothing for tension. You should calculate if from velocity gradiant. You can find it in fluent manual. C_U_G(c,t)[0], C_U_G(c,t)[1], C_U_G(c,t)[2]


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