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Old   October 21, 2008, 02:54
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How Can I get Renolds stresses derivative?

thanks in advance
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Old   October 28, 2008, 12:24
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Reynolds stresses are accessed by the following macros.

C_RUU(c,t) uu Reynolds stress C_RUV(c,t) uv Reynolds stress C_RVW(c,t) uw Reynolds stress ....etc.

Generally derivative of any variable 'x' in udf is 'x_G'. '_G' suffix is used to access derivative.

according to this

C_RUU_G(c,t) should work. Please try I am not sure.

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