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how to calculate dot product of velocity vector and temperature gradient

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Old   March 13, 2016, 16:53
Default how to calculate dot product of velocity vector and temperature gradient
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ramin
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hi ,anyone could help me with this problem i've got ? i wanna calculate the inner product of velocity vector and temperature gradient in fluent : U. T
Thanks in Advanced.
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Old   March 13, 2016, 17:11
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You could either use the NV_DOT function or write the equation out yourself:

Code:
C_U(c,t) * C_T_G(c,t)[0] + C_V(c,t) * C_T_G(c,t)[1];
C_U(c,t) is the x-velocity component within a cell and C_T_G(c,t)[0] is the x-component of the cell temperature gradient vector.
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Old   March 13, 2016, 17:57
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thanks a lot
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