# How to get the gradient of a scalar in CFX 11.0

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 May 23, 2007, 10:11 How to get the gradient of a scalar in CFX 11.0 #1 sm Guest   Posts: n/a Can anybody let me know how to get a gradient of a scalar variable using CFX 11.0 without User Fortran With thanx sm

 May 23, 2007, 10:22 Re: How to get the gradient of a scalar in CFX 11. #2 opaque Guest   Posts: n/a Dear sm, You can refer to it, by using the same naming convention you see in CFX-Post.. Examples: Value = Temperature.Gradient X Source = Pressure.Gradient Y Additional Variable = MyOtherAV.Gradient Z Notice that you always access the gradient components explicitly not the gradient vector.. Hope this helps, Opaque

 May 24, 2007, 02:40 Re: How to get the gradient of a scalar in CFX 11. #3 sm Guest   Posts: n/a Thanx opaque. Is there a way to get a divergence of a vector in CFX? sm

 May 24, 2007, 09:58 Re: How to get the gradient of a scalar in CFX 11. #4 opaque Guest   Posts: n/a Dear SM, No.. But, what do you want to do with the divergence of vector? Is it a source term in another equation? That determines how you evaluate the term. You can always (not recommended for source terms) get the gradient and apply the summation of the components: d/dx + d/dy + d/dz (Phi).. Opaque..

 May 29, 2007, 03:13 Re: How to get the gradient of a scalar in CFX 11. #5 sm Guest   Posts: n/a Thanx opaque. I need it for a source term. sm

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