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gradients of passive scalars

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Old   July 7, 2005, 05:12
Default gradients of passive scalars
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Hi everybody!

I am working with user subroutines and defined some passive scalars in my domain. My problem is that I need to set up functions for those scalars which include their gradients in respect of spatial distribution. How can I get the gradient of a passive scalar in a certain cell?

Thanks for any help in advance!
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Old   July 10, 2005, 12:24
Default Re: gradients of passive scalars
Hubert Janocha
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With the the "operate" command you have the possibility to calculate a gradient of a cset.

e.g. GUI version. Main ProStar menu -> Lists -> Post-Registers. Buttom operate... > Funtion -> Multi-Register -> Gradient.
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