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How to define a boundary condition as a variable with other flow variable

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Old   June 6, 2017, 03:31
Default How to define a boundary condition as a variable with other flow variable
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Upuli
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Dear All

I want to implement a boundary condition as a variable for a transient heat transfer problem. I want to define radiation intensity(G) as a variable of gas temperature at the outlet. So

Inlet
G= sigma*e*Tg^4;

sigma and e are constant and Tg is a flow variable. How can I implement this boundary condition at the Inlet boundary patch. The Groovy Boundary Conditions cannot be used as OpenFOAM4 does not support the installations. Is there another way to do this.

I will be very much thankful if someone can give me an idea.


rgds

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