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Setting Location dependent boundary condition

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Old   August 2, 2017, 12:05
Post Setting Location dependent boundary condition
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Hello all,

I need to set location Dependant boundary condition.

In a simplified case:

flow through a square pipe is being simulated.

The lower wall of the square pipe is heated(T=400k) starting from 1/4th of the length from the beginning and before its adiabatic.

how do I realize this(or similar) boundary condition???

Thanks!
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boundary conditions, openfoam 2.4.x


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