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How to set boundary conditions for jet in buoyantBoussinesqSimpleFoam

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Old   December 3, 2018, 22:23
Default How to set boundary conditions for jet in buoyantBoussinesqSimpleFoam
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Yuan Jiahui
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Hi foamers,

I am simulating a 2-D jet with buoyantBoussinesqSimpleFoam. I have referred to hotRoom in tutorials but I am still trouble in setting boundary conditions.

1. what does the alphat mean and how to set it in walls, inlet and oulet?

2. How to set p_rgh in walls, inlet and outlet?

3. What does the setFields mean and do I need to setFields for my case?

4. What does the reference temperature mean in transportProperties?

Here are the boundary conditions that I set, but it can not work at all.
I am new in openfoam, any helps are welcomed.





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