Periodicity and symmetry boundary condition
Hi,
I have a simple question: What is the difference between periodicity boundary condition and symmetry boundary condition. Thanks. Luis |
Hi,
For a periodic boundary condition you need two faces. Everything that leaves the domain through face A will directly enter the domain through face B. Symmetry boundary condition means, that everything is symmetric at that face, which means a zero gradient for some values (Temperature, density, pressure, ...). All fluxes are zero here. |
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