Symmetry (Radiation in Participating Medium and Radiation in Absorbing-Scattering Medium Interfaces)
This node provides a condition for symmetry boundaries when the Radiation discretization method is P1 approximation. It means that there is no heat flux across the boundary.
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Radiation in Participating Media>Symmetry
Radiation in Absorbing-Scattering Media>Symmetry
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Boundaries>Symmetry