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continuity convergence

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Old   October 4, 2020, 06:41
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pankaj sharma
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Hi there,

I have been trying to converge the continuity equation for a natural convection problem within a rectangular cavity. I have checked the boundary conditions and mesh dependence multiple times. the same model converges in a case without radiation. whereas in case radiation the continuity residuals remain at e-1 and does not drop down after around 15000 iterations.

i am currently trying with variable schemes, relaxation factors etc

Please share your experience on the issue

Thank you
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continuity equation, convergence fluent, natural conection

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