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Boundary condition at interface of multiple zones

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Old   September 25, 2013, 07:54
Default Boundary condition at interface of multiple zones
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I am modelling radiation heat transfer.
my question is for getting the temperature inside a closed domain having radiation from outside what should be the boundary condition of the interface. I am attaching the images which explains it better.

what i am trying in fluent is making it wall which creates a shadow, but not all the interface are spillted into shadow some remains. Am i doing something wrong.
Please guide me.

Last edited by dinesh; September 25, 2013 at 08:00. Reason: attach a link
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