[vucrusader]

All,

I am currently modeling a simple vacuum enclosure that is receiving an external radiation input through a window. I want the radiation to strike a particular surface and heat it.

In order to use through DOM method within the vacuum enclosure I have filled it with 'air' with a thermal conductivity set to 1e-10. The material being directly irradiated is a non-moving fluid (constant velocities set to 0) which only accepts radiation at its boundary and does not participate in radiation. The interaction between the 'air' and the irradiated material is modeled using a boundary (air-side) and its shadow boundary (material-side). I do not understand how to properly set this boundary so that radiation from the DOM passes through the boundary and is fully absorbed by the material.

Any advice would be greatly appreciated.

Regards,