I am simulating the reheating stage of the stretch blow moulding process. I need to model the oven which has the infrared heating lamps, which heats up the PET preform which is essentially semi-transparent. How do I model this setup? When I used the external radiation source, it needs opaque domain so it doest work. When I use participating media option, there is an opaque boundary requirement so how do I simulate the IR lamps heating this semi-transparent preform?
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