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Distance between walls with thin wall/shell conduction

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Old   May 16, 2018, 04:49
Question Distance between walls with thin wall/shell conduction
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Hi all,

I'm new to Ansys Fluent and have to make a thermal simulation of several parts (rectangles 100x40x60) in a row that are seperated by an insulation. I built my CAD model from a real product therefore there is a gap between the hexaeders, where in real the insulation is. (See the picture

I need the gap because otherwise my total length would differ from my real model and I don't want to model the Insulation either because of its thin dimension that would lead to a lot of elements.

I defined the two adjacent walls as a coupled wall and as a Thin Wall with the wall thickness equal to the Gap.

Now I wonder if the Thin Wall fills the gap and both hexaeders have a real contact with the Thin Wall or if the Thin Wall is built between the hexaeder and the gap.

Furthermore I'd like to know if there are differences using shell conduction instead of thin wall.

Thanks a lot

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distance, gap, heat, shell conduction, thin wall

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