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Heat transfer in thin metal skins

Posted Sep 4, 2014, 4:07 p.m. EDT Heat Transfer & Phase Change, Materials Version 4.4 3 Replies

Kaushik Biswas
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I am trying to model conduction heat transfer across a solid block that is encapsulated within a thin metal skin (Thickness - ~0.01 inch). If I use physics-controlled meshing, I end up with too many meshes and the solver runs out of memory. Is there another way to treat the thin metal skin without overwhelming the solver? Any existing example(s) will be very useful.

Thanks is advance for the help.

Kaushik
3 Replies Last Post Sep 9, 2014, 8:55 a.m. EDT
Pieter Westerik
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Posted: 10 years ago Sep 9, 2014, 8:37 a.m. EDT
I think it is best to make separate 2D physics for each metal covered face, and couple it to the the 3D simulation appropriately.
I think it is best to make separate 2D physics for each metal covered face, and couple it to the the 3D simulation appropriately.
Kaushik Biswas
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Posted: 10 years ago Sep 9, 2014, 8:45 a.m. EDT
Pieter,

Thanks for the message. Can you please elaborate or provide an example problem that I can follow? I am still a relative beginner with COMSOL and heat transfer modeling in general.

Kaushik
Pieter, Thanks for the message. Can you please elaborate or provide an example problem that I can follow? I am still a relative beginner with COMSOL and heat transfer modeling in general. Kaushik
Pieter Westerik
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Posted: 10 years ago Sep 9, 2014, 8:55 a.m. EDT
I am sorry, I see that there is a 'highly conductive layer' boundary condition that can be used. Check the COMSOL help for how to use it. Come back to me if you do not get it right.
I am sorry, I see that there is a 'highly conductive layer' boundary condition that can be used. Check the COMSOL help for how to use it. Come back to me if you do not get it right.

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