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shel conduction in Fluent

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Old   May 15, 2019, 05:02
Default shel conduction in Fluent
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benyahia nabil
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hello
I used fluent to study natural convection in cavity. In boundary condition, when considered shell conduction, what is the boundary conditions in that case at the outside of the walls?
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Old   May 15, 2019, 11:29
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Yes the boundary condition is applied on the exterior.
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Old   May 15, 2019, 18:41
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thanks for your answer LuckyTran.
But I want to know when shell conuction is enabled, how it treats the condition in the other part (the second side), or we can set this condition. thank you
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Old   May 16, 2019, 11:36
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Let's say you have a fixed temperature boundary condition. I represent surfaces with |

Normally when you have a wall BC you have fluid| and you apply the boundary condition to this |.

When you use shell conduction you have

fluid|shells|, this bold | is where the thermal boundary condition is applied. So you would apply the fixed BC to this | and not the |. It should be apparent that the BC is not applied at | because then there would be no point in using shell conduction.
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