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boundary conditions

Question asked by Ishita Garg on Mar 26, 2015
Latest reply on Mar 31, 2015 by Jared Conway

i m trying to run a flow simulation problem. The problem is stated below: I m using an aluminium body(a housing) in which there are 4 transistors giving out maximum heat. there is a heat sink mounted on the body of the housing. and above this heat sink is a fan which is cooling the heat sink. I am not able to define the boundary conditions.