I am simulating a ventillated installation with heat transfer and k-epsilon model. I imposed a boundary condtion with a certain outer temperature. But I saw a very funny result on the post processer. The whole layer of cell at the boundary has the same temperature. Is this because my grid is course? or there is something wrong due to other reasons.How does CFX4.3 understands boundary? Is it an infinitisimal outer face or the whole cubic cell at the pheriphery of the room?
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