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How to apply boundary conditions in a long duct

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Old   January 26, 2006, 17:48
Default How to apply boundary conditions in a long duct
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Gaurav Vijay Deshpande
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Dear Forum, I am not able to apply boundary conditions in a long duct. I want to use Flotran Element 142. I came to know a way by which t can be done i.e. by overlapping ares on the respective face. But I cant do that in case of a long duct as there are no faces on which one can overlap.Somehow I just want to create an area at inlet which would allow flow to take place and let me apply velocity boundary condition.Pls do help me .......... I am desperate to find an answer..... I am simply struggling.
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