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modelling udf-sourceterm for transitional flow |
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November 12, 2007, 12:46 |
modelling udf-sourceterm for transitional flow
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hi, i simulate a 2d transitional flow over an airfoil. since the flow is laminar at the beginning and turbulent at the end, i have to divide the area into a laminar and a turbulent zone. until now i did it by dividing the mesh into two zones. but this very costly because i have to design a new grid for every angle of atttack (the point of transition moves). there should be a possibility to simulate the transition with a udf source term. but i dont know how to do that. is there anybody, who has done that before and could help me(e.g. by sending me a example source-file)? thanks in advance
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