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January 24, 2006, 06:14 |
Use custmer defined function to calculate Re
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I used a pressure inlet and pressure outlet bc for inlet and outlet respectively in a 2d case, i want to use the simulated velocity at inlet to calculate the Reynolds number, so i use coustmer defined function panel, and I chose "select operand field function from (VELOCITY->Velocity Magnitude )*(GRID->Y coordinates)/(PROPERTIES->Molecular viscosity), this means U*D(pipe width)/viscosity, but the results seems not right. any one who konw how to do this? or anyother easier method? thanks you very much
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