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mesh size - number of nodes

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Old   November 11, 2006, 14:10
Default mesh size - number of nodes
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hey i want to simulate a compressor rotor. i have to solve in two way. one actual model and 2nd scale down model by 100

now my question is that in CFD wiki it says a good mesh with wall function should be 400,000 cells , so i wanna know that should i use 400,000 cells for both models (actual and scale down) if yes why and if no then also why \?????????

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