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cylindrical or rectangular coordinates

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Old   October 10, 2009, 21:09
Default cylindrical or rectangular coordinates
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Abraham Jaimes Hernandez
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I am modeling the velocity profile of a fluid between two concentric tubes. The problem is 2D and one cylinder moves angularly. I have to do geometry in cylindrical coordinates?

how to select in DesignModeler cylindrical coordinates?


I Send a picture of the geometry, the blue zone is the domain
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