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November 9, 2008, 04:53 |
rotating cylinder using sliding mesh
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#1 |
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Hello. I am attempting to simulate the lift on a spinning cylinder using sliding mesh techniques. I create a first circular face for the cylinder, then a second circular face just slightly larger for interfaces and third circular face for a control area. I subtract the first face from the second face so that the cylinder is treated as a wall, and then subtract but retain the second cylinder from the third cylinder so that i can be left with two edges for interfaces. However when i do this the cylinder inside is created as a face again and two circular edges where the cylinder wall is meant to be are created. And i have tried a number of different ways of trying to alleviate this problem and get the cylinder moving in fluent, but even by applying a moving mesh to the fluid between the cylinder and interfaces the cylinder will not spin. Can anyone give any help on this. Thanks.
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November 9, 2008, 23:02 |
Re: rotating cylinder using sliding mesh
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#2 |
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Why not mesh it like a stationary problem. Then in Fluent prescibe a moving wall with the axis of rotation being the cylinder axis. Doing it that way, there is no need for moving mesh or interfaces.
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