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rotating case boundary conditions

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Old   March 15, 2012, 11:10
Default rotating case boundary conditions
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Michael Creaven
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I am trying to analyze a propeller in Fluent. I have a 1/10 pie slice, that includes one of the blades. I am using a pressure inlet, and pressure outlet, on the sides periodic condition, on the outside of the slice a slip wall, and then I have the fluid rotating at my desired rpms. Are these correct boundary conditions?

Also I understand the different reference frames that fluent uses, but what does fluent output the inertial frame, the rotating frame?
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Old   March 15, 2012, 11:21
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I've no idea of how fluent deals with rotating frames but concerning your BC I think that for the external part of the slice you should better have a pressure outlet rather than a slip wall.


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fluent, rotating frame propeller, rotating reference frame

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