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Fluent: Flow won't interact with rotating region

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Old   September 26, 2016, 11:30
Default Fluent: Flow won't interact with rotating region
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Hi everyone,

Some little problem, My project is to do a 2D Vertical Axis wind turbine analysis. This is a 2D analysis. I have set up FLUENT with no problem,
there are 2 region, the boundary and rotating. Both have define interface.
ANSYS version is 16.0 so it's contact region in Mesh Interface tab.
The model is create in Solidwork and export to STEP.
Airfoil is NACA 0018
Angular velocity is at 25 rad/s
Inlet velocity is 20 m/s
Outlet is atmospheric

However, the result flow is seem not to interact with the rotating region at all, it's like they are both separated flow entirely.
How could I make the flow interact? Should I specify a porosity?
Screen:


Best, and thanks for your time!

T. Olsen,
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flow, rotating region, vawt, vawt wind turbine

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