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Star- CCM: 2D H- Rotor performance simulation problem

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Old   December 7, 2021, 19:26
Exclamation Star- CCM: 2D H- Rotor performance simulation problem
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Yi Xiang Guice
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Hi there, I am currently simulating a 2D H-Rotor (or darreus rotor) in Star- CCM. The setup is as below:

I am not sure why the moment coefficient only increases exponentially along with increasing TSR.
Following is the mesh setup:

And the result I obtained is below:

Any help will be appreciated. Thanks a lot.
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overset mesh, wind turbine

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