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Rotor not converging

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Old   June 14, 2012, 11:22
Default Rotor not converging
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Michael Creaven
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I have a ten bladed rotor that I am simulating. I have created a grid for 1/10th of the rotor (i.e. one blade). The sides have a periodic boundary condition, the inlet is a pressure inlet, the outlet is a pressure outlet, and the outside part of the "pie slice" has also been set to pressure outlet. The rotor is rotating at 2800rpm with 25m/s inflow. I am running a 2nd order accurate compressible unsteady model and my residuals will not converge more than 1e-2. The forces on the rotor are relatively stable they vary slightly from time step to time step.
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convergence fluent, periodic bc, propeller, rotor

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