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Counter rotating propeller (propfan)

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Old   August 13, 2008, 16:14
Default Counter rotating propeller (propfan)
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Dear all, I'm just beginner. My project is to simulate the flow pass counter rotating propeller (like an Antonov An 70 or GE UDF propeller). How should I begin? Is sliding mesh appropriate for this problem (to see unsteady interaction)? And how to create domain/apply BC? Thanks in advance.

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