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how to simulate the pithing motion of a airfoil

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Old   August 21, 2008, 09:08
Default how to simulate the pithing motion of a airfoil
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the axis is 25% of the chord ,and I know how to use a new coord ,but I really wonder how to set the angel changing with alpha=0.016+2.51*sin(omega*t) . Is there somebody can give me some advice about how to descirbe the CCL about this case or about the mesh displament ?

Thanks in advacnce
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