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Divergence problem running a DFBI

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Old   September 20, 2011, 04:23
Default Divergence problem running a DFBI
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I'm trying to simulate the behaviour of a propeller thrusted airplane using Superposed Rotation. My geometry is composed by sub domain containing a propeller and a main domain containing the aircraft and this sub-domain. The reason for the sub domain is that the mesher doesn't have to re-do the mesh for every rotation in all the space but only in the sub-domain containing the propeller. The problem i encounter is that my simulation diverge. Someone can help? thanks in advance

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the propeller is rotating at 10000 rpm and time step is 1 x e-04
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