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Divergence detected in AMG solver: x-momentum

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Old   August 13, 2010, 07:58
Default Divergence detected in AMG solver: x-momentum
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Arash
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Hello everyone,

I designed a blade for a turbine and now I'm trying to analyze it in 3D by FLUENT. As the blade is rotating I need to use moving reference frame for the fluid and set the blade as moving wall with the angular speed of 0 rad/s right ?. when I try to run the case I get this error: 'Divergence detected in AMG solver: x-momentum' . I checked my boundary conditions they seem ok and I reduced the relaxation factor for momentum but still I get the same error. could you please help me with, I don't know if the problem is because I'm not defining the boundary conditions correctly or there's something wrong with my mesh or for something else.

thank you,
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Old   August 13, 2010, 22:00
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You might consider asking the question the Fluent forum.

This is for flow-3d.
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Old   August 14, 2010, 04:54
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sorry,
thanks for your help
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