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Divergence detected in AMG solver?

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Old   May 23, 2002, 05:33
Default Divergence detected in AMG solver?
  #1
varghese
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Hello Friends,

My simulation today give me an error message:"Divergence detected in AMG solver:x momentum Error object)

I have no idea what it means and how to get around it.

I like to be helped by members of the forum.

With advanced thanks

Varghese

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Old   May 23, 2002, 06:31
Default Re: Divergence detected in AMG solver?
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Alammar
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If I were you, I'would search Fluent forum for previous similar questions. You will find several guidelines.
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Old   May 25, 2002, 03:09
Default Re: Divergence detected in AMG solver?
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zahid
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play with residuals
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Old   May 25, 2002, 03:19
Default Re: Divergence detected in AMG solver?
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zahid
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or play with under-relaxation factors
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Old   May 25, 2002, 04:02
Default Re: Divergence detected in AMG solver?
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zahid
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play with under-relaxation factors
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Old   May 27, 2002, 07:50
Default Re: Divergence detected in AMG solver?
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varghese
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Dear Alammer and Zahid,

Thank you for the tips.

I have found out that the problem was rather with the Fluent server to which I am a client. Now I can run the same mesh to convergence.

Greetings

Varghese
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