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AMG troubles - help?

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Old   September 21, 2007, 04:37
Default AMG troubles - help?
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Stephanie
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I started a parallel calculation with AMG. After 60 iterations the job is killed. Error message is following:

Process 1 amg_error: amg_trunc : error (1) occurred ierr_amg= 2981 Please contact CD-adapco support. STAR MPI_ABORT executed from processor 1

For an another mesh (same geometry ans settings) the job run until convergence.

What is the problem?

Thanks for your help.
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Old   September 22, 2007, 15:03
Default Re: AMG troubles - help?
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Donald
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try CG algorithm. If it works, it means the AMG solver diverges.
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