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May 20, 2011, 07:49 |
AMG solver divergence
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#1 |
New Member
Fran
Join Date: Oct 2010
Posts: 4
Rep Power: 15 |
Hi,
I'm modelling a more than 15 million elements absorption column. I think the setup and mesh are ok, but i'm getting AMG solver divergence.. The computer has only 4 gb RAM..the question is, could it be possible that this error message is connected with a lack of memory? Thanks |
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May 20, 2011, 10:11 |
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#2 |
Member
Kailash
Join Date: May 2011
Location: London, UK
Posts: 45
Rep Power: 14 |
hi,
1. Are u running it on a seggregated solver? try shifting to coupled solver, or the other way round. 2. Start the run with very small under relaxation factors, (say 0.1) Try this, hope it works. Cheers |
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May 20, 2011, 10:31 |
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#3 | |
New Member
Fran
Join Date: Oct 2010
Posts: 4
Rep Power: 15 |
Quote:
I've run it on the coupled solver and I've set the under-relaxation factors low but not as low as you are suggesting me..So I'll try it. I hope it works..Thanks |
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