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SOLUTION DIVERGES/UNSTABLE.

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Old   July 28, 2006, 02:51
Default SOLUTION DIVERGES/UNSTABLE.
  #1
tipakorn
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I run moving mesh but it's not finish and stop analysis, shown error "solution diverges/unstable". How to correct it? I see parameter DISS shown "NaN". Why? Thanks
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Old   July 28, 2006, 03:08
Default Re: SOLUTION DIVERGES/UNSTABLE.
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Ben
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step 1: learn CFD step 2: fix problem
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Old   July 28, 2006, 04:22
Default Re: SOLUTION DIVERGES/UNSTABLE.
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William Blake
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it might help to underrelax the piso algorithm:

algo, piso, node, 20, 0.15, 0.8

or even lower
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Old   August 23, 2006, 00:24
Default Re: SOLUTION DIVERGES/UNSTABLE.
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James
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where to reduce the parameter ?(alog,piso,node) thanks~
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