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Forum: FLUENT

January 23, 2012, 15:04

Replies: 9

Compressor working as decompressor...

Views: 2,354

Posted By ComputerGuy

Tom, I was confused, as you have a Solid...

Tom,

I was confused, as you have a Solid under relaxation factor listed. I thought this must have been for phase change.

Time steps in a steady-state solver are not possible.

I'll have to...

Forum: FLUENT

January 23, 2012, 14:06

Replies: 9

Compressor working as decompressor...

Views: 2,354

Posted By ComputerGuy

First question: are you modeling solid formation...

First question: are you modeling solid formation in the compressor?? It seems as such with your URFs. If you are: solids in fluent are treated as large momentum-sinks, and thus it's not surprising...

Forum: FLUENT

January 23, 2012, 13:50

Replies: 9

Compressor working as decompressor...

Views: 2,354

Posted By ComputerGuy

Specifically, it looks as if your y-velocity is...

Specifically, it looks as if your y-velocity is diverging, causing all others to fail. I would suggest:

a) Make a better initial guess for the y-velocity
b) Make the under-relaxation factor...

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