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June 18, 2011, 18:05
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COUPLED converging Tip
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Member
Nuno Gomes
Join Date: May 2009
Location: Portugal
Posts: 39
Rep Power: 16  |
Hello All
I am using a COUPLED as Pressure-velocity coupling scheme, for a low Re(300) study in a chemical reactor. Also using Presto! and Quick as spatial discretization. First i use standard and 1st order in SIMPLEC, after i change for those ones. My solution is converging, but with high residues(10e-1)...far away from 10e-4 that i want. Any tip? Can i change the solution controls....Relaxation factor or under-relaxation factors, without aftecting too much the result?Or can be a mesh trouble? Thank you all for the help. |
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