COUPLED converging Tip
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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