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IDProjectCategoryView StatusLast Update
0001714OpenFOAM[All Projects] Bugpublic2015-05-29 12:00
ReporterdhoraAssigned Tohenry 
PrioritylowSeverityfeatureReproducibilitysometimes
Status resolvedResolutionfixed 
Product Version 
Fixed in Version 
Summary0001714: Incompressible Simplec solvers
DescriptionSIMPLEC should be considered also for the incompressible flow solvers. It has sometimes advantages, e.g. in the absolutely non-converging SRFSimpleFoam tutorial.
TagsNo tags attached.

Activities

henry

2015-05-27 20:53

manager   ~0004823

I have not tested SIMPLEC in incompressible flow but have no problem with supporting it in this mode if it proves useful. What advantage does it bring for the SRFSimpleFoam tutorial?

dhora

2015-05-27 21:25

reporter  

SRFSimplecFoam.tar.gz (2,430 bytes)

dhora

2015-05-27 21:27

reporter  

SRF_mixer_system.tar.gz (1,075 bytes)

dhora

2015-05-27 21:27

reporter   ~0004824

Convergence is much better

henry

2015-05-29 11:43

manager   ~0004836

Thanks for this feature request and test results -- very interesting.

I have implemented the run-time selectable "consistent" method in simpleFoam and SRFsimpleFoam and testing on a range of cases and so far the results are promising provided the relaxation factors are tuned appropriately.

e.g. for the motorbike tutorial

    SIMPLE
    {
        nNonOrthogonalCorrectors 0;
        consistent yes;
    }
    
    relaxationFactors
    {
        equations
        {
            U 0.9;
            k 0.7;
            omega 0.7;
        }
    }


Resolved by commit 1b6f46fae03e985fd983b7dd747287ee1d6db37e

Issue History

Date Modified Username Field Change
2015-05-27 20:13 dhora New Issue
2015-05-27 20:53 henry Note Added: 0004823
2015-05-27 21:25 dhora File Added: SRFSimplecFoam.tar.gz
2015-05-27 21:27 dhora File Added: SRF_mixer_system.tar.gz
2015-05-27 21:27 dhora Note Added: 0004824
2015-05-29 11:43 henry Note Added: 0004836
2015-05-29 11:43 henry Status new => resolved
2015-05-29 11:43 henry Resolution open => fixed
2015-05-29 11:43 henry Assigned To => henry