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IDProjectCategoryView StatusLast Update
0001267OpenFOAMBugpublic2014-04-11 12:12
Reporterroland Assigned Touser2 
PrioritynormalSeveritymajorReproducibilityalways
Status resolvedResolutionfixed 
PlatformLinuxOSOpenSUSEOS Version13.1
Summary0001267: MRF incorrect when using buoyantBoussinesqSimpleFoam
DescriptionWhen using MRF in buoyantBoussinesqSimpleFoam incorrect results are produced. This is mostly noticeable by the reversed direction of the flow near the rotating parts, but the pressure is wrong too.

Attached I have three cases showing the problem. The first, simple_mixerVessel2D, is just the original mixerVessel2D simpleFoam tutorial.

The second, buoyant_mixerVessel2D, is a modification of the first case, but running buoyantSimpleFoam. It shows similar results as the original.

The third, boussinesq_mixerVessel2D, is again a modification, however this time for buoyantBoussinesqSimpleFoam. It shows different results compared to the first two cases.
Steps To ReproduceRun a buoyantBoussinesqSimpleFoam case with MRF, for example the attached example case.
Additional InformationBuild : 2.3.x-689b37fe0d60
TagsNo tags attached.

Activities

roland

2014-04-11 10:17

reporter  

mod-mixerVessel2D.tgz (21,175 bytes)

roland

2014-04-11 10:18

reporter  

Ux_simple.png (99,368 bytes)   
Ux_simple.png (99,368 bytes)   

roland

2014-04-11 10:18

reporter  

Ux_buoyant.png (98,615 bytes)   
Ux_buoyant.png (98,615 bytes)   

roland

2014-04-11 10:19

reporter  

Ux_boussinesq.png (97,912 bytes)   
Ux_boussinesq.png (97,912 bytes)   

roland

2014-04-11 10:20

reporter   ~0003006

See also attached images, which show the differences in Ux for the three example cases.

user2

2014-04-11 12:12

  ~0003007

Thanks for the report - fixed by commit 6459a1d

Issue History

Date Modified Username Field Change
2014-04-11 10:17 roland New Issue
2014-04-11 10:17 roland File Added: mod-mixerVessel2D.tgz
2014-04-11 10:18 roland File Added: Ux_simple.png
2014-04-11 10:18 roland File Added: Ux_buoyant.png
2014-04-11 10:19 roland File Added: Ux_boussinesq.png
2014-04-11 10:20 roland Note Added: 0003006
2014-04-11 12:12 user2 Note Added: 0003007
2014-04-11 12:12 user2 Status new => resolved
2014-04-11 12:12 user2 Fixed in Version => 2.3.x
2014-04-11 12:12 user2 Resolution open => fixed
2014-04-11 12:12 user2 Assigned To => user2