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IDProjectCategoryView StatusDate SubmittedLast Update
0001309OpenFOAMBugpublic2014-05-28 11:252014-06-10 10:17
Reporteruser933Assigned Touser21 
PrioritynormalSeveritymajorReproducibilityalways
Status resolvedResolutionfixed 
Summary0001309: in viewFactor.C , the external radiation Qrext must be included for i=j only
DescriptionOpenFOAM-2.3.x/src/thermophysicalModels/radiationModels/radiationModel/viewFactor /viewFactor.C

lines 539 and 587

under if .not.(i==j) there is
q[i] += Fmatrix_()[i][j]*sigmaT4 - QrExt[j];

must be
q[i] += Fmatrix_()[i][j]*sigmaT4; // (i.e. no QrExt[j] here)
Steps To Reproducetutorial
OpenFOAM-2.3.x/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeaterRadiation

put in system/topAir/changeDictionaryDict nonzero Qro for any patch, e.g., topAir_to_heater and check thermal balance for the whole system it the steady state.
TagsHeat transfer, radiation, view factor

Activities

user21

2014-05-30 09:16

  ~0003093

Thanks for the bug report. Resolved in commit 63d684791fd3fba34de

user21

2014-05-30 09:39

  ~0003095

Resolved in commit 4d7c1cc2c0

user21

2014-06-10 10:16

  ~0003125

solved in commit 3100d4fe7e0913ea93e0

Issue History

Date Modified Username Field Change
2014-05-28 11:25 user933 New Issue
2014-05-28 11:27 user933 Tag Attached: Heat transfer
2014-05-28 11:27 user933 Tag Attached: radiation
2014-05-28 11:27 user933 Tag Attached: view factor
2014-05-30 09:16 user21 Note Added: 0003093
2014-05-30 09:16 user21 Status new => resolved
2014-05-30 09:16 user21 Resolution open => fixed
2014-05-30 09:16 user21 Assigned To => user21
2014-05-30 09:32 user933 Status resolved => feedback
2014-05-30 09:32 user933 Resolution fixed => reopened
2014-05-30 09:39 user21 Note Added: 0003095
2014-05-30 09:39 user21 Status feedback => resolved
2014-05-30 09:39 user21 Resolution reopened => fixed
2014-05-30 09:49 user933 Status resolved => feedback
2014-05-30 09:49 user933 Resolution fixed => reopened
2014-06-10 10:16 user21 Note Added: 0003125
2014-06-10 10:17 user21 Status feedback => resolved
2014-06-10 10:17 user21 Resolution reopened => fixed