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IDProjectCategoryView StatusLast Update
0001423OpenFOAMBugpublic2015-04-30 19:23
Reporteruser1014Assigned Tohenry  
PrioritynormalSeveritymajorReproducibilityalways
Status closedResolutionunable to reproduce 
PlatformUnixOSOtherOS Version(please specify)
Summary0001423: high pressure jumps when restart pimpleDyMFoam
DescriptionRestart : pressure

      69.8194 -50.6834 -48.014 -47.7161
      69.8205 8.62372 5.70291 1.64387
      69.8219 -3.25175 -3.24094 -0.0766219
      69.8234 -1.26562 -1.37194 -1.20161
      69.8252 1.5404 1.52933 1.55149
      69.8271 3.32113 3.32472 3.31939
      69.8291 3.93128 3.93807 3.93092
      69.8311 3.63962 3.64455 3.64088
      69.8331 3.15 3.14621 3.14693
      69.8351 2.68939 2.67153 2.67692
      69.8371 2.30457 2.28721 2.29354
      69.8391 1.97405 1.95775 1.96293
      69.8411 1.70723 1.68818 1.69506
      69.8431 1.50524 1.48027 1.48732
      69.8451 1.31788 1.30091 1.30936
      69.8471 1.17614 1.14767 1.16061
      69.8491 1.03053 1.01408 1.01913
      69.8511 0.91293 0.887601 0.894928
      69.8531 0.798676 0.780881 0.785876
      69.8551 0.689242 0.668014 0.673979
       69.857 0.600088 0.583662 0.590006
       69.859 0.526224 0.502175 0.508193
       69.861 0.438587 0.424562 0.428712
       69.863 0.374153 0.353346 0.358193
       69.865 0.314772 0.299051 0.303998
       69.867 0.267185 0.243301 0.248176
       69.869 0.212836 0.198532 0.202541
       69.871 0.186055 0.162807 0.167367
       69.873 0.14379 0.130332 0.13238
       69.875 0.125232 0.103062 0.106839
       69.877 0.100931 0.0818544 0.083551
      69.8789 0.077065 0.0624277 0.0665459
      69.8809 0.0639909 0.0424327 0.0443885
      69.8829 0.0451243 0.0232429 0.0242004
      69.8849 0.0235748 0.00780285 0.0082472
      69.8869 0.0161751 -0.00497951 -0.00263013
      69.8889 -0.000748993 -0.0173212 -0.0178612
Steps To ReproduceYou cant miss this, just restart, i am just curious how this could pass your previous fix on the same matter.

Additional InformationThere is one fix on the forum:

http://www.cfd-online.com/Forums/openfoam-solving/129234-pimpledymfoam-when-restarting-case-large-spike-forces.html

I cannot do this since I am using HPCC with fix release, so I simply use this report and hopes for the best, a fix so I can ask the administration for an update of the library.
TagsNo tags attached.

Activities

user1014

2014-10-25 18:57

  ~0003265

If I use pimpleDyMFoam without meshPhi, ie as normal pimpleFoam, then restart work, it is when meshPhi is present things goes wrong, i found this fix solution at the forum and i checked in the bug report that this havent been reported, so I kindly ask you ignore my input and directly go to the post i pasted in the report. I would like to have an assurance that the code works as intended, since in my calculations, all restarts fails, and I dont have a clue.

user1014

2014-11-18 15:06

  ~0003290

Last edited: 2014-11-18 15:06

I changed the DdtScheme from backward to Euler, then restart seems to works with meshPhi.

henry

2014-12-18 19:08

manager   ~0003339

I do not see any issue with restarting the pimpleDyMFoam/propeller case with either Euler or backward differencing in OpenFOAM-2.3.x or OpenFOAM-2.3.1.

If you can reproduce the problem with either OpenFOAM-2.3.x or OpenFOAM-2.3.1 please provide the case and details of how to run it and the results for comparison.

Issue History

Date Modified Username Field Change
2014-10-25 01:14 user1014 New Issue
2014-10-25 18:57 user1014 Note Added: 0003265
2014-11-18 15:06 user1014 Note Added: 0003290
2014-11-18 15:06 user1014 Note Edited: 0003290
2014-12-18 19:08 henry Note Added: 0003339
2014-12-18 19:08 henry Status new => closed
2014-12-18 19:09 henry Assigned To => henry
2014-12-18 19:09 henry Resolution open => unable to reproduce