CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > OpenFOAM Running, Solving & CFD

dynamicMesh parallel run

Register Blogs Members List Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Display Modes
Old   October 2, 2012, 12:34
Default dynamicMesh parallel run
  #1
New Member
 
Join Date: Sep 2012
Posts: 3
Rep Power: 4
popcorn is on a distinguished road
Dear all,

im a student and facing a refinement problem with the interDyMFoam during a parallel run.

In the single run, the refinement utility works fine, as the mesh is only refined up to a refinement level of 3 according to the dynamicMeshDict (maxRefinement = 3). Areas in the mesh with a higher refinement level, e.g. around a snapped geometry, are not refined and keep their refinement level.


But in the parallel run, the dynamicmesh works differently! Suddenly all areas in the mesh are refined with 3 refinement level addtionally. So the area around my snapped geometry with a refinement level of 4 gets an enormous refinement level of 7 This leads to millions of unnecessary cells around my snapped geometry and the simulation time explodes to infinity.



Unfortunately I need a high refinement level at the beginning to snapp the geometry correctly...


I guess there must be something wrong with the decomposePar-operation. So i checked my decomposeParDict and tried different operations (e.g. decomposePar-copyUniform) , but no success.




Thanks in advance for your help...



popcorn is offline   Reply With Quote

Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Parallel Run on dynamically mounted partition braennstroem OpenFOAM Running, Solving & CFD 14 October 5, 2010 14:43
Unable to run OF in parallel on a multiple-node cluster quartzian OpenFOAM 3 November 24, 2009 14:37
serial run fine, but parallel run diverged phsieh2005 OpenFOAM Running, Solving & CFD 2 October 6, 2009 08:33
Parallel run diverges, serial does not SammyB OpenFOAM Running, Solving & CFD 1 May 10, 2009 03:28
Run in parallel a 2mesh case cosimobianchini OpenFOAM Running, Solving & CFD 2 January 11, 2007 07:33


All times are GMT -4. The time now is 16:50.