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

Does lagrangian track model support moving mesh with topological changes??

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

Reply
 
LinkBack Thread Tools Display Modes
Old   July 10, 2009, 20:36
Default Does lagrangian track model support moving mesh with topological changes??
  #1
Senior Member
 
su_junwei's Avatar
 
su junwei
Join Date: Mar 2009
Location: Xi'an China
Posts: 151
Rep Power: 10
su_junwei is on a distinguished road
Send a message via MSN to su_junwei
Dear Foamers

I want to implement dem model with moving mesh in openfoam. I don't know if the Lagrangian track model support moving mesh with topological changes.

If the mesh topology was changed(cell remove,add or renumbering), and the index of the cell a particle occupied should be also changed. But in the Lagrangian model, there seems no codes do such a modification.
Is that true? I don't know much the topology change operation process. would you mind give me some suggestion?

regards, Junwei
su_junwei is offline   Reply With Quote

Old   July 11, 2009, 06:51
Default
  #2
Senior Member
 
Henrik Rusche
Join Date: Mar 2009
Location: Braunschweig, Niedersachsen, Germany
Posts: 275
Rep Power: 9
henrik is on a distinguished road
Dear Junwei,

yes, it should work. I think the meshanics is done here:

void Foam::Cloud<ParticleType>::autoMap(const mapPolyMesh& mapper)

There are bugfixes in the 1.5-ext which did not make it into 1.5.x ...

I loved your particle movies that Hrvoje showed in Montreal! Thanks.

Henrik
henrik is offline   Reply With Quote

Old   July 11, 2009, 08:32
Default
  #3
Senior Member
 
su_junwei's Avatar
 
su junwei
Join Date: Mar 2009
Location: Xi'an China
Posts: 151
Rep Power: 10
su_junwei is on a distinguished road
Send a message via MSN to su_junwei
Dear Henrik

Thank you for love my movie.
Regarding the problems, thanks for your helpful reply. I figure out the invoking loop now. Thanks again.

regards, Junwei
su_junwei is offline   Reply With Quote

Old   October 18, 2012, 03:53
Default particle tracking and topo changes in 1.6-ext
  #4
New Member
 
Klaus
Join Date: Jul 2010
Location: Linz / Austria
Posts: 20
Rep Power: 6
strakakl is on a distinguished road
Dear Junwei

i know the thread is quit old, but did you manage to run a case with topological changes and particle tracking?
Got some problems with 1.6-ext running such a case and i don't know if it is due to a bad case setup.
I already posted my problem in the thread below.
particle tracking & topo changes -> simulation crashes in 1.6-ext

Best regards,

Klaus
strakakl 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
Superlinear speedup in OpenFOAM 13 msrinath80 OpenFOAM Running, Solving & CFD 18 March 3, 2015 06:36
Lagrangian track not support empty patch interaction? su_junwei OpenFOAM Running, Solving & CFD 2 March 25, 2009 06:47
Question on InterFoam moving mesh capabilities ziv OpenFOAM Running, Solving & CFD 0 April 23, 2008 09:11
Convergence moving mesh lr103476 OpenFOAM Running, Solving & CFD 30 November 19, 2007 15:09
How to control Minximum mesh space? hung FLUENT 7 April 18, 2005 09:38


All times are GMT -4. The time now is 01:46.