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

dynamicRefineFvMesh

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

Reply
 
LinkBack Thread Tools Display Modes
Old   June 21, 2011, 13:52
Default dynamicRefineFvMesh
  #1
Senior Member
 
Nima Sam
Join Date: Sep 2009
Location: Tehran, Iran
Posts: 1,123
Blog Entries: 1
Rep Power: 14
nimasam is on a distinguished road
Send a message via Yahoo to nimasam
dynamicFvMesh dynamicRefineFvMesh;

dynamicRefineFvMeshCoeffs
{
refineInterval 1;
field alpha1;
lowerRefineLevel 0.001;
upperRefineLevel 0.999;
unrefineLevel 10;
nBufferLayers 1;
maxRefinement 2;
maxCells 200000;
correctFluxes
(
(
phi
U
)
);
dumpLevel true;
}

hi foamer could you please tell me the meaning of :
unrefineLevel and nBufferLayers and dumpLevel ?

thanks alot
nimasam is offline   Reply With Quote

Old   June 25, 2011, 16:01
Default
  #2
Senior Member
 
Nima Sam
Join Date: Sep 2009
Location: Tehran, Iran
Posts: 1,123
Blog Entries: 1
Rep Power: 14
nimasam is on a distinguished road
Send a message via Yahoo to nimasam
any update?
nimasam is offline   Reply With Quote

Old   August 22, 2013, 03:03
Default Partial Answer
  #3
Member
 
Christian Butcher
Join Date: Jul 2013
Location: Japan
Posts: 84
Rep Power: 3
chrisb2244 is on a distinguished road
Hi,

So I'm also looking into this, because I don't know what the unrefineLevel refers to, but the example dynamicMeshDict at $FOAM_SRC/dynamicFvMesh/dynamicRefineFvMesh/dynamicMeshDict has lots of useful comments.

In particular,

"//Which cells to un/refine:... unrefine pointCells that are within nBufferLayers of points marked for refinement."

My understanding of this (which may be wrong :/) is that the cells within nBufferLayers of cells which have the field value specified by the "field" variable between "minLevel" and "maxLevel" will be examined for unrefinement, if they do not have a value falling between min/max level.

If you know the meaning for unrefineLevel, please let me know.
The file taken from the tutorial "damBreakWithObstacle" has

"//If value < unrefineLevel unrefine
unrefineLevel 10;"
but since the values sought out are between 0.001 and 0.999 I would assume this would unrefine every point?
chrisb2244 is offline   Reply With Quote

Reply

Tags
dynamicrefinefvmesh

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
map point Fields in dynamicRefineFvMesh lukasfischer OpenFOAM Running, Solving & CFD 9 October 26, 2012 10:06
dynamicRefineFvMesh/ solidBodyMotionFvMesh FG_HSRM OpenFOAM 3 July 19, 2012 12:39
dynamicRefineFvMesh on polyhedral meshes lr103476 OpenFOAM Running, Solving & CFD 2 May 30, 2011 02:09
dynamicRefineFvMesh in 2 directions Victor OpenFOAM 6 June 28, 2010 05:46
Problem with leastSquares scheme when using dynamicRefineFvMesh christian_kunkelmann OpenFOAM Running, Solving & CFD 2 July 10, 2009 11:19


All times are GMT -4. The time now is 15:30.