CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > OpenFOAM > OpenFOAM Meshing & Mesh Conversion

[snappyHexMesh] ExtrudeMesh+Snappy: meshing an annular sector

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

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   June 3, 2016, 06:56
Default ExtrudeMesh+Snappy: meshing an annular sector
  #1
New Member
 
Joris C.
Join Date: Jan 2013
Posts: 29
Rep Power: 10
Coris is on a distinguished road
I am having problems with creating a mesh generated by snappy for an annular sector problem. The annular sector has only 1 cell in the rotational direction (2D), so I use snappy on a 3D problem and then extrudeMesh:

Code:
blockMesh >> logFile
surfaceFeatureExtract >> logFile
snappyHexMesh -overwrite >> logFile
extrudeMesh  >> logFile
However, the extrudeMesh returns an empty mesh.

What does work however is creating a wedge. Therefore, the following tutorial works brilliantly: http://www.holzmann-cfd.de/index.php.../2d-wedge-mesh
It has to be slightly adapted for OpenFoam 3.0, by changing the wedgeCoeffs entry in extrudeMeshDict to sectorCoeffs.

For an annular sector, I moved the .stl of the tutorial case 0.05 m away from the axis of rotation. I also did a surfaceOrient such that the normals on the stl surfaces point in the same direction as the original .stl. However, as said, the extrudeMesh returns an empty mesh. Snappy works just fine. My case is in the attachment.

I am using OpenFoam 3.0.1 on Ubuntu.

Any thoughts?
Attached Files
File Type: zip annularSector.zip (19.6 KB, 19 views)
Coris is offline   Reply With Quote

Reply

Tags
extrudemesh, sector, wedge

Thread Tools Search this Thread
Search this Thread:

Advanced Search
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 Off
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Partition does not start on physical sector boundary!!?? immortality Lounge 1 December 8, 2013 16:04
[ICEM] Problem Meshing a Cylindrical sector in ICEM SRead ANSYS Meshing & Geometry 4 July 18, 2012 15:10
Best Meshing scheme for Cylinder Nutrex Main CFD Forum 4 July 29, 2008 12:03
Meshing locks workbench window. andy2o CFX 0 February 1, 2008 06:01
Singularity of grid?Volume meshing vs face meshing Ken Main CFD Forum 0 September 4, 2003 12:09


All times are GMT -4. The time now is 13:20.