|
[Sponsors] |
March 3, 2010, 13:13 |
Mesh quality control in Paraview/Openfoam
|
#1 |
New Member
Join Date: Mar 2010
Posts: 11
Rep Power: 16 |
Hello!
I created a simple channel flow case in openfoam with a step in cross section. For the mesh I created 2 blocks with different meshes at the interface between the blocks. Then I applied the "MergePatchPairs" command in blockMesh. The user manual says that blockMesh adapts the meshes somehow at the interface. Now my question: Is there any possibility to check how the mesh is really looking like? I created a slice through the domain in paraview and used the "wireframe" or "surface and edges" display mode, but the mesh looks really crazy. A collegue of mine told me that paraview would not display the real mesh properly. Thanks in advance Sandu69 |
|
March 3, 2010, 15:18 |
|
#2 |
Retired Super Moderator
Bruno Santos
Join Date: Mar 2009
Location: Lisbon, Portugal
Posts: 10,975
Blog Entries: 45
Rep Power: 128 |
Greetings Sandu69,
Yep, your colleague is right. I read your thread before going on my search about snappyHexMesh, and found what starts in this post, has the solution for you a few posts later. So your colleague is right about Paraview triangulating everything that gets cut, but probably didn't know about the ExtractCellsByRegion solution Best regards, Bruno |
|
March 8, 2010, 05:03 |
|
#3 |
New Member
Join Date: Mar 2010
Posts: 11
Rep Power: 16 |
Hi Bruno,
thanks for your answer. "Extract by region" works fine. My collegue told me in the meantime that there is the "checkMesh" command. I think by using both of them it should be possible to be sure that the mesh is ok. Best regards, Sandu |
|
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
[ICEM] Hex refinement negative quality afterwards | Anorky | ANSYS Meshing & Geometry | 8 | March 22, 2010 03:25 |
[snappyHexMesh] external flow with snappyHexMesh | chelvistero | OpenFOAM Meshing & Mesh Conversion | 11 | January 15, 2010 19:43 |
How to access the mesh quality before simulation? | Cheng | CFX | 2 | November 17, 2006 23:56 |
mesh quality | julie | FLUENT | 5 | July 26, 2004 05:31 |
mesh quality metrics | Novak Elliott | FLUENT | 1 | September 1, 2003 04:54 |