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#1 |
New Member
Rachit Prasad
Join Date: Jun 2011
Location: Blacksburg, Virginia
Posts: 29
Rep Power: 15 ![]() |
Hi everyone!
I have been trying to mesh flow over the busemann's biplane. http://en.wikipedia.org/wiki/Busemann%27s_Biplane The blockMeshDict file I have written is as follows: vertices ( (-1.0 0.192 -0.01) (-0.5 0.192 -0.01) (0.5 0.192 -0.01) (1.0 0.192 -0.01) (-1.0 0.096 -0.01) (-0.5 0.096 -0.01) (0.5 0.096 -0.01) (1.0 0.096 -0.01) (0 0.0842 -0.01) (0 -0.0842 -0.01) (-1.0 -0.096 -0.01) (-0.5 -0.096 -0.01) (0.5 -0.096 -0.01) (1.0 -0.096 -0.01) (-1.0 -0.192 -0.01) (-0.5 -0.192 -0.01) (0.5 -0.192 -0.01) (1.0 -0.192 -0.01) (-1.0 0.192 0.01) (-0.5 0.192 0.01) (0.5 0.192 0.01) (1.0 0.192 0.01) (-1.0 0.096 0.01) (-0.5 0.096 0.01) (0.5 0.096 0.01) (1.0 0.096 0.01) (0 0.0842 0.01) (0 -0.0842 0.01) (-1.0 -0.096 0.01) (-0.5 -0.096 0.01) (0.5 -0.096 0.01) (1.0 -0.096 0.01) (-1.0 -0.192 0.01) (-0.5 -0.192 0.01) (0.5 -0.192 0.01) (1.0 -0.192 0.01) ); blocks ( hex (22 23 5 4 18 19 1 0) (200 1 152) simpleGrading (1 1 1) hex (23 24 6 5 19 20 2 1) (200 1 152) simpleGrading (1 1 1) hex (24 25 7 6 20 21 3 2) (200 1 152) simpleGrading (1 1 1) hex (28 29 11 10 22 23 5 4) (200 1 152) simpleGrading (1 1 1) hex (29 27 9 11 23 26 8 5) (200 1 152) simpleGrading (1 1 1) hex (27 30 12 9 26 24 6 8) (200 1 152) simpleGrading (1 1 1) hex (26 8 5 23 24 6 6 24) (200 1 152) simpleGrading (1 1 1) hex (27 9 11 29 30 12 12 30) (200 1 152) simpleGrading (1 1 1) hex (30 31 13 12 24 25 7 6) (200 1 152) simpleGrading (1 1 1) hex (32 33 15 14 28 29 11 10) (200 1 152) simpleGrading (1 1 1) hex (33 34 16 15 29 30 12 11) (200 1 152) simpleGrading (1 1 1) hex (34 35 17 16 30 31 13 12) (200 1 152) simpleGrading (1 1 1) ); edges ( ); patches ( ); mergePatchPairs ( ); However, I get an error of zero or negative pyramid volume at several faces. I do understand that probably there has been mistake on my part in defining the geometry. However, it is a tedious job going through such blockMesh files this long or even longer again and again. ![]() Are there any other ways or techniques to spot such errors such as badly defined block or face, etc? Thanks in advance, Rachit |
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#2 |
Retired Super Moderator
Bruno Santos
Join Date: Mar 2009
Location: Lisbon, Portugal
Posts: 10,975
Blog Entries: 45
Rep Power: 128 ![]() ![]() ![]() ![]() ![]() ![]() |
Hi Rachit,
If you are using OpenFOAM 2.0 with the official reader for ParaView, not just the internal one, then try the following command when inside your case folder: Code:
paraFoam -block Best regards, Bruno
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#3 |
Member
wided
Join Date: Jul 2010
Posts: 54
Rep Power: 15 ![]() |
thank you for this option ... it is really f a big help for me. makes it easy to detect the errors
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