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Forum: OpenFOAM Meshing & Mesh Conversion

January 14, 2012, 10:45

Replies: 51

[blockMesh] Errors during blockMesh meshing

Views: 19,909

Posted By MartinB

Congratulations ;-) CU and thanks for...

Congratulations ;-)

CU and thanks for posting...

Martin

Forum: OpenFOAM Meshing & Mesh Conversion

January 13, 2012, 09:34

Replies: 51

[blockMesh] Errors during blockMesh meshing

Views: 19,909

Posted By MartinB

Hi Paolo, yes, I am interested... always...

Hi Paolo,

yes, I am interested... always eager to learn more about blockMesh strategies ;-)

Martin

Forum: OpenFOAM Meshing & Mesh Conversion

January 10, 2012, 07:50

Replies: 51

[blockMesh] Errors during blockMesh meshing

Views: 19,909

Posted By MartinB

Hi Paolo, blockMesh is definitely not the...

Hi Paolo,

blockMesh is definitely not the primary choice to create a 3D mesh for your geometry.

Is there any special reason that you don't use Salome or another free mesh generator?

Martin

Forum: OpenFOAM Meshing & Mesh Conversion

December 8, 2011, 13:37

Replies: 51

[blockMesh] Errors during blockMesh meshing

Views: 19,909

Posted By MartinB

Hi Deji, here I must give up, I'm no regular...

Hi Deji,

here I must give up, I'm no regular snappy user ;-)

May be one of the others foamers can give advice here?

Martin

Forum: OpenFOAM Meshing & Mesh Conversion

December 3, 2011, 09:48

Replies: 51

[blockMesh] Errors during blockMesh meshing

Views: 19,909

Posted By MartinB

Hi Deji, does the attached blockMeshDict fit...

Hi Deji,

does the attached blockMeshDict fit your intention? It uses mergePatchPairs to connect the two blocks with different numbers of elements.

Martin

Forum: OpenFOAM Meshing & Mesh Conversion

November 24, 2011, 10:24

Replies: 51

[blockMesh] Errors during blockMesh meshing

Views: 19,909

Posted By MartinB

Hi Paolo, it's just a warning so generally...

Hi Paolo,

it's just a warning so generally you can try to ignore it.

The exact reason is the face (14 29 29 14), which is a face collapsed to a line, and which results from the wedge shaped...

Forum: OpenFOAM Meshing & Mesh Conversion

November 18, 2011, 05:53

Replies: 51

[blockMesh] Errors during blockMesh meshing

Views: 19,909

Posted By MartinB

Hi Paolo, (and Robert, this might be interesting...

Hi Paolo, (and Robert, this might be interesting for you, too...)

the numeration of the hexblocks is bad, as well as the definition of the frontAndBack patches.

To "debug" these kind of...

Forum: OpenFOAM Meshing & Mesh Conversion

November 18, 2011, 05:22

Replies: 51

[blockMesh] Errors during blockMesh meshing

Views: 19,909

Posted By MartinB

Hi Robert, your sketch in the Word document...

Hi Robert,

your sketch in the Word document is not really readable in my Libre Office Writer... making a PDF or an .png might be a better way to communicate sketches.

The tutorial you mention...

Forum: OpenFOAM Meshing & Mesh Conversion

November 17, 2011, 11:07

Replies: 51

[blockMesh] Errors during blockMesh meshing

Views: 19,909

Posted By MartinB

Hi Robert, if you want to introduce more...

Hi Robert,

if you want to introduce more blocks, you must add appropriate vertices, too. In your blockMeshDict you have only 16 vertices defined in the "vertices" section, but you are using vertex...

Forum: OpenFOAM Meshing & Mesh Conversion

November 9, 2011, 13:22

Replies: 51

[blockMesh] Errors during blockMesh meshing

Views: 19,909

Posted By MartinB

Hi Elia, there is no mergePatchPairs...

Hi Elia,

there is no mergePatchPairs necessary for your mesh. You must use the vertices "multiple" times, i.e. they belong to more than just one block.

The attached blockMeshDict contains the...

Forum: OpenFOAM Meshing & Mesh Conversion

September 9, 2011, 12:43

Replies: 51

[blockMesh] Errors during blockMesh meshing

Views: 19,909

Posted By MartinB

Hi Maddy, yes, it is correct, a possible...

Hi Maddy,

yes, it is correct, a possible topology is shown in the attachment.

Martin

Forum: OpenFOAM Meshing & Mesh Conversion

September 8, 2011, 11:04

Replies: 51

[blockMesh] Errors during blockMesh meshing

Views: 19,909

Posted By MartinB

Hi Madeleine, the problem with...

Hi Madeleine,

the problem with mergePatchPairs is, that after merging the first two patches, no other patch to be merged should be adjacent to the already merged ones.

One solution is to define...

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