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[ICEM] Structured mesh for an assembly for a rectangular block with cylindrical pipe

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Old   August 12, 2018, 16:31
Default Structured mesh for an assembly for a rectangular block with cylindrical pipe
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Kamal Bisht
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Hi,

I am facing a problem in generating the structured mesh for the assembly of a rectangular block and cylindrical pipe. Kindly see the attachment.

The pipe edge is touching the rectangular block and I have no idea how to do it. I tried different things but so far I stuck on this.

Any idea how to approach this problem?
Attached Images
File Type: png Cad_data.PNG (44.7 KB, 4 views)
File Type: png blocks.PNG (25.1 KB, 3 views)
File Type: png mesh.PNG (56.1 KB, 4 views)
File Type: png edge_association.PNG (23.7 KB, 2 views)
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Old   August 13, 2018, 03:25
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Sebastian Engel
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Hi Kamal,


have a look at the introduction post of this subforum, here.
It's worth a read.


You probably find an idea on how to solve your problem in "Simonís tips and trick on ICEM CFD" which is linked in that post.



Navigate to slide 97 and 98. It shows solutions to a similar problem, which is about a "half" of your geometry.
I'd suggest method 3 or method 6 for your problem.
Because your cylinder has the same diameter as the width of the square channel, you'll end up with very distorted elements on points touching cylinder and square channel.


Best regards,
Sebastian
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Old   August 13, 2018, 05:22
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Kamal Bisht
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Hi Sebastian,

I will go through the document to generate the appropriate mesh.

Thanks for the suggestion.

Kind Regards,
Kamal
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Old   August 14, 2018, 04:41
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Kamal Bisht
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Hi Sebastian,

I followed the method 6 given in the document which you have suggested. But the mesh in the block specified as swept is not generating while computing the premesh.

To verify it, I created the same geometry as given in the document. For 2D geometry, the mesh is generating without skewness by specifying blocks as free (given in document).

But for 3D geometry, again no mesh generation in the blocks defined as swept while computing premesh.

Kindly have a look into the attached image.

Any idea how to resolve this?
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File Type: png Mesh.PNG (47.8 KB, 4 views)
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