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[ICEM] tube with 45 degree inlet

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Old   May 4, 2011, 16:08
Default tube with 45 degree inlet
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Germán González Silva
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hello all,

I made ​​the mesh for this geometry, but I am getting negative values ​​of angle and determinant .
1 - I created a block to the main cylinder, then made ​​two cuts near the side inlet, I associate the edges with the inlet and outlet tube
2 - I extruded the block side entrance with a line and point and extruding block association with inlet inclined at 45 degrees.
3 - I drew the Ogrid at the entrance angle to the opposite wall of the tube (diameter) and another ogrid along the main pipe. For the main Ogrid, I chose the inner block crossing between the two Ogrid.
4 - I realize the division of volumes in the edges.

how do I make the distribution of blocks? , which would be the best topology?

Best regards.

Attachment 7559

Attachment 7560

mesh.zip
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File Type: jpg oGrid1.jpg (49.4 KB, 32 views)
File Type: jpg Ogrig2.jpg (50.9 KB, 33 views)
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Last edited by germangsilva; May 4, 2011 at 16:26.
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Old   May 6, 2011, 07:30
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william
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maybe you can split block like this.
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File Type: png 2.png (67.8 KB, 23 views)
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Old   May 6, 2011, 08:23
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Hi hook,

Can you please upload your block file here.
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Old   May 6, 2011, 11:52
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Germán González Silva
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Hi hook,

thank you very much for your time and response. I want to understand what you make.
You made ​​three splits at the side entrance, associated with the two semi-ovals in different blocks. Ogrig Fianalmente you defined with the demi-oval block smaller.

Could you upload the archibo block?

Thanks in advance
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Old   May 9, 2011, 04:01
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Hi germang,

The curve at the side entrance is better captured with an additional split there ( Look into the image sideentrance.jpg) and then you dont need to have two seperate O- grids ( As said in your 3rd step). Select all the blocks and the faces through which the O- grid has to pass ( Look into the image FacesforO-grid.jpg).

Before making the O- grids go to edit associations and snap project all the vertices .When you're done with the O- grids adjust some inner O-grid vertices where ever required. This will yield you a better mesh and shall eliminate the negative quality elements. pre mesh smoothing can improve the quality further.

Hope this helps!
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File Type: jpg sideentrance.JPG (19.3 KB, 17 views)
File Type: jpg FacesforO-grid.JPG (28.0 KB, 10 views)
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Last edited by saisanthoshm88; May 9, 2011 at 07:18.
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