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-   -   [ICEM] mesh check failed (https://www.cfd-online.com/Forums/ansys-meshing/120601-mesh-check-failed.html)

 zacfranki July 10, 2013 10:46

mesh check failed

1 Attachment(s)
Hi everyone,
i have built a mesh on icem 14, when i exoprt the mesh in fluent and i try to do the check, it fails. The problem is that there are some faces with too small area, and there are elements with the minimum Orthogonal Quality below 0.01.
Please, help me

David

 Far July 10, 2013 12:12

use ogrid to enhance the quality

 zacfranki July 10, 2013 15:32

2 Attachment(s)
Hi,
thank you for the answer. I've already made the o grid, but the problem is that the mesh finishes in one point (i attach here two picture), and i think that's the real problem.

David

 cesarcg July 10, 2013 16:12

Is the geometry 2D? can you post some pictures of your blocking strategy?

 zacfranki July 10, 2013 16:34

1 Attachment(s)
Yes, it's a 2D geometry used to model a vessel partially filled of liquid. I attach the block strategy.

David

 cesarcg July 11, 2013 01:17

Hi zacfranki,

Did you draw the line at the top of the circle to represent the level of the liquid filling the vessel? I think that you should also snap the vertices of the exterior block to the curves. Let me know if you have in mind something else to try.

Regards

 zacfranki July 11, 2013 10:19

1 Attachment(s)
Hi,
i solve the problem with the vertex moving of the external block to the circle. Thanks.

David

 adunne304 July 11, 2013 10:57

Your mesh is still pretty poor quality. What you should do is associate your outer blocking edges to the circle and then snap them to it. Next, use the spline tool to curve the block edges; that'll fit the mesh to the outer circle better.
Next move the vertexes of your inner (o-grid) block to some arbitrary points well within your circle.
that'll get rid of those skewed elements at the corners.

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