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Forum: ANSYS Meshing & Geometry

November 17, 2010, 12:32

Replies: 20

[ICEM] trouble with small angles

Views: 5,921

Posted By johnp

getting there...

i couldn't find a way to change the tri location, so i just starting blocking from the beginning. i created the wedge before any associations, so i have a wedge plus C-grid around the entire domain....

Forum: ANSYS Meshing & Geometry

November 15, 2010, 17:36

Replies: 20

[ICEM] trouble with small angles

Views: 5,921

Posted By johnp

Simon, Thanks for the instructions on...

Simon,

Thanks for the instructions on generating the wedge block. I think the blocking is correct (figs 1&2), but the prism (2D tri) elements are not aligned on the bank edge (fig 3). Is there...

Forum: ANSYS Meshing & Geometry

November 12, 2010, 12:44

Replies: 20

[ICEM] trouble with small angles

Views: 5,921

Posted By johnp

Simon, I had something like this in...

Simon,

I had something like this in mind but I wasn’t able to get it to work. I have attached an image that I hope is what you requested (not sure what a scan or index plane are). The image...

Forum: ANSYS Meshing & Geometry

November 12, 2010, 08:42

Replies: 20

[ICEM] trouble with small angles

Views: 5,921

Posted By johnp

finally...

Thanks for all the suggestions. I've been working on a hexa mesh the last couple of days and, as many of you stated, it worked much better. I've attached the basic blocking structure which is a...

Forum: ANSYS Meshing & Geometry

November 10, 2010, 10:58

Replies: 20

[ICEM] trouble with small angles

Views: 5,921

Posted By johnp

hexa

Galap,

I have been working on a hexa mesh the last two days. The reason I initially avoided it is due to a section of the geometry that is not shown in the figure. There is a bend in the channel...

Forum: ANSYS Meshing & Geometry

November 9, 2010, 16:58

Replies: 20

[ICEM] trouble with small angles

Views: 5,921

Posted By johnp

Hi Examosty, sorry to say I haven't resolved...

Hi Examosty,

sorry to say I haven't resolved the issue. I found that lowering the edge requirement to a point helped. However, after it was reduced past some critical value, strange things...

Forum: ANSYS Meshing & Geometry

November 4, 2010, 15:06

Replies: 20

[ICEM] trouble with small angles

Views: 5,921

Posted By johnp

more figures

Here are figures showing the mesh with curves and just the curves alone after running "Build Diagnostic Topology". The view is looking downstream from above the channel, flow is approximately in the...

Forum: ANSYS Meshing & Geometry

November 4, 2010, 09:23

Replies: 20

[ICEM] trouble with small angles

Views: 5,921

Posted By johnp

thanks for the suggestions. I did use the "build...

thanks for the suggestions. I did use the "build topology" function and it found no problems. I further deleted some curves and points that were not necessary. I have defined the thin cuts as between...

Forum: ANSYS Meshing & Geometry

November 3, 2010, 21:59

Replies: 20

[ICEM] trouble with small angles

Views: 5,921

Posted By johnp

trouble with small angles

Hello,

I’m having some difficulty meshing a geometry that has some small angles between surfaces. The geometry represents the topology of a river channel. I have provided the channel bottom...

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