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Search: Posts Made By: PSYMN
Forum: ANSYS Meshing & Geometry February 13, 2012, 12:15
Replies: 14
Views: 4,839
Posted By PSYMN
From your other posts, you understand mesh...

From your other posts, you understand mesh refinement.

Now for the Ogrid... Imagine the block behind your object (lets imagine a 2D case)... it is one block and the mesh is propagated across it...
Forum: ANSYS Meshing & Geometry February 10, 2012, 17:51
Replies: 14
Views: 4,839
Posted By PSYMN
We often use OGrids to fold mesh over to refine a...

We often use OGrids to fold mesh over to refine a wake region...

Or you could refine blocks... Fluent supports hanging nodes, but CFX requires you to setup a 3to1 refinement and then resolve...
Forum: ANSYS Meshing & Geometry February 8, 2012, 21:03
Replies: 14
Views: 4,839
Posted By PSYMN
On the fin tip, you have tight geometry...

On the fin tip, you have tight geometry constraints... It is very difficult to get good quality if you turn the Ogrid around right there... But if you let the ogrid extend one block past the tip...
Forum: ANSYS Meshing & Geometry January 11, 2012, 12:26
Replies: 14
Views: 4,839
Posted By PSYMN
It is up to you, but I think it sounds like you...

It is up to you, but I think it sounds like you still have quarter symmetry... You just have an interesting symmetry plane if you cut the symmetry plane to go right thru one of the fins (which is...
Forum: ANSYS Meshing & Geometry January 11, 2012, 11:47
Replies: 14
Views: 4,839
Posted By PSYMN
It is a very suitable candidate for ICEM CFD...

It is a very suitable candidate for ICEM CFD Hexa... pretty commonly done.

Take a quarter symmetry model and put it in a quarter cylinder... Hex mesh it with an Ogrid topology. The only tricky...
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