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Forum: ANSYS Meshing & Geometry

July 27, 2010, 19:07

Replies: 17

[ICEM] Solar Water Heater Mesh Problem.

Views: 3,611

Posted By PSYMN

The only thing I would have done differently...

The only thing I would have done differently would be to create those Ogrids a little bit bigger than the holes, then split the Ogrid and associate the new split with the hole... This way you have...

Forum: ANSYS Meshing & Geometry

July 27, 2010, 08:29

Replies: 17

[ICEM] Solar Water Heater Mesh Problem.

Views: 3,611

Posted By PSYMN

Me either

Hey Lambert22, sorry, but I have no idea what situation you don't have any idea about and the link didn't show me much more... If you have a question, please rephrase. :confused:

Forum: ANSYS Meshing & Geometry

July 22, 2010, 14:40

Replies: 17

[ICEM] Solar Water Heater Mesh Problem.

Views: 3,611

Posted By PSYMN

Two ways... Fix at the blocking level or uns mesh level.

How do you want it to behave?

Do you want a nice round circle of mesh representing each boco? If so, you just need to block it out. First, split to capture the rough square around the circle...

Forum: ANSYS Meshing & Geometry

July 20, 2010, 09:31

Replies: 17

[ICEM] Solar Water Heater Mesh Problem.

Views: 3,611

Posted By PSYMN

Good enough...

Mesh is improved by adjusting blocking angles and distributions, but you are still fitting to a real model. You will find that if you improve some mesh by adjusting the angle of the block (my moving...

Forum: ANSYS Meshing & Geometry

July 19, 2010, 11:56

Replies: 17

[ICEM] Solar Water Heater Mesh Problem.

Views: 3,611

Posted By PSYMN

Iso Parametric Curve

Oh yea, one more thing...

At the ends of the big pipe, you have two curves, one on either side of the fillet...

If you can create a curve down the middle of the fillet (Create an ISO Parametric...

Forum: ANSYS Meshing & Geometry

July 19, 2010, 11:51

Replies: 17

[ICEM] Solar Water Heater Mesh Problem.

Views: 3,611

Posted By PSYMN

Topology fix

First, getting up to 0.1 or 0.2 should be enough for most solvers... Also check your angles to make sure the worst is mostly greater than 18 degrees with only a few in the 9 to 18 degrees column and...

Forum: ANSYS Meshing & Geometry

July 19, 2010, 09:39

Replies: 17

[ICEM] Solar Water Heater Mesh Problem.

Views: 3,611

Posted By PSYMN

Blocking Topology

I am talking about blocking topology... You lay out your blocking in a certain way. In this case your topology leads to hexas being squished against the corners of the tank... This is where you...

Forum: ANSYS Meshing & Geometry

July 18, 2010, 16:31

Replies: 17

[ICEM] Solar Water Heater Mesh Problem.

Views: 3,611

Posted By PSYMN

Topology.

Oh yea, TGrid wouldn't have much chance of fixing this hexa mesh, your best bet is to create a good topology first... Then you won't need to fix it.

Forum: ANSYS Meshing & Geometry

July 18, 2010, 16:30

Replies: 17

[ICEM] Solar Water Heater Mesh Problem.

Views: 3,611

Posted By PSYMN

Bad hexa...

Smoothing can't fix bad topology...

In this case you should have an O-Grid thru your tank (like you do for your pipes). This would avoid the bad elements in the "corners" of the tank...

To...

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