[cpd29]

I am relatively new to ICEM tool and using it for my masters thesis. I am currently in the blocking step and have a difficult geometry feature that I don't know the best way to mesh. I want to use hexa-mesh but the mesh comes out poor quality. Any tips on how to mesh the indicated area (see attachment partition_hole.gif) would be greatly appreciated. I haven't used o-grids and not sure what those are...would it help? I have spent way too much time on this and desperately need some pointers and i havent seen many useful training tools out there.

Thanks!
Colleen

partition_hole.gif

whole_model.gif

[rikio]

Colleen,

It is a simple geometry to mesh in hex. O-grid should be used to improve quality, and high quality mesh is very easy to be obtained.
Regarding what are O-grid, please take a look at the documentation and tutorials. They will tell you what they are.

[cpd29]

If I show you what I have so far for meshing, would you be willing to give me pointers? I can send you a picture or the actual file.

Thanks
Colleen

[rikio]

OK, I think it won't take much time to show you a solution. Just send me the .tin file.

[pratikmehta]

Hi,
It seems not so difficiult to mesh this by blocking strategy, O grid surely help but before you need to try some blocking tutorial otherwise you willl spend too much time in just Hex blocking this one. I suggest you can also go for tet mesh with prism layers and see how are the results ,in the mean time you can try hex blocking this geometry .

Best of luck

[cpd29]

See attached file for the .tin file. As you can see, I started the blocking around the curved geometry. I've tried several methods that didn't give a good mesh so this is basically where I started from. The problem is at the corners...not sure what to do about the blocking and mesh there. Any help is much appreciated!

Thanks
Colleen

baseline_turbulators1_meshing.zip

[pratikmehta]

Hi,

I had a quick look, n i could spot many duplicate curves , first thing you should do is to put all curves in a same family , Unfortunately at work i cannot do things not concerning to work , also we dont have blocking licence anymore , may be in my free time I can suggest you a strategy for blocking.

best of luck

[fauka]

Since the model is symmetric, I used half symmetry. Check out the blocking.

[rikio]

Hi,

I post a solution, just meshed section you concern.

[cpd29]

Thank you all sooo much for your help! Your solutions really helped me and i can make progress on my thesis again. Again thanks! :-)

[amitdesh1]

Hi Colleen,

For the model you are working on, ICEM hexa can work very well. Give 2 transverse splits where you are having this step. Generate a through and through O-grid. Only in the region of this step, put the outer 4 blocks in the family "VORFN". Now the projection of edges would automatically change from "Edge-> none" to "Edge-> Surface". Map the related vertices accordingly.

Hope this helps.

Thanks,
Amit