Learning Forum

[Emperor]

Hello, 

I would like to call on your expertise in meshing. I would like to mesh in hexa a pice, but there is a part a bit complex (see picture). Does anyone have an idea?

best regards

[peteroznewman]

Tet mesh this.

[Emperor]

Hi @pertoznewman, 

it's a mesh for speed dynamics (centrifugal), so I have to hexa mesh. The corners are complicated but I can make slight modifications. 

Do you have any ideas ?

[Sahil Sura]

Hi @Emperor,
Try using the Multizone Meshing method, which has a way over sweep meshing. More on that can be found on the links below- MultiZone Meshing (ansys.com)
You might want to adjust the mesh at some locations by using edge sizing, etc., and other mesh controls.
Hope that helps!

Thanks,
Sahil

[peteroznewman]

 

@Emperor

What do you mean by “speed dynamics”?  Do you mean Explicit Dynamics?  I understand that requires linear elements, but the implicit solver used for dynamics problems can work with quadratic tetrahedral elements. The benefit of tet elements is you can get a result quickly with a coarse mesh and very easily refine the mesh where needed. Contrast that with the time you will spend simplifying the geometry and slicing it up to get a hexa mesh, and how difficult it is to refine the mesh later. This is why I recommend a quadratic tet mesh.