Tetra volume meshing of rear view mirror using ANSA preprocessor

Tetra volume meshing of rear view mirror using ANSA preprocessor

Aim:

1. Geometry checking .
2. Surface meshing with ortho tria and tria elements
3. Volumetric meshing of 2d elements for structural analysis.

Procedure:

1. Import geometry, do TOPO and check for any defects using checks manager.

2.Mesh the surface. Curved surface meshed using ortho tria and the plane surface using tria elements. Spot mesh is used for above purpose. Ortho tria elements take more time for simulation purposes.

3.Assign PID for the volume elements and assign volume name for eacch of the closed surfaces.

4.Tetra FEM mesh is used to create the required volumetric mesh.

5.A cut is used to ccheck the interior meshing. The volume mesh is found to be unstructured.

Learning outcomes:

1. Understood structured and unstructured mesh. Below image shows the difference. hex elements are used for structured meshing.

2.Volumetric meshing methods

3.Eliminating volume mesh errors such as collapse

Conclusion:

The unstructured mesh is produced by tetra mesh on the given model within given quality criteria.

Link:https://drive.google.com/file/d/1DBx_SisGnVa-Ip4CpOABLGpy790_3fc2/view?usp=sharing