Week 11-3D Tetra Meshing Challenge

                                  MODEL 1

AIM: To perform tetra mesh on the given housing component by the method of 2D mesh to 3D 
      mesh

PROCEDURE:

1. Model in step file is imported to the hyper mesh.
2. Model is checked for missing sufaces or deformations.
3. Geometric clearance is done to avoid mesh failure due to minimum length criteria.

4.Quality criteria for the mesh is provided  (Min length,max length and Target length)

5.From 2D mesh option,suface is selected for meshing and only tria mesh is selected

6.Meshing is done  seperately in two collectors.

7. All the failed elements both max length failure and min length failures are corrected   
   by using mesh cleanup tools(place node and element optimization)

8.  After 2D meshing, from the 3D option tetra mesh option is selected.
9. From this option , in tetra mesh option tet collpase value is given and from tetra   
   mesh option by selecting the elements , tetra mesh is created.

10. From tool option,check elem option is selected and the elements failing for tet 
    collapse criteria is checked bu providing the value.

11. The failed elements are corrected by using distance and tetra remesh option.

                                                                           MODEL 2

AIM: To perform Tetra mesh on the given component by using volume mesh option.

PROCEDURE:

1.Model in IGES format is imported to the hypermesh.
2.Model is checked for deformations or missig surfaces.
3.Geometric clearance is done on the model by providing the target element to avoid error 
  in meshing.

4.volume mesh from tetra mesh option in 3D by selecting the whole solid is used to 
  perform tetra mesh directly.

5.Target element length and tet collpase value is provided before meshing .

6.Tet collapse are formed during meshing, this is corrected by using tetra remesh and 
  distance options

                                      Failed Elements

 

                                                                   Zero tet collapse

                                                                                 MODEL 3

AIM: To perform tetra mesh on the given component by volume tetra mesh method.

PROCEDURE:

1.The model file in IGES format is imported to hypermesh.
2.Model is checked for any surface deformation ,missing or topology errors.
3.Model is organised in 5 collector and the meshing will be conducted respect to each 
  collector. 

4.Component in each collector is selected and the defromations,missing and topology 
  errors are checked.
5.Automatic geometric cleanup is done by providing the target element length to reduce 
  tet collapse error from 2D

6.Tetra meshing is done by using volume tetra option from tetra mesh option in 3D by 
  selecting surface frim volume tetra panel.

7.Target element length and tet collpase value is provided before meshing.

                       

                                                                                 Collector 1

    Zero tetcollapse error

                                                                            Collector 2

 

  Zero tetcollapse error

 

                                                         Collector 3,4 & 5

Zero tetcollapse error

RESULT: 

 Performed tetra mesh on all the models with different methods and cleared tet collapse 
 failure in all the meshed models