Week 6-Meshing of Hood Challenge
AIM:- Meshing of Hood
Given model:-
Steps Involved:-
. Importing geometry and cleanup.
. Extracting Mid-surface and assigning properties.
. Meshing the surface with in the given quality criteria.
Quality criteria:-
|
S. No |
Quality criteria |
Value |
|
1. |
Aspect ratio |
5 |
|
2. |
Skewness |
45 |
|
3. |
Warping |
15 |
|
4. |
Taper |
0.5 |
|
5. |
Min. Length |
2 |
|
6. |
Max. Length |
8 |
|
7. |
Min Quad Angle |
45 |
|
8. |
Max Quad Angle |
135 |
|
9. |
Min angle Tria |
20 |
|
10. |
Max angle Tria |
120 |
|
11. |
Tria % |
10 |
. To import the geometry, go to file >> Import >> select the file >> Import.
. After importing the geometry, the geometry is checked for any missing surfaces or triple cons. If there are no errors present in the geometry then the geometry is ready for the mid-surface extraction.
. To extract the mid-surface, go to geom >> mid-surface >> select any extraction option >> select the surface >> extract.
. In this challenge offset + plane + sweep is used.
. After extracting the mid-surface, it is checked for any geometrical errors like needle faces, missing surfaces and triple cons.
. If any of the errors present then it should be rectified immediately.
. Now the properties like thickness, material etc.
. Need to be assigned to the mid-surface.
.To assign the properties, select model in database and right click and choose create and then property.
. Now all the properties are entered in the property tab and the properties are assigned to the respective mid-surfaces.
.To assign the properties to mid-surface, right click on the mid-surface and then select assign and select the respective properties which needs to be assigned.
Mesh Generation:-
. The given quality criteria is entered in the element cleanup in the edit criteria option.
. After entering the given quality criteria the mesh is generated.
. The mesh created can be optimized using the tools like split, element optimize, drag tria etc.
. The mesh can be recreated using rebuild mesh in order to create a better mesh.
. After meshing one half of the model, the elements are selected and it can be reflected using reflect option in the tool option.
. After reflecting the elements to the other side,the free edges are to be checked and it can be fixed using equivalence option in the edges option under tool option.
Inner latch:-
outer extract:-
latch:-
Hinge Reinforcement Extract(Mid Surface):-
Conculision:-
. We successfully fix the missing surface.
. Successfully created mid surface for given component.
. Meshed the component within quality criteria.