Challenge

Modeling the given components with 2d shell elements in Hypermesh

Objective: To model the given geometry using 2d shell elements in Hypermesh.

Quality criteria:

S.N Quality Criteria Value
1 Target Element Length 5
2 Min. Length 3.5mm
3 Max. Length 7mm

Procedure:

  1. Part 1:
    1. Import the given geometry in Hypermesh.
    2. Check for topological errors such as missing or distorted faces. The free edges are removed using tools under the quick edit and surface edit panels.
    3. The mid-surface is generated using the auto mid-surface panel in the geometry menu.
    4. The mid-surfaces generated is assigned its respective thickness by defining properties with correct thickness and then assigning these properties to the mid-surface.
    5. The quality criteria were defined by pressing F10 on the keyboard and editing the settings.
    6. The mid-surface generated is defeatured for achieving a better mesh pattern.
    7. Now we have to mesh the Mid-surface generated. The auto-mesh tool was used for this purpose. The target element length was set as 5 mm and the mid-surfaces were modeled using quad and tria elements.
    8. Tria elements were avoided. The mesh was cleaned for good quality. The element connectivity is also checked.
    9. To visualize the mesh with thickness, turn on the detailed 2d element representation option.
  2. Part 2:
    1. Import the given geometry in Hypermesh.
    2. Check for topological errors such as missing or distorted faces. The imported geometry did not have any free edges.
    3. The mid-surface is generated using the auto mid-surface panel in the geometry menu.
    4. The mid-surfaces generated is assigned its respective thickness by defining properties with correct thickness and then assigning these properties to the mid-surface.
    5. The quality criteria were defined by pressing F10 on the keyboard and editing the settings.
    6. The mid-surface generated is defeatured for achieving a better mesh pattern.
    7. Now we have to mesh the Mid-surface generated. The auto-mesh tool was used for this purpose. The target element length was set as 5 mm and the mid-surfaces were modeled using quad and tria elements.
    8. Tria elements were avoided. The mesh was cleaned for good quality. The element connectivity is also checked.
    9. To visualize the mesh with thickness, turn on the detailed 2d element representation option.
  3. Part 3:
    1. Import the given geometry in Hypermesh.
    2. Check for topological errors such as missing or distorted faces. The imported geometry did not have any free edges.
    3. The mid-surface is generated using the auto mid-surface panel in the geometry menu.
    4. The mid-surfaces generated is assigned its respective thickness by defining properties with correct thickness and then assigning these properties to the mid-surface.
    5. The quality criteria were defined by pressing F10 on the keyboard and editing the settings.
    6. The mid-surface generated is defeatured for achieving a better mesh pattern.
    7. Now we have to mesh the Mid-surface generated. The auto-mesh tool was used for this purpose. The target element length was set as 5 mm and the mid-surfaces were modeled using quad and tria elements.
    8. Tria elements were avoided. The mesh was cleaned for good quality. The element connectivity is also checked.
    9. To visualize the mesh with thickness, turn on the detailed 2d element representation option.

Result & Conclusion :

  1. The given components were modeled using 2d shell elements and correct thickness was assigned to the mid-surface using a generic property.
  2. All the off elements were cleared and a good mesh flow was achieved in all the components.

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