Challenge

Project 1 - Meshing of Floor Panel

OBJECTIVE:

To Mesh the component by using the quality criteria below and assign thickness.

S.N Quality Criteria  Value 
1 Aspect Ratio  5
2 Skewness 45
3 Warping 15
4 Taper      0.5
5 Min. Length 2mm
6 Max. Length 8mm
7 Min angle Quad 45
8 Max angle Quad 135
9 Min angle Tria 20
10 Max angle Tria 120
11 Tria %  10

Target Element Length = 5mm.

1. First of all go to Import Solver Deck > lmport Geometry > File type: STEP > Choose File > Import. The geometry is imported.
 
2. Then go to Features Tree > Components > Hide all the components except the parent model
 
Parent model:
 
Step 2: Clearing the geometry
 
Path: Tools > checks > geometry>execute.
  • If there is any geometric error fix them using the 'auto fix' option.
  • Some errors will not be auto-fixed, we have to fix them manually.
Step 3: Assigning the length
  • First of all, give a topo to paste all the cons together.(Topo module>Faces>topo)
  • Then assign the length as 1mm to check the Quality.(Mesh module>parameters>Length)
  • Assign both parameters and macros as 1mm.

Step 4: Generating the mid-surface

  • To Generate the mid surface of the given cad model we have two choices 'Manually' or 'Automatically'.
  • Manually: Topo module>Faces > 'offset' or 'middle'.
  • Automatic: Topo module>Faces >'mid-surfacing'.

Here, I choose to do it manually using the 'offset' option.

  • Select the 'offset' option then select 'Features' from the features selection and generate the mid surface.

Generated Mid-surface

5) After generating the mid-surface assign a separate property to the mid-surface.

6) Then check for the geometry and clear the errors if any.

7) After clearing the geometry, generate the mesh using 'Best' or 'Free'.

8)Mesh module>mesh generation>Best or Free.

9)Select the 'Best' option then select 'Features' from the features selection. Generate the mesh flow.

11)Check the mesh flow. And then remesh the improper mesh area.

12) F10 > Quality Criteria > Enter the Given Criteria.

13) Remesh: Mesh > Shell Mesh > Reconstruct

      Remesh: Mesh > Shell Mesh > Smooth

14) If the improper mesh didn't rectify by remesh then correct it manually using 'Move'.

      Mesh > Grids > Move

RESULT AND CONCLUSION:

Therefore, The Midsurface for each component extracted separately by using the given element thickness. And by doing the proper Mesh by using the given Quality Criteria.
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