Tool Test 1

Tool test 1

OBJECTIVE

In this challenges we have to extract mid-surface For the given component, check for the geometrical errors and mesh with the given element Quality criteria. After meshing the components, the thickness has to be assigned.

S.No	Quality Criteria	Value
1	Target/Average length	4
2	Minimum Length	2
3	Maximum Length	6
4	Aspect	3
5	Warpage	15
6	Skewness	45
7	Jacobian	0.7
8	Minimum Quad Angle	45
9	Maximum Quad Angle	135
10	Minimum Tria Angle	30
11	Maximum Tria Angle	120
10	Tria Percentage	15

PROCEDURE

• Import the model into the ANSA and check the property, thickness etc.

• Then go to utilities – checks – geometry check to do geometry check whether any free edges, cracks on the surface of the components.

• Then topo the surface to clear the free edges and unwanted cuts.
• Then give the topo – faces – orient to orient the all surface.
• Measure the thickness of the components.

• Then extract auto mid-surface by topo – faces – mid-surfaces – skin but the auto mid-surface shows error so we go for manual mid-surface using topo – faces – offset and use

  topo – faces – middle to extract middle surface of the ribs.

• Then create new PID for the mid surface of the components and assign thickness.
• Before meshing the components give perimeter length and macros length, by mesh – perimeter – length.
• Then give the mesh parameters in utilities – mesh parameters.

• Then give quality criteria by clicking F11.

• Then to achieve the quality use mesh – shell elements – reconstruct/smooth.

CONCLUSION

Finally the bottle cap CAD geometry is converted into FEA model with required quality parameters by extracting the mid-surface and assigning the thickness.

LEARNING OUTCOMES

In this tool test learnt how to extract the mid-surface of the plastic component and converting them into FEA model within a particular time. it takes 4hr for switch geomentry and 2.30hr fir ip to converte them to FEA models.