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Optistruct Result analysis (NL Geom)

User: "Altair Forum User"
Altair Employee
Updated by Altair Forum User

I did a Non linear Analysis using Optistruct.....its basically 2 components having contact pair. In the lower clip region, i apply different forces with 1N,100N & 1000N. while the upper clip is constraint.

 

In all the cases,(with different forces) i am getting the similar results.....in 'displacements and element stresses'. can you suggest what could be the reason for this ?

 

Stress : 0.4467

Displacement : 0.05166  for all the cases, which seems very unrealistic.

 

Please see the attached picture.

 

thanks.

<?xml version="1.0" encoding="UTF-8"?>post-36170-0-03749700-1434467283_thumb.j

<?xml version="1.0" encoding="UTF-8"?>post-36170-0-61170400-1434467291_thumb.j

<?xml version="1.0" encoding="UTF-8"?>post-36170-0-69419500-1434467391_thumb.j

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