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Problem in element nodal stresses

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Posts: 11
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(@artiger)
Active Member
Joined: 15 years ago

Hello

I have used C3d8 elements in abaqus for modeling of soil. I have a problem in some elements, all stresses at integration points of element are negative but stresses at some of element nodes are positive, how can I solve this problem.

Please guide me.

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Posts: 3998
(@jorgen)
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Joined: 5 years ago

The stresses at the integration points are directly calculated, but the stresses at the nodes are interpolated. You can (perhaps) get the results that you mentioned if you have steep gradients in the stress. Can you use a finer mesh?

-Jorgen

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