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modeling of a tensile test

Altair Forum User

Hello,

I am trying to model a simple tensile test with HyperMesh and the solver OptiStruct, however the results I obtain are inconsistent regarding the stresses. The detail of how I implemented the model and how I used results is in the attached document.

Please tell me what I have done wrong.

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tinh

Hi,

You do right, but see wrong /emoticons/default_biggrin.png' srcset='/emoticons/biggrin@2x.png 2x' title=':D' width='20' />

It's because stress components are not output in red-green-blue coordinate system

so it's ok if you select Global System in 'resolved in' when using hyperview

Altair Forum User

Thank you very much /emoticons/default_smile.png' srcset='/emoticons/smile@2x.png 2x' title=':)' width='20' />

Altair Forum User

Hi,

I come back to this problem, I would like to model what happens beyond the yield stress that is in the plastic field. Is it possible to do with OptiStruct?

Thank you,

Thomas

tinh

Ofcourse it is possible

Please refer to tutorial OS-1500 in Help>Altair help home> Optistruct ...>Tutorial >Large Disp...