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eigenvalue buckling ansys , finding Stress

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eigenvalue buckling ansys , finding Stress

eigenvalue buckling ansys , finding Stress

(OP)
Hello Eng Tips,
I have computed the eigenvalue buckling analysis in Ansys. I have obtained the load multiplier and the deflection. How do I get the stress associated with this loading?
Not the equivalent stress, but the bending stress associated with the buckling loading?

Thank you.

RE: eigenvalue buckling ansys , finding Stress

Linear buckling analysis won’t give you real displacements or stresses. If you need their values, run nonlinear buckling simulation (as regular static analysis but with geometric nonlinearity).

RE: eigenvalue buckling ansys , finding Stress

Also, be very careful if this is a shell structure, like a silo or similar. You will be grossly overestimating the capacity of such structures using an eigenvalue buckling.

RE: eigenvalue buckling ansys , finding Stress

(OP)
Thank you everyone.

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