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Run nonlinear analysis to determine the stiffness of the structure at the end of a nonlinear case. Then run buckling analysis starting at the end of this nonlinear case. Verify

In nonlinear P-Delta Large Displacement analysis, what happens to the solution if a member reaches its buckling capacity?

The analysis will typically run into convergence problems. Verify

Does the buckling analysis include the effect of shear deformations?

Yes, the buckling analysis included the effect of shear deformations. For models in which shear deformation govern, this may cause the calculated buckling factors not to match the theoretical critical load. The user can eliminate the impact of shear deformations on the buckling behavior by setting large property modifiers for shear areas in 2 and 3 directions.Email | date = 081124 | from = rs | to = ok | subject = RE: Incident number-16414 Verify

Why applying lateral force does not reduce buckling factors for a cantilever column?

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Reference: see Internal References

References

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