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Mapping buckled mode shape into mesh for non linear buckling analysis

Question asked by Stephen Callegari on Sep 2, 2015
Latest reply on Sep 4, 2015 by Stephen Callegari

Is there a means to map the buckled mode shape from an eigenvalue buckling analysis to a shell mesh of a pipe?

This is one way of modeling a perturbation for a non linear buckling analysis.

 

Other softwares can take the node location of the buckled mode shape and remesh to induce a

perturbation in the column to get the bucklign started in a nonlinear analysis.

 

If anyone has a literature reference for another method of inducing the perturbation, say by a force.

that would be helpful as well.

 

Thanks,

 

Steve

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