The problem of linear buckling analysis of a structure is formulated and solved through the problem of eigenvalues.
For each required buckling mode, critical load coefficients (eigenvalues) and eigenvectors are determined.
To apply a buckling deformation, define a buckling analysis case, and then perform structure calculations.
The change of the structure geometry results in the deletion of the deformed structure. Therefore, it is necessary to run the structure calculations again for the initial structure - with the new buckling modes - and for the deformed structure.
The results are then displayed on the deformed structure, whereas the nodal displacements are specified in relation to the initial geometry.