Finite element buckling analysis of frames with flexible connections (CROSBI ID 132196)
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Turkalj, Goran ; Vizentin, Goran ; Brnić, Josip ; Lanc, Domagoj
engleski
Finite element buckling analysis of frames with flexible connections
Semi-rigid connections and their influence on the elastic buckling load value of frame structures are considered. A numerical FE method is presented. Equilibrium equations of a buckled beam member are derived applying linearized virtual work principle. Connection stiffness is taken into account by modifying conventional stiffness matrices, thus obtaining a hybrid beam element which enables the integration of semi-rigid connections in stability analysis. Stability analysis is treated as an eigenvalue problem.
stability; semi-rigid connections; semi-rigid frames; hybrid beam element; FEM
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