FE stability analysis of elastic frames accounting for connections flexibility (CROSBI ID 132197)
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Podaci o odgovornosti
Turkalj, Goran ; Vizentin, Goran ; Lanc, Domagoj
engleski
FE stability analysis of elastic frames accounting for connections flexibility
Flexible connections and their influence on the elastic buckling load value of frame structures are considered. A numerical approach based upon 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 flexible connections in stability analysis. Stability analysis is treated as an eigenvalue problem.
elastic frames; flexible connections; stability analysis
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Podaci o izdanju
51(65) (2)
2006.
41-49
objavljeno
1224-6069