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Hybrid beam element for stability analysis of semi-rigid frames (CROSBI ID 519896)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Turkalj, Goran ; Vizentin, Goran ; Brnić, Josip Hybrid beam element for stability analysis of semi-rigid frames // Proceedings of the 5th International Congress of Croatian Society of Mechanics / Matejiček, Franjo (ur.). Zagreb: Hrvatsko društvo za mehaniku (HDM), 2006. str. CD-ROM-x

Podaci o odgovornosti

Turkalj, Goran ; Vizentin, Goran ; Brnić, Josip

engleski

Hybrid beam element for stability analysis of semi-rigid frames

Semi-rigid connections and their influence on the elastic buckling load value of frame structures are presented. Equilibrium equations of a buckled beam member are derived applying linearized virtual work principle, St. Venant torsion theory and Euler-Bernoulli flexural theory. Deformations prior buckling are neglected, while material is assumed to be homogeneous, isotropic and linear-elastic. The hybrid S-R (semi-rigid) beam element for modelling of frames containing connections of various rigidity is presented. Elastic and geometric stiffness matrices of the S-R element are derived by a special transformation of the conventional beam element stiffness matrices. Stability analysis is treated as an eigenvalue problem. On the basis of the aforementioned numerical algorithm, the computer program EIGEN-SR is developed. Accuracy of the programme is verified through appropriate examples proving, thus, the modeling of frames as semi-rigid ones is justified.

stability; semi-rigid connections; semi-rigid frames; hybrid beam element; FEM

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Podaci o prilogu

CD-ROM-x.

2006.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of the 5th International Congress of Croatian Society of Mechanics

Matejiček, Franjo

Zagreb: Hrvatsko društvo za mehaniku (HDM)

Podaci o skupu

5th INTERNATIONAL CONGRESS OF CROATIAN SOCIETY OF MECHANICS

predavanje

21.09.2006-23.09.2006

Trogir, Hrvatska

Povezanost rada

Građevinarstvo, Strojarstvo, Temeljne tehničke znanosti