Non-linear global stability analysis of thin-walled laminated beam-type structures (CROSBI ID 229271)
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Pešić, Igor ; Lanc, Domagoj ; Turkalj, Goran
engleski
Non-linear global stability analysis of thin-walled laminated beam-type structures
The paper presents an algorithm for buckling analysis of thin-walled laminated composite beam-type structures. One-dimensional finite element is employed under the assumptions of large displacements, large rotation effects but small strains. The equilibrium equations of a prismatic and straight spatial beam element are formulated using the virtual work principle. Stability analysis is performed in load deflection manner using corotational formulation. The cross-section mid-line contour is assumed to remain not deformed in its own plane, whereas the shear strains of middle surface are neglected. Laminates are modelled on the basis of classical lamination theory. Results have been validated on test examples.
Stability ; Buckling ; Composite ; Laminate ; Criti
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Povezanost rada
Građevinarstvo, Strojarstvo, Temeljne tehničke znanosti