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Post-critical behavior of thin-walled composite beams
AbstractThe nonlinear dynamic equations for axially compressed anisotropic thin-walled beams are discretized by means of Fourier expansion and Galerkin procedure obtaining a set of nonlinear ordinary differential equations. Based on these ordinary differential equations the buckling and initial post-buckling behavior is analysed. The formulas for initial post-buckling slope and curvature are derived. In the case where the compressed force is a harmonic function of time, the frequency range and amplitudes of the parametric resonance (instability) are calculated.
Post-critical behavior of thin-walled composite beams
AbstractThe nonlinear dynamic equations for axially compressed anisotropic thin-walled beams are discretized by means of Fourier expansion and Galerkin procedure obtaining a set of nonlinear ordinary differential equations. Based on these ordinary differential equations the buckling and initial post-buckling behavior is analysed. The formulas for initial post-buckling slope and curvature are derived. In the case where the compressed force is a harmonic function of time, the frequency range and amplitudes of the parametric resonance (instability) are calculated.
Post-critical behavior of thin-walled composite beams
Mao, Renjie (author) / Ling, F.H. (author)
Thin-Walled Structures ; 18 ; 291-316
1993-07-13
26 pages
Article (Journal)
Electronic Resource
English
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