Results 321 to 330 of about 326,768 (380)
To buckle or not to buckle [PDF]
Nature Materials, 2019 Epithelial layers under compression avoid buckling by active contraction, but only up to a well-defined threshold at 35% strain, beyond which buckling occurs.
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Buckling loads of nano-beams in stress-driven nonlocal elasticity
Mechanics of Advanced Materials and Structures, 2020Size-dependent buckling of compressed Bernoulli-Euler nano-beams is investigated by stress-driven nonlocal continuum mechanics. The nonlocal elastic strain is obtained by convoluting the stress field with a suitable smoothing kernel.
R. Barretta +4 more
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, 2020
In this work, the buckling analysis of material sandwich plates based on a two-parameter elastic foundation under various boundary conditions is investigated on the basis of a new theory of refined trigonometric shear deformation.
Sara Chelahi Chikr +8 more
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In this work, the buckling analysis of material sandwich plates based on a two-parameter elastic foundation under various boundary conditions is investigated on the basis of a new theory of refined trigonometric shear deformation.
Sara Chelahi Chikr +8 more
semanticscholar +1 more source
Buckling and Post-Buckling of a Pumpkin Balloon
51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference<BR> 18th AIAA/ASME/AHS Adaptive Structures Conference<BR> 12th, 2010Pumpkin shaped balloon has been playing an important role in many space science explorations. This paper presents a computational study of buckling and post-buckling behavior of a 10 m diameter, 145 lobe pumpkin balloon, with lobes of approximately uniform radius. The ABAQUS commercial finite-element package is used.
Xu, Y, Chen, WJ, Chen, MZ
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Buckling and Post-Buckling of Spherical Caps
Journal of the Engineering Mechanics Division, 1971The results of a numerical study of the buckling and initial post-buckling behavior of clamped shallow spherical shells under axisymmetric band type loads are presented. This behavior is studied, first, for a cap with fixed geometry when the radial location of a band load of constant width is allowed to vary; second, for a cap with fixed geometry under
Nuri Akkas, Nelson R. Bauld
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Buckling and post-buckling of graphene tubes
Mechanics of Advanced Materials and Structures, 2015AbstractBuckling and post-buckling of a long, thin, inextensible tube made of graphene material acted upon by a uniform normal pressure are considered. A system of differential equations governing the equilibrium states of such a tube is derived.
Dongming Wei +3 more
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Revisiting topology optimization with buckling constraints
Structural And Multidisciplinary Optimization, 2018We review some features of topology optimization with a lower bound on the critical load factor, as computed by linearized buckling analysis. The change of the optimized design, the competition between stiffness and stability requirements and the ...
Federico Ferrari, O. Sigmund
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Buckling and post-buckling of beams with flat webs
Thin-Walled Structures, 2005Post-buckling of a stiffener beam subjected to single shear load was experimentally investigated. The results were analysed using Wagner theory and non-linear finite elements. A new method was proposed to study the postbuckling behaviour. Each panel is divided into two zones.
Barrau, Jean-Jacques +2 more
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Membrane Buckling Patterns and Secondary Buckling Analysis [PDF]
International Journal of Space Structures, 2008 In this paper, the shear wrinkles of a rectangular membrane under the pretension were analyzed firstly. A critical shear distance was then obtained based on the tension field theory. An expression between the wavelength and the amplitude of the membrane wrinkles were developed using the Von Karman large deflection formula.
Wang Changguo +3 more
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Self-Buckling at the Nanoscale
Advances in Science and Technology, 2010In this paper the self-buckling of nanostructures, such as nanotubes, fullerenes and peapods, is analytically treated; this surprising phenomenon is due to the interaction among the nanostructures caused by the surface energy; it is peculiar of the nanoscale and has not a macroscopic counterpart.
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