Results 271 to 280 of about 20,074 (314)

Stress, Vibration, and Buckling of Multilayered Cylinders

Journal of Structural Engineering, 1989
An efficient computational method for lowering the cost of the free vibration, stress, and buckling analyses of multilayered composite cylinders is presented. The analytical methodology is based on the linear three-dimensional theory of elasticity where the cylinders are assumed to have simply supported curved edges, and the fibers of the different ...
Ahmed K. Noor, Jeanne M. Peters
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STRESS, BUCKLING, AND VIBRATION OF HYBRID BODIES OF REVOLUTION

17th Structures, Structural Dynamics, and Materials Conference, 1976
Abstract The analysis is applicable to bodies of revolution composed of thin shell segments, thick segments and discrete rings. The thin shell segments are discretized by the finite difference energy method and the thick or solid segments are treated as assemblages of 8-node isoparametric quadrilateral finite elements of revolution.
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Shape Optimization with Buckling and Stress Constraints

AIAA Journal, 1996
Design variables control the shape of boundaries, holes, and cutouts. Internal mesh points move as the boundaries move using the static displacements of an auxiliairy model. A parametric modeling approach is used to define the complete problem, which includes fully automatic mesh generation to create the finite element mesh. A commercial finite element
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Simultaneous contraction and buckling of stress fibers in individual cells

Journal of Cellular Biochemistry, 2012
AbstractIt has been proposed that buckling of actin stress fibers (SFs) may be associated with their disassembly. However, much of the detail remains unknown partly because the use of an elastic membrane sheet, conventionally necessary for inducing SF buckling with a mechanical compression to adherent cells, may limit high quality and quick imaging of ...
Shinji, Deguchi, Tsubasa S, Matsui, Masaaki, Sato   +2 more
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SHEAR BUCKLING OF THIN PLATES WITH CONSTANT IN-PLANE STRESSES

International Journal of Structural Stability and Dynamics, 2007
This work presents highly accurate numerical calculations of the buckling loads for thin elastic rectangular plates with known constant in-plane stresses, and in-plane shear loading that is increased until the critical load is obtained and the plate losses its stability. The solutions are obtained using the multi-term extended Kantorovich method.
Igor Shufrin, Moshe Eisenberger
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Buckling Stress States of Cylindrical Shells

Journal of the Structural Division, 1974
Plexiglass cylindrical shell models with nearly perfect geometry and constant thickness were tested under various combinations of membrane stresses. In cylinders under axial compression alone and axial compression with internal pressure, the buckling procedure was initiated by means of a small dynamic disturbance which reduced the dispersion of the ...
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Effect of Residual Stresses on Buckling Localization in a Cylindrical Panel

AIAA Journal, 2000
Localization, in the sense of a more or less abrupt change from a smoothly varying deformation pattern to a pattern involving one or more regions of highly localized deformation, occurs in a wide variety of circumstances, including shear band localizations in structural metals, rocks, and concrete and localized tearing in sheet forming operations.
V. Tvergaard, A. Needleman
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Buckling Stresses of Stiffened Hyperboloidal Shells

Journal of the Structural Division, 1979
Three hyperboloidal shell models made of epoxy resin (araldite) having nearly perfect geometry and constant wall thickness were tested first without stiffeners, afterwards with five, nine and 19 rings and 19 rings plus 36 meridional ribs. The axisymmetric loading resulting in various combinations of membrane stresses in ring and meridional directions ...
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Using ElectroMechanical Buckling for Measuring Residual Stress

7th. Int. Conf. on Thermal, Mechanical and Multiphysics Simulation and Experiments in Micro-Electronics and Micro-Systems, 2006
In this work, a new test structure and method for measuring residual stress is presented. The test structure is a single clamped-clamped beam with electrodes symmetrically positioned along both sides of the beam. The electromechanical buckling response is used to measure the residual stress.
S. Abu-Salih, D. Elata
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Buckling Stress States of Hyperboloidal Shells

Journal of the Structural Division, 1976
Araldite hyperboloidal shell models with nearly perfect geometry and constant thickness were tested under various axisymmetric combinations of membrane stresses. During the tests the normal forces and bending moments in the middle of the model were measured and the initiation of the buckling process was studied.
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