Stability of an orthotropic flexible square plate weakened by a square opening
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Orthotropic material
Square (algebra)
Orthotropic material
Elasticity
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Summary Three computer programmes have been written for the stability analysis of both isotropic and orthotropic, multi-plate structures in compression. The bases of these programmes are the exact and approximate Finite Strip methods. A considerable number of results for a range of multi-plate structures fabricated from both carbon fibre reinforced (orthotropic) and aluminium (isotropic) materials are presented in graphical form. These graphs serve to illustrate not only the influence of material orthotropy on the buckling response, but also the possible savings in weight that may be achieved by employing orthotropic materials in place of conventional isotropic materials.
Orthotropic material
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Orthotropic material
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Affine relations connecting the transverse vibrations of isotropic and orthotropic plates are determined for rectangular plates which may be treated by the method of Levy. Using these relations, the exact frequencies of free vibration of orthotropic plates can be readily calculated without much labour from those of the corresponding isotropic plates. Numerical illustrations of these relations are given for some cases.
Orthotropic material
Vibration of plates
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Abstract : Curves and formulas for use in computing the buckling of flat panels of sandwich construction under edgewise compressive loads are presented. Included are curves for constructions with isotropic facings and either isotropic or orthotropic cores.
Orthotropic material
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Orthotropic material
Isotropic solid
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Orthotropic material
Digital image correlation
Digital Image Analysis
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This paper incorporates an analysis of the stability of orthotropic or isotropic cylindrical shells subjected to external pressure applied over all or part of their surfaces. An eighth-order governing equation for buckling of orthotropic, isotropic, and composite cylindrical shells is deduced. This governing differential equation can facilitate the analysis and enable us to resolve the buckling problem. The formulas and results, deduced for the first time in this paper, may be readily applied in determining critical loads for local loading of orthotropic, isotropic, and composite cylindrical shells.
Orthotropic material
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Orthotropic material
Caustic (mathematics)
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