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Showing 1 to 20 of 22 for “"Sandwich plates"”.
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The response of impulsively loaded sandwich plates
… of the response of impulsively loaded circular sandwich plates using the general purpose finite element programme called ABAQUS. The sandwich plate studied consists of three layers. The two outer layers are of mild steel and the centre layer, or core, is of air. Because of this configuration, …
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Modeling of core properties of ultralight sandwich plates
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2000.
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Small and large deflection of clamped skew sandwich plates.
… the small and large deflection behaviour of skew sandwich plates with built-in edges and subjected to a uniformly distributed load is investigated. Non-linear partial differential equations governing the load-displacement relationship for such plates are derived using the principle of minimum …
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Damage response of sandwich plates subject to dynamic loads
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1995.
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Optimum First Failure Loads of Sandwich Plates/Shells and Vibrations of Incompressible Material Plates
… outstanding energy-absorption characteristics, sandwich structures are extensively used in aircraft, aerospace, automobile, and marine industries. With the objective of finding lightweight blast-resistant sandwich structures for protecting infrastructure, we have found, for a fixed areal mass …
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Free Vibrations and Static Deformations of Composite Laminates and Sandwich Plates using Ritz Method
… the following problems: free vibrations of plates with curvilinear stiffeners, the lowest 100 frequencies of thick isotropic plates, free vibrations of thick quadrilateral laminates and free vibrations and static deformations of rectangular laminates, and sandwich structures. Admissible …
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Implementation of Third Order Plate Theory for use in Existing Finite Element Software
Sandwich plates and layered composites are common in many structural applications because of their combination of high stiffness and low weight. These plates combine top and bottom layers of high Young's modulus with intermediate layers of material carrying predominantly shear loads. Finite …
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Elementos finitos para flexão de placas com campo de tensões assumido
… theory for bending of "moderately thick" plates and the latter is based on the customary theory of elastic plates. As an application of the first formulation an element for "sandwich plates'' is developed. Listing of FORTRAN subroutines were included in the appendix. They can be used by …
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Análise dinâmica de placas sandwich comprimidas simplesmente apoiadas
… is the analysis of the dynamical behavior of sandwich plates. We have considered only simply supported rectangular plates under a compressive uniform load acting in the middle plane. The dynamical instability was also analyzed. The equations of motion were obtained through a variational …
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Behavior and Flexure Analysis of Balsa Wood Core Sandwich Composites: Experimental, Analytical and Finite Element Approaches
… of a US Army Corps of Engineers available sandwich plates in three-point bending with glass phenolic facings and balsa wood core is being investigated under room and elevated temperatures. Test data on bending rigidity, critical interfacial failure (skin-to-core interface) and shear stress …
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On the Formulation of a Hybrid Discontinuous Galerkin Finite Element Method (DG-FEM) for Multi-layered Shell Structures
… Finally, five problems are solved, including sandwich plates, 2-D multi-layered pipes, 3-D multi-layered pipes, stiffened plates and stiffened multi-layered hydrofoils. Material and geometric nonlinearities are both considered. The results are verified by other papers' results or ANSYS.
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Isogeometric Finite Element Code Development for Analysis of Composite Structures
… Nurbs basis for stress analysis of composite and sandwich beams and plates. This research also computes stress concentration factor in a composite plate with a hole. Isogeometric nonlinear/linear finite element code is developed for static and dynamic analysis of laminated composite plates. Nurbs …
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Analysis of Static and Dynamic Deformations of Laminated Composite Structures by the Least-Squares Method
Composite structures, such as laminated beams, plates and shells, are widely used in the automotive, aerospace and marine industries due to their superior specific strength and tailor-able mechanical properties. Because of their use in a wide range of applications, and their commonplace in the …
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Flutter of sandwich panels at supersonic speeds
… which is a reasonable assumption for solid plates. For a sandwich panel, neglect of transverse shear deformations may not be a good assumption in flutter analysis inasmuch as studies have indicated that the vibration and buckling behavior of such panels can be affected significantly by shear …
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Refined theories and Discontinuous Galerkin methods for the analysis of multilayered composite structures
Laminated multilayered composite and sandwich plates and shells are widely used for military and civilian aircraft, aerospace vehicles, and naval and civil structures because of their high specific stiffness and strength and tailoring capabilities. Moreover, composite materials are increasingly …
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The Effect of a Low-Velocity Impact on the Flexural Strength and Dynamic Response of Composite Sandwiches with Damage Arrestment Devices
… (DAD) on the mechanical behavior of composite sandwiches, following a low-velocity impact. A 7.56-lb<sub>f</sub> crosshead dropped from a height of 37.5-inches was considered for the low-velocity impact testing. In this study, the experimental and numerical analysis of composite sandwiches were …
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