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NASA Technical Reports Server (NTRS) 19760007434: Shear-flexible fi... |
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by NASA Technical Reports Server (NTRS) |
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Several finite-element models are applied to the linear |
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static, stability, and vibration analysis of laminated |
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composite plates and shells. The study is based on linear |
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shallow-shell theory, with the effects of shear |
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deformation, anisotropic material behavior, and bending- |
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extensional coupling included. Both stiffness |
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(displacement) and mixed finite-element models are |
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considered. Discussion is focused on the effects of shear |
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deformation and anisotropic material behavior on the |
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accuracy and convergence of different finite-element |
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models. Numerical studies are presented which show the |
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effects of increasing the order of the approximating |
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polynomials, adding internal degrees of freedom, and |
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using derivatives of generalized displacements as nodal |
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parameters. |
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Date Published: 2016-07-18 09:25:53 |
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Identifier: NASA_NTRS_Archive_19760007434 |
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Item Size: 65374426 |
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Language: english |
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Media Type: texts |
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