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Static Analysis of Thick Composite Plates Using Higher Order Three DimensionalFinite Elements

机译：高阶三维有限元厚板的静力分析

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A triquadratic isoparametric solid element is developed to study the behavior ofthick isotropic and laminated composite plates. The element is a 27 noded Lagrangian element based on three dimensional elasticity. Material characteristics are accounted by either using laminate plate theory or three-dimensional anisotropic theory. Element matrices for nonlinear stability analyses are derived based on total Lagrangian formulation. Results are presented to compare with analytical solutions to validate the elements behavior. The effects of various integration schemes on the element performance are presented. Convergence studies for laminated composites for different fiber orientations are provided to illustrate applications. An analysis of thin plates is carried out and results for thick plates are compared with available higher order plate theories. One row of elements in the thickness directions gives satisfactory results for thick laminates.

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作者
Alon, Y.;
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年度 1990
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总页数 99
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Anisotropy; Composite materials; Convergence; Elastic properties; Fibers; Formulas(Mathematics); Integration; Isotropism; Lagrangian functions; Orientation(Direction); Solutions(General); Stability; Static tests; Theory; Thickness; Thinness; Three dimensi;

机译：各向异性;复合材料;收敛;弹性性质;纤维;公式（数学）;积分;各向同性;拉格朗日函数;方向（方向）;解（一般）;稳定性;静态试验;理论;厚度;薄度;三维;

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3. Static and Dynamic Analysis of Laminated Thick and Thin Plates and Shells by a Very Simple Displacement-based 3-D Hexahedral Element with Over-Integration [J] . Fan Qifeng, Zhang Yaping, Dong Leiting, Computers, Materials & Continua . 2015,第2期

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5. Nonlinear static, buckling and dynamic analysis of piezothermoelastic composite plates using Reissner-Mindlin theory based on a mixed hierarchic finite element formulation. [D] . Datchanamourty, Balasubramanian. 2008

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6. Vibration Characteristics Analysis of Moderately Thick Laminated Composite Plates with Arbitrary Boundary Conditions [O] . Zechang Xue, Qiuhong Li, Wenhao Huang, 2019

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7. Analysis of thick composite plates using higher order three dimensional finite elements [O] . Alon Yair 1990

机译：高阶三维有限元分析复合材料厚板

Static Analysis of Thick Composite Plates Using Higher Order Three DimensionalFinite Elements

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