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首页> 外文期刊>Defence Science Journal >A New C~1 Eight-Noded Plate Element for Static & Dynamic Analyses of Composite Laminates
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A New C~1 Eight-Noded Plate Element for Static & Dynamic Analyses of Composite Laminates

机译:一种新型的C〜1八节点板单元,用于复合材料层板的静态和动态分析

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摘要

This paper deals with a new 48-degrees-of-freedom rectangular finite element for analysing moderately thick, multilayered composite plates. The formulation is based on a kinematics which allows one to exactly ensure the continuity conditions for the displacements, and the transverse stresses at the interfaces between the layers of a laminated structure and zero stress conditions at the top and bottom surfaces of the plate. The shear correction factors are not required in the formulation, as the transverse shear deformations are defined using trigonometric functions that are of higher order. The effectiveness of the element is tested against standard problems concerning statics, vibration and buckling, for which exact three-dimensionalumerical solutions are available.
机译:本文研究了一种用于分析中等厚度多层复合板的新型48自由度矩形有限元。该公式是基于运动学的,该运动学可以精确地确保位移的连续性条件,以及层压结构层之间的界面处的横向应力以及板的上表面和下表面的零应力条件。配方中不需要剪切校正因子,因为横向剪切变形是使用高阶三角函数定义的。针对涉及静电,振动和屈曲的标准问题测试了该元件的有效性,针对这些问题可以使用精确的三维/数值解。

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