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首页> 外文期刊>Composites Science and Technology >An efficient beam element for the analysis of laminated composite beams of thin-walled open and closed cross sections
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An efficient beam element for the analysis of laminated composite beams of thin-walled open and closed cross sections

机译：一种有效的梁单元，用于分析薄壁开放和闭合截面的层合复合梁

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摘要

A condensed fully coupled beam element for thin-walled laminated composite beams having open or closed cross sections is presented. An analytical technique is used to derive the cross-sectional stiffness of the beam in a systematic manner considering all the deformation effects and their mutual couplings. An efficient finite element approximation is adopted for the transverse shear deformation, which has helped to conveniently implement the C~1 continuous formulation required by the torsional deformation due to incorporation of warping deformation. The performance of the element is tested through the solution of numerical examples involving open section 1 and channel (C) beams and closed section box beams under different loading conditions, and the obtained results are compared with model as well as experimental results available in literature.
机译：提出了一种用于具有开放或封闭横截面的薄壁层压复合梁的压缩全耦合梁元件。考虑到所有变形效应及其相互耦合，使用分析技术以系统的方式得出梁的截面刚度。横向剪切变形采用有效的有限元逼近，这有助于方便地实现由于合并了翘曲变形而产生的扭转变形所需的C〜1连续公式。通过在不同载荷条件下的开放截面1和槽形（C）梁以及封闭截面箱形梁的数值示例求解，测试了单元的性能，并将所得结果与模型以及文献中的实验结果进行了比较。

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