Finite element analysis of free vibration and wave propagation in asymmetric composite beams with structural discontinuities

A.Chakraborty; D.Roy mahapatra; S.Gopalakrishnan

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Finite element analysis of free vibration and wave propagation in asymmetric composite beams with structural discontinuities

机译：具有结构不连续性的非对称组合梁中自由振动和波传播的有限元分析

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摘要

A new refined locking free first-order shear deformable finite element is presented, and its utility in solving free vibration and wave propagation problems in laminated composite beam structures with symmetric as well as asymmetric play stacking is dem- onstrated. The paper also illustrates the application of the element to handle different types of structural discontinuities such as ply- drops, multiply connected beams with rigid joints, lap joints and the beams with delaminations.

机译：提出了一种新的改进的无锁紧的一阶剪切可变形有限元，并展示了其在解决具有对称和非对称游隙堆叠的层合复合梁结构中的自由振动和波传播问题方面的效用。本文还说明了该单元在处理不同类型的结构间断方面的应用，例如，层板，具有刚性接头的搭接梁，搭接接头和具有分层的梁。

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来源
《Composite Structures》 |2002年第1期|p.23-36|共14页
作者
A.Chakraborty; D.Roy mahapatra; S.Gopalakrishnan;
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作者单位

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
asymmetric ply; shear locking; first-order shear deformation; free vibration;

机译：不对称层剪切锁定一阶剪切变形;自由振动;

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机译：夹层复合材料静应力和自由振动分析的有限元技术

Finite element analysis of free vibration and wave propagation in asymmetric composite beams with structural discontinuities

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