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Energy release rates for interlaminar delamination in laminates considering transverse shear effects

机译:考虑横向剪切效应的层压板层间分层的能量释放速率

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摘要

This paper presents simple and closed-form formulas for calculating mode I and II energy release rates, G_I and G_(II), of a straight interlaminar crack in composite laminates subjected to general loadings. In addition to general combination of geometrical dimensions and material properties, the formulas are also explicitly expressed in terms of generic stress resultants in the cross section at the crack tip. The energy release rates predicted by the present analytical solutions are compared with those in the literatures. The novel formulations are presented and the simple closed-form solutions are obtained in terms of a general material and geometry combination and arbitrary loadings as well as the interface deformations.
机译:本文提出了简单和封闭形式的公式,用于计算复合材料层合板在普通载荷下的层间直裂纹的I和II型能量释放速率G_I和G_(II)。除了几何尺寸和材料特性的一般组合之外,这些公式还根据裂纹尖端横截面中的总应力合成来明确表示。通过本分析解决方案预测的能量释放速率与文献中的能量释放速率进行了比较。提出了新颖的配方,并根据一般的材料和几何形状组合以及任意载荷以及界面变形获得了简单的封闭形式解决方案。

著录项

  • 来源
    《Composite Structures》 |2009年第2期|235-244|共10页
  • 作者

    Quantian Luo; Liyong Tong;

  • 作者单位

    School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, NSW 2006, Australia;

    School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, NSW 2006, Australia;

  • 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
  • 关键词

    interlaminar delamination; energy release rates; shear effect;

    机译:层间分层能量释放率;剪切效应;

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