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首页> 外文期刊>Engineering analysis with boundary elements >Modeling bimaterial interface cracks using the numerical manifold method
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Modeling bimaterial interface cracks using the numerical manifold method

机译：使用数值流形方法对双材料界面裂纹建模

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摘要

The numerical manifold method (NMM) is explored for simulations of bimaterial interface cracks. Two special types of physical covers with customized cover functions are introduced to describe the weak discontinuity across the material interface, the partially cracked elements as well as the interface crack tip singularity. Three typical bimaterial crack problems are simulated. The mixed-mode stress intensity factors are evaluated by the virtue of the domain form of the interaction integral and compared with the available reference solutions. Good agreements have demonstrated the validity and accuracy of the developed program.
机译：探索了数值流形方法（NMM）来模拟双材料界面裂纹。引入了两种具有自定义覆盖功能的特殊类型的物理覆盖层，以描述整个材料界面的弱不连续性，部分裂纹的元素以及界面裂纹尖端的奇异性。模拟了三个典型的双材料裂纹问题。通过相互作用积分的域形式评估混合模式应力强度因子，并将其与可用的参考解决方案进行比较。良好的协议证明了所开发程序的有效性和准确性。

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  • 来源
    《Engineering analysis with boundary elements》 |2013年第2期|464-474|共11页
  • 作者

    X.M. An; Z.Y. Zhao; H.H. Zhang; L He;

  • 作者单位

    School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore;

    School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore;

    School of Civil Engineering and Architecture, Nanchang Hongkong University, Nanchang, Jiangxi 330063, PR China;

    School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore;

  • 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

    numerical manifold method; weak discontinuity; bimaterial interface cracks;

    机译：数值流形方法不连续性弱;双材料界面裂纹;

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