一维正交准晶中具有四条裂纹的椭圆孔口问题的解析解

高媛媛; 刘官厅

doi:10.21656/1000-0887.390032

一维正交准晶中具有四条裂纹的椭圆孔口问题的解析解

doi: 10.21656/1000-0887.390032

内蒙古师范大学数学科学学院, 呼和浩特 010022

基金项目: 国家重点研发计划(2017YFC1405605)；内蒙古自然科学基金(2018MS01005)；内蒙古自治区研究生教育创新计划(CXJJS18069)

详细信息

作者简介:
高媛媛(1993—)，女，硕士生(E-mail: 1223729636@qq.com);刘官厅(1966—)，男，教授，博士生导师(通讯作者. E-mail: guantingliu@imnu.cn).

中图分类号: O346.1
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- 文章访问数: 1189
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- PDF下载量: 485
- 被引次数: 0
出版历程
- 收稿日期: 2018-01-22
- 修回日期: 2018-06-24
- 刊出日期: 2019-02-01

Analytical Solutions to Problems of Elliptical Holes With 4 Edge Cracks in 1D Orthorhombic Quasicrystals

College of Mathematical Science, Inner Mongolia Normal University, Hohhot 010022, P.R.China

Funds: The National Key R&D Program of China(2017YFC1405605)

摘要

摘要: 运用广义复变函数方法,通过构造适当的广义保角映射,研究了一维正交准晶中具有四条裂纹的椭圆孔口的平面弹性问题.通过引入应力函数,把平面弹性问题的基本方程简化为一个四阶偏微分方程,从而给出了各个应力分量在像平面的复表示,求得了裂纹尖端的应力强度因子的解析解.当描述缺陷的各参数发生变化时,该文的结果不仅可以还原已有文献中的结论,还可给出多种常见缺陷构型的应力强度因子,为工程力学分析提供了理论依据.
- 广义保角映射 /
- 一维正交准晶 /
- 具有四条裂纹的椭圆孔口 /
- 应力强度因子
Abstract: The plane elastic problems of elliptical holes with 4 cracks in 1D orthorhombic quasicrystals were investigated through introduction of a new generalized conformal mapping with the generalized complex variable method. With the stress functions, the basic elasticity equations were reduced to 4th-order partial differential equations, the complex expression of stress components was derived in the image plane and the analytical solution of stress intensity factors (SIFs) at the crack tips was found out. With the change of parameters describing the defects, the results can not only reduce to the conclusions in previous literatures, but also give the SIFs of a variety of common defect configurations, which provides a theoretical basis for engineering mechanics analysis.
- generalized conformal mapping /
- 1D orthorhombic quasicrystal /
- elliptical hole with 4 cracks /
- stress intensity factor

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参考文献(23)

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一维正交准晶中具有四条裂纹的椭圆孔口问题的解析解

doi: 10.21656/1000-0887.390032

作者简介:
高媛媛(1993—)，女，硕士生(E-mail: 1223729636@qq.com);刘官厅(1966—)，男，教授，博士生导师(通讯作者. E-mail: guantingliu@imnu.cn).

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Analytical Solutions to Problems of Elliptical Holes With 4 Edge Cracks in 1D Orthorhombic Quasicrystals

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留言板

一维正交准晶中具有四条裂纹的椭圆孔口问题的解析解

doi: 10.21656/1000-0887.390032

作者简介: 高媛媛(1993—)，女，硕士生(E-mail: 1223729636@qq.com);刘官厅(1966—)，男，教授，博士生导师(通讯作者. E-mail: guantingliu@imnu.cn).

计量

出版历程

Analytical Solutions to Problems of Elliptical Holes With 4 Edge Cracks in 1D Orthorhombic Quasicrystals

计量

出版历程

目录

作者简介:
高媛媛(1993—)，女，硕士生(E-mail: 1223729636@qq.com);刘官厅(1966—)，男，教授，博士生导师(通讯作者. E-mail: guantingliu@imnu.cn).