| 压电介质反平面问题中导电与电介质刚性线的相互作用 |
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| 引用本文： | 施伟辰.压电介质反平面问题中导电与电介质刚性线的相互作用[J].上海海事大学学报,2003,24(2):137-141. |
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| 作者姓名： | 施伟辰 |
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| 作者单位： | 上海海运学院,工学院,上海,200135 |
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| 基金项目： | 上海市曙光计划项目资助 (SG2 0 0 0 -3 1) |
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| 摘 要： | 将压电介质中的一对电介质和导体刚性线夹杂问题归结为数学中的Riemann Hilbert问题。利用Muskhelishvili的方法 ,得到问题的精确解。对于由电介质和导体组成的单一刚性线夹杂问题进行了分析 ,发现了联结点处的奇异性 ,给出其端点处的J—积分值
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| 关 键 词： | 压电材料 夹杂 刚性线 能量—动量张量 J—积分 |
| 文章编号： | 1000-5188(2003)02-0137-0005 |
| 修稿时间： | 2002年10月8日 |
Interaction of the Rigid Dielectric and Conductor Line Inclusions in a Piezoelectric Medium |
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| SHI Wei,chen.Interaction of the Rigid Dielectric and Conductor Line Inclusions in a Piezoelectric Medium[J].Journal of Shanghai Maritime University,2003,24(2):137-141. |
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| Authors: | SHI Wei chen |
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| Abstract: | Two rigid line inclusions of which one is a dielectric and the other is a conductor in piezoelectric material is attributed to Riemann Hilbert problem. By using the method of Muskhelishvili, explicit expressions of the singularity coefficients of field variables are obtained. In the case of one rigid line inclusion being composed of two parts with dielectric and conductor respectively, the singularity at tips and joint is also discussed. The values of J integral are given. It is found that there exists singularity at the joint. |
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| Keywords: | piezoelectric material inclusion rigid line energy momentum tensor J integral |
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