| 含中心裂纹的压电材料梁反平面问题的应力强度因子 |
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| 引用本文： | 刘淑红,段士杰,薛雁,邹振祝. 含中心裂纹的压电材料梁反平面问题的应力强度因子[J]. 铁道学报, 2004, 26(1): 40-44 |
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| 作者姓名： | 刘淑红 段士杰 薛雁 邹振祝 |
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| 作者单位： | 1. 北京交通大学,土建学院,北京,100044
2. 石家庄铁道学院,力学系,河北,石家庄,050043 |
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| 摘 要： | 研究了含中心裂纹的压电材料梁在反平面载荷作用下的问题 ,得到应力强度因子的表达式 ,并用边界配置法计算了应力强度因子与截面几何尺寸的关系。结果表明 ,这种半解析半数值的方法具有足够的精确性 ,计算简便 ,有广泛的应用性
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| 关 键 词： | 压电材料 Ⅲ型裂纹 边界配置法 应力强度因子 |
| 文章编号： | 1001-8360(2004)01-0040-05 |
| 修稿时间： | 2003-02-08 |
Stress Intensity Factor of a Center Crack in a Rectangular Piezoelectric Body Under Anti-plane Ioading |
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| LIU Shu-hong,DUAN Shi-jie,XUE Yan,ZOU Zhen-zhu. Stress Intensity Factor of a Center Crack in a Rectangular Piezoelectric Body Under Anti-plane Ioading[J]. Journal of the China railway Society, 2004, 26(1): 40-44 |
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| Authors: | LIU Shu-hong DUAN Shi-jie XUE Yan ZOU Zhen-zhu |
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| Affiliation: | LIU Shu-hong~1,DUAN Shi-jie~2,XUE Yan~2,ZOU Zhen-zhu~2 |
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| Abstract: | An anti-plane shear problem of a piezoelectric material containing a center crack is analyzed. A general solution for the stress intensity factor is obtained. The boundary collocation method is used to calculate the relationship between the stress intensity factor and section geometry. It is shown that the method of half analytical and half numeral is accurate, simple and widely applicable. |
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