## 留言板

 引用本文: 陈宜周. 周期裂纹削弱的无限长板条的应力分析[J]. 应用数学和力学, 2004, 25(11): 1189-1194.
CHEN Yi-zhou. Stress Analysis for an Infinite Strip Weakned by Periodic Cracks[J]. Applied Mathematics and Mechanics, 2004, 25(11): 1189-1194.
 Citation: CHEN Yi-zhou. Stress Analysis for an Infinite Strip Weakned by Periodic Cracks[J]. Applied Mathematics and Mechanics, 2004, 25(11): 1189-1194.

• 中图分类号: O346

## Stress Analysis for an Infinite Strip Weakned by Periodic Cracks

• 摘要: 作出了周期裂纹削弱的无限长板条的应力分析．假设这些裂纹均在水平位置，又板条承受 y方向的拉伸力p．此时边值问题归结为一个复杂混合边值问题．发现,对此问题言，特征展开变分原理方法 ( eigenfunction expansion variational method,简称为EEVM)是非常有效的．研究了裂纹端的应力强度因子和T-应力．从拉伸力作用下的弹性变形考虑，开裂板条可等价于一不开裂的正交异性板条．还分析了等价正交异性板条的弹性性质．最后给出了算例和数值结果．
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##### 出版历程
• 收稿日期:  2003-08-20
• 修回日期:  2004-06-05
• 刊出日期:  2004-11-15

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