STRESS ANALYSIS FOR AN INFINITE STRIP WEAKNED BY PERIODIC CRACKS

Applied Mathematics and Mechanics (English Edition) ›› 2004, Vol. 25 ›› Issue (11): 1298-1303.

STRESS ANALYSIS FOR AN INFINITE STRIP WEAKNED BY PERIODIC CRACKS

陈宜周

Division of Engineering Mechanics, Jiangsu University Zhenjiang, Jiangsu 212013, P. R. China

收稿日期:2003-08-20 修回日期:2004-06-05 出版日期:2004-11-18 发布日期:2004-11-18
基金资助:
the National Natural Science Foundation of China(10272053)

STRESS ANALYSIS FOR AN INFINITE STRIP WEAKNED BY PERIODIC CRACKS

CHEN Yi-zhou

Division of Engineering Mechanics, Jiangsu University Zhenjiang, Jiangsu 212013, P. R. China

Received:2003-08-20 Revised:2004-06-05 Online:2004-11-18 Published:2004-11-18

摘要/Abstract

摘要： Stress analysis for an infinite strip weakened by periodic cracks is studied. The cracks were assumed in a horizontal position, and the strip was applied by tension “ p” in y-direction. The boundary value problem can be reduced into a complex mixed one. It is found that the EEVM( eigenfunction expansion variational method) is efficient to solve the problem. The stress intensity factor at the crack tip and the T-stress were evaluated. From the deformation response under tension the cracked strip can be equivalent to an orthotropic strip without cracks. The elastic properties in the equivalent orthotropic strip were also investigated. Finally, numerical examples and results were given.

Abstract: Stress analysis for an infinite strip weakened by periodic cracks is studied. The cracks were assumed in a horizontal position, and the strip was applied by tension “ p” in y-direction. The boundary value problem can be reduced into a complex mixed one. It is found that the EEVM( eigenfunction expansion variational method) is efficient to solve the problem. The stress intensity factor at the crack tip and the T-stress were evaluated. From the deformation response under tension the cracked strip can be equivalent to an orthotropic strip without cracks. The elastic properties in the equivalent orthotropic strip were also investigated. Finally, numerical examples and results were given.

中图分类号:

O346

陈宜周. STRESS ANALYSIS FOR AN INFINITE STRIP WEAKNED BY PERIODIC CRACKS[J]. Applied Mathematics and Mechanics (English Edition), 2004, 25(11): 1298-1303.

CHEN Yi-zhou. STRESS ANALYSIS FOR AN INFINITE STRIP WEAKNED BY PERIODIC CRACKS[J]. Applied Mathematics and Mechanics (English Edition), 2004, 25(11): 1298-1303.

参考文献

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STRESS ANALYSIS FOR AN INFINITE STRIP WEAKNED BY PERIODIC CRACKS

STRESS ANALYSIS FOR AN INFINITE STRIP WEAKNED BY PERIODIC CRACKS

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