Effect of closure of collinear cracks on the stress-strain state and the limiting equilibrium of bent shallow shells

被引：0

作者：

I. P. Shatskii

N. V. Makoviichuk

机构：

[1] National Academy of Sciences of Ukraine,Ivano

来源：

Journal of Applied Mechanics and Technical Physics | 2011年 / 52卷

关键词：

shell; bending; crack closure; strength;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The problem of closure of collinear cracks during bending of a shallow shell is considered within the framework of the Kirchhoff theory. Crack closure is described using the model of contact along a line on one of the shell faces. Strain and moment intensity factors and fracture load are studied as functions of shell curvature and defect location, and the distribution of contact forces along the cracks is investigated.

引用

页码：464 / 470

页数：6

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