Three-Dimensional Dynamic Problems for an Elastic Body Containing a Shallow Crack

被引：0
|
作者：
V. V. Mykhas'kiv
I. O. Butrak
机构：
[1] Ukrainian Academy of Sciences,Pidstryhach Institute for Applied Problems in Mechanics and Mathematics
来源：
Materials Science | 2003年 / 39卷
关键词：
Stress Intensity; Intensity Factor; Stress Intensity Factor; Dynamic Pressure; Elastic Body;
D O I：
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学科分类号：
摘要：
By combining the methods of boundary integral equations and small parameter, we solve a three-dimensional problem of low-frequency harmonic loading of the surfaces of a shallow crack in an infinite elastic body. The functions of crack opening displacements and the stress intensity factors are obtained in the form of double convergent power series in the wave number and in a geometric parameter characterizing the curvature of the crack. We study the influence of inertial terms on the level of stresses in the vicinity of spheroidal cracks with various values of eccentricity under the action of uniform dynamic pressure with constant amplitude.
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页码：69 / 78
页数：9
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