Interaction between a compliant disk-shaped inclusion and a crack upon incidence of an elastic wave

被引：3
|
作者：
Mikhas'kiv, V. V. [1 ]
Butrak, I. O. [1 ]
Laushnik, I. P. [2 ]
机构：
[1] Natl Acad Sci Ukraine, Podstrigach Inst Appl Problems Mech & Math, UA-79060 Lvov, Ukraine
[2] Dnipropetrovsk Natl Univ Rail Transport, Lviv Branch, UA-79052 Lvov, Ukraine
来源：
JOURNAL OF APPLIED MECHANICS AND TECHNICAL PHYSICS | 2013年 / 54卷 / 03期
关键词：
three-dimensional elastic matrix; disk-shaped inclusion; crack; harmonic elastic wave; dynamic stress intensity factors; method of boundary integral equations;
D O I：
10.1134/S0021894413030164
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The propagation of harmonic elastic wave in an infinite three-dimensional matrix containing an interacting low-rigidity disk-shaped inclusion and a crack. The problem is reduced to a system of boundary integral equations for functions that characterize jumps of displacements on the inclusion and crack. The unknown functions are determined by numerical solution of the system of boundary integral equations. For the symmetric problem, graphs are given of the dynamic stress intensity factors in the vicinity of the circular inclusion and the crack on the wavenumber for different distances between them and different compliance parameters of the inclusion.
引用
收藏
页码：465 / 471
页数：7
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