Transient elastodynamic crack growth in functionally graded materials

被引：19
|
作者：
Chalivendra, VB
Shukla, A [1 ]
机构：
[1] Univ Rhode Isl, Dept Mech Engn & Appl Mech, Dynam Photomech Lab, Kingston, RI 02881 USA
[2] CALTECH, Grad Aeronaut Labs, Pasadena, CA 91125 USA
来源：
JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME | 2005年 / 72卷 / 02期
关键词：
D O I：
10.1115/1.1831292
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A generalized elastic solution for an arbitrarily propagating transient crack in functionally graded materials (FGMs) is obtained through an asymptotic analysis. The shear modulus and mass density of the FGM are assumed to vary exponentially along the gradation direction. The out-of-plane displacement field and its gradients about the crack tip were obtained in powers of radial coordinates, with the coefficients depending on the time rates of change of crack tip speed and stress intensity factor The effects of the transient terms on the contours of constant out-of-plane displacement are duly discussed.
引用
收藏
页码：237 / 248
页数：12
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