PULSE-PROPAGATION IN A LAMINATED COMPOSITE PLATE AND NONDESTRUCTIVE EVALUATION

被引：4

作者：

JU, TH

DATTA, SK

机构：

[1] Department of Mechanical Engineering, Center for Space Construction, University of Colorado, Boulder

来源：

COMPOSITES ENGINEERING | 1992年 / 2卷 / 01期

关键词：

D O I：

10.1016/0961-9526(92)90018-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The surface response of a laminated composite plate with delamination cracks has been studied in this paper. The objective of this study is to analyze the surface response both in the time and frequency domains due to delamination cracks at different depths in a cross-ply composite plate. For reasons of simplicity, attention has been focused here on two-dimensional (plane-strain) motions. The source of excitation is taken to be a line vertical force acting perpendicular to the fibers in a lamina. Numerical results are presented, showing peak responses at certain resonance frequencies. A comparison of these results with those for a uniaxial graphite epoxy plate shows characteristic differences.

引用

页码：55 / 66

页数：12

共 23 条

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