Correlation between full-field measurements and numerical simulation results for multiple delamination composite specimens in bending

被引：5
|
作者：
Devivier, C. [1 ,2 ]
Thompson, D. [2 ]
Pierron, F. [1 ]
Wisnom, M. R. [2 ]
机构：
[1] Arts & Metiers ParisTech, Ctr Chalons En Champagne, Lab Mecan & Proc Fabricat, Rue St Dominique,BP 508, F-51006 Chalons Sur Marne, France
[2] Univ Bristol, Adv Compos Ctr, Bristol BS8 1TR, Avon, England
来源：
ADVANCES IN EXPERIMENTAL MECHANICS VII | 2010年 / 24-25卷
关键词：
Damage; full-field; strains; deflectometry; composite;
D O I：
10.4028/www.scientific.net/AMM.24-25.109
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper studies the effect of delaminations on strain maps for a simple cantilever beam. The aim is to build an experimental set-up which allows detecting very slight modifications in the strain maps. The case studied is a single delamination on the mid-plane. The measurement method is the deflectometry technique which enables direct slope measurements on a reflective specimen. The comparison with finite element models clearly indicated that the surface strains bear the information of the extent of the delamination. The second step is to use these surface strains to identify a stiffness reduction map for real impact damages.
引用
收藏
页码：109 / +
页数：2
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