A stress scale in full-field identification procedures: a diffuse stress gauge

被引：11
|
作者：
Roux, S
Hild, F
Pagano, S
机构：
[1] CNRS St Gobain, UMR, F-93303 Aubervilliers, France
[2] Univ Paris 06, CNRS, UMR 8535, ENS Cachan,LMT Cachan, F-94235 Cachan, France
[3] Univ Montpellier 2, CNRS, UMR 5508, LMGC, F-34095 Montpellier, France
来源：
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS | 2005年 / 24卷 / 03期
基金：
美国国家卫生研究院;
关键词：
D O I：
10.1016/j.euromechsol.2005.02.002
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Identification techniques solely based on displacement field measurements lack a stress scale and thus require a complementary information to be provided to complete the problem definition. Such a complementary test is proposed in this study, which is itself an identification designed for an unbounded two dimensional domain subjected to a normal point force on its boundary. A complex potential formulation is used to obtain a simple closed-form solution for the Poisson's ratio and Lame's shear modulus. In order to evaluate the performance and robustness of this identification technique, the sensitivity to noise and error in grid positioning is investigated numerically. (c) 2005 Elsevier SAS. All rights reserved.
引用
收藏
页码：442 / 451
页数：10
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