Finite Element Stereo Digital Image Correlation: Framework and Mechanical Regularization

被引：0
|
作者：
J.-E. Pierré
J.-C. Passieux
J.-N. Périé
机构：
[1] Université Fédérale Toulouse Midi-Pyrénées,Institut Clément Ader, CNRS UMR 5312
来源：
Experimental Mechanics | 2017年 / 57卷
关键词：
Digital image correlation; Stereovision; Finite element; Mechanical regularization; Plate kinematics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The use of Finite Element meshes in Digital Image Correlation (FE-DIC) is now widespread in experimental mechanics but, so far, FE have been much less used in Stereo-DIC. The first goal of this paper is to explain in detail how to use FE in Stereo-DIC by means of a formulation in the world coordinate system. More precisely, the paper describes how to calibrate possibly non-linear model of cameras and to measure shapes and displacements with an FE mesh. It also shows that, with such a framework, it is possible to regularize the measurement with an FE model based on the same mesh. For instance, using this technique, it is possible to measure the rotation field of a bending plate in addition to its displacement.
引用
收藏
页码：443 / 456
页数：13
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