Comparison of Local and Global Approaches to Digital Image Correlation

被引：0
|
作者：
F. Hild
S. Roux
机构：
[1] ENS Cachan/CNRS/UPMC/PRES UniverSud Paris,Laboratoire de Mécanique et Technologie (LMT
来源：
Experimental Mechanics | 2012年 / 52卷
关键词：
4-noded quadrilaterals; Displacement; Full-field measurements; Resolution; Standard uncertainty; Strain;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Local and global approaches to digital image correlation are compared when the displacement interpolation is based upon bilinear shape functions (i.e., with four-node quadrilaterals). The resolution in terms of displacements and strains associated with both techniques are evaluated a priori and validated a posteriori by using series of images of real experiments. It is shown that global approaches generally out-perform a local approach.
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收藏
页码：1503 / 1519
页数：16
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