期刊
JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN
卷 43, 期 8, 页码 673-688出版社
SAGE PUBLICATIONS LTD
DOI: 10.1243/03093247JSA414
关键词
digital image correlation; speckle correlation; high-speed imaging; ultra-high-speed photography
资金
- United States Department of Energy [DE-AC04-94AL85000]
Digital image correlation (DIC) is a method of using digital images to calculate two-dimensional displacement and deformation or for stereo systems three-dimensional shape, displacement, and deformation. While almost any imaging system can be used with DIC, there are some important challenges when working with the technique in high- and ultra-high-speed applications. This article discusses three of these challenges: camera sensor technology, camera frame rate, and camera motion mitigation. Potential solutions are treated via three demonstration experiments showing the successful application of high-speed DIC for dynamic events. The application and practice of DIC at high speeds, rather than the experimental results themselves, provide the main thrust of the discussion.
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