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Review of digital image correlation application to large-scale composite structure testing

机译：数字图像相关应用对大规模复合结构测试的回顾

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摘要

This study reviews the recent progress in the application of digital image correlation (DIC) to testing composite structures with an order of size magnitude of meters. The DIC technique has gained wide popularity in materials and structural testing due to the merit of being full-field and non-contact compared to conventional pointwise measurement techniques. This study focuses on the DIC application to large-scale composite structure testing. Experimental setup requirements, measurement capabilities, and the associated challenges are thoroughly reviewed and analyzed. Typical applications found in the literature are from wind energy and aerospace sectors for displacement and strain measurements under static loading and operational modal analysis in dynamic structural tests. The remaining challenges along with their possible solutions are discussed and summarized in this work to shed light on future research needs on testing large-scale composite structures using the DIC technique.
机译：这项研究审查了最近在数字图像相关（DIC）应用于测试复合结构的最新进展，以尺寸为米尺的尺寸。 由于与传统的点测量技术相比，DIC技术在材料和非接触的优点上取得了广泛的普及和结构测试。 本研究专注于DIC应用于大规模复合结构测试。 实验性设置要求，测量功能以及相关挑战得到彻底审查和分析。 文献中发现的典型应用来自风能和航空航天部门，用于在动态结构试验中的静态负载和操作模态分析下进行位移和应变测量。 在这项工作中讨论并概述了其可能的解决方案以及使用DIC技术测试大规模复合结构的研究需求，讨论并概述了其可能的解决方案。

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