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首页> 外文会议>19th International conference on adaptive structures and technologies 2008 >Speckle Interferometry for Damage Detection in Thin-Walled Adaptive Structures
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Speckle Interferometry for Damage Detection in Thin-Walled Adaptive Structures

机译：用于薄壁自适应结构损伤检测的斑点干涉法

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摘要

Lamb waves have shown to be favorably applicable in the development of health monitoring systems in structural mechanics since they show reflections, refractions, as well as mode conversions at fault locations. For the observation of the wave propagation, the double pulsed electronic speckle pattern interferometry (ESPI) as a high precision, full-field, and non-contact measurement technique is under investigation in this work. It is shown that not only symmetric and antisymmetric waves can be captured but that also various faults in plate structures can be detected. A riveted lightweight structure serves as another test specimen. The location of the rivets is clearly identifiable by this measuring technique.
机译：兰姆波已被证明在结构力学健康监测系统的开发中具有优势，因为它们在故障位置表现出反射，折射和模式转换。为了观察波的传播，这项工作正在研究作为高精确度，全场和非接触式测量技术的双脉冲电子散斑图案干涉术（ESPI）。结果表明，不仅可以捕获对称波和反对称波，而且还可以检测板结构中的各种故障。铆接的轻质结构用作另一个测试样本。铆钉的位置可以通过这种测量技术清楚地确定。

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