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首页> 外文期刊>Composite Structures >Electronic speckle pattern interferometry applied to the displacement measurement of sandwich plates with two 'fully potted' inserts
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Electronic speckle pattern interferometry applied to the displacement measurement of sandwich plates with two 'fully potted' inserts

机译：电子散斑干涉法用于带有两个“完全灌封”插入物的夹心板的位移测量

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摘要

The experiments of electronic speckle pattern interferometer (ESPI) successfully applied to sandwich plates with two inserts has been earliest presented in this paper. Proposed ESPI has advantages of full-field and non-destructive testing, which can measures microscopic out-of-plane displacement in the elastic region without wasting specimen. For validation purpose, the finite element method (FEM) analysis was conducted. By comparing the results of ESPI and FEM displacement fields around the inserts, a convincing agreements is revealed. The effect of insert spatial interval on the deformation of two-inserted sandwich plates was obtained by the ESPI and FEM: the wider the spatial interval of the two inserts is, the bigger the out-of-plane displacement at the insert center of sandwich loaded by the same force is.
机译：本文最早介绍了成功地将电子散斑图案干涉仪（ESPI）用于具有两个插入物的夹心板的实验。拟议的ESPI具有全场和无损测试的优势，可以测量弹性区域内的微观平面外位移，而不会浪费样品。为了验证目的，进行了有限元方法（FEM）分析。通过比较刀片周围的ESPI和FEM位移场的结果，得出了令人信服的协议。通过ESPI和FEM获得了插入件空间间隔对两插入式夹心板变形的影响：两个插入件的空间间隔越宽，则夹心加载的插入件中心处的平面外位移越大受到同样的力量。

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