Laser-vibrometric analysis of propagation and interaction of lamb waves in CFRP-plates

Laser-vibrometric analysis of propagation and interaction of lamb waves in CFRP-plates
复制标题

CFRP 板中兰姆波传播和相互作用的激光振动分析

DOI:
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发表时间:
2013
期刊:
影响因子:
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通讯作者:
G. Mook
G. Mook
中科院分区:
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文献类型:
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作者:
J. Pohl;G. Mook

文献摘要

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介绍了使用扫描激光振动测量法来研究兰姆波传播和相互作用的各种现象,以实现 CFRP 结构中结构健康监测的目的。引入不同的测量模式和数据处理来表征压电执行器及其波场,测量速度色散和方向相关的衰减并描述与缺陷的相互作用。
The use of scanning laser-vibrometry for the investigation of various phenomena of Lamb wave propagation and interaction for structural health monitoring purposes in CFRP-structures is presented. Different measuring modes and data processing are introduced to characterise piezoactuators and their wave fields, measure velocity dispersion and direction-dependent attenuation and describe the interactions with defects.