Research of Lamb Wave 2-D Propagation in CFRP Plates and Its Application in Delamination Damage Detection

被引：0
|
作者：
Zhang, Hui [1 ]
Sun, Jing [1 ]
Liu, Si [1 ]
Li, Shaojie [1 ]
Rui, Xiaobo [1 ]
机构：
[1] Tianjin Univ, State Key Lab Precis Measurement Technol & Instru, Tianjin, Peoples R China
来源：
2022 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IEEE IUS) | 2022年
关键词：
Lamb waves; anisotropy; delamination damage; 2D dispersion curve; wavenumber;
D O I：
10.1109/IUS54386.2022.9958206
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In this paper, the 2-D propagation law of Lamb waves in CFRP plates is studied. Firstly, considering the orthogonal anisotropy of CFRP plates, a two-dimensional (2-D) wavenumber is given, which is an important and practical reference for delamination damage detection. Secondly, we carried out the numerical simulation of Lamb waves propagating in different directions. Finally, an elliptical ring filter detection method based on 2-D wavenumber is proposed, and the delamination damage in the simulation model is detected successfully.
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页数：4
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