Finite difference model of wave motion for structural health monitoring of single lap joints

被引：18
|
作者：
Carrino, Stefano [1 ]
Nicassio, Francesco [1 ]
Scarselli, Gennaro [1 ]
Vitolo, Raffaele [2 ]
机构：
[1] Univ Salento, Dept Innovat Engn, Lecce, Italy
[2] Univ Salento, Dept Math & Phys E De Giorgi, Lecce, Italy
来源：
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 2019年 / 161卷
关键词：
Finite Difference model; Lamb waves; Structural Health Monitoring; Single Lap Joints; LAMB WAVES; PROPAGATION; DISBONDS;
D O I：
10.1016/j.ijsolstr.2018.11.019
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This study is focused on the development of a finite difference model to simulate Lamb wave propagation through Single Lap Joints (SLJs). The main advantage of this model is the mathematical ability to easily reproduce the presence of a damage (debonding) as a discontinuity in velocity values. This makes our model suitable for continuous and embedded Structural Health Monitoring (SHM) of a complex structure. Numerical simulations and experimental campaigns are presented in order to validate the proposed model. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：219 / 227
页数：9
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