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

页码：219 / 227

页数：9

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