Ultrasonic nonlinearity evaluation of the cracked interface
type: Item
instance of: scholarly article
title: Ultrasonic nonlinearity evaluation of the cracked interface
zbMATH Open document ID: 1400.74005
DOI: 10.1155/2016/5023127
author: Yanjun Qiu
author: Yilin Zhang
author: Yewang Su
author: Peng Cao
author: Youxuan Zhao
published in: Mathematical Problems in Engineering
publication date: 2018-10-12T00:00:00Z
review text: Summary: This paper derives a novel analytical solution for acoustic nonlinearity evaluation of the cracked interface. When microcracks exist at the interface, the tensile and compressive effective moduli of the cracked interface are considered to be different. It is clearly shown that the tension and compression elastic asymmetry can result in acoustic nonlinearity. In addition, numerical simulations using the finite element method are conducted to validate the theoretical solution. It is shown that numerical results agree well with the analytical solution. Finally, two factors affecting acoustic nonlinearity are studied based on the analytical solution. One is the tension and compression elastic asymmetry and another is the frequency of incident wave. Different from acoustic nonlinearity parameter of the general second harmonics, it is found that acoustic nonlinearity parameter is a function of two factors.
Mathematics Subject Classification ID: 74A50
zbMATH DE Number: 6953262
Wikidata QID: Q59131457
MaRDI profile type: Publication
full work available at URL: https://doi.org/10.1155/2016/5023127
OpenAlex ID: W2419634886
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description: scientific article; zbMATH DE number 6953262