IMECH-IR  > 非线性力学国家重点实验室
Ultrasonic Nonlinearity Evaluation of the Cracked Interface
Qiu YJ; Zhang YL; Su YW(苏业旺); Cao P; Zhao YX; Zhao, YX (reprint author), Chongqing Univ, Coll Aerosp Engn, Chongqing 400044, Peoples R China.
Source PublicationMATHEMATICAL PROBLEMS IN ENGINEERING
2016
Pages5023127
ISSN1024-123X
AbstractThis 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.
DOI10.1155/2016/5023127
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000378277900001
WOS Research AreaEngineering ; Mathematics
WOS SubjectEngineering, Multidisciplinary ; Mathematics, Interdisciplinary Applications
Funding OrganizationYouxuan Zhao acknowledges the support from the Fundamental Research Funds for the Central Universities (Project no. 0903005203383). Yewang Su acknowledges the support from Chinese Academy of Sciences via the "Hundred Talent program" and support from NSFC (no. 11572323).
DepartmentLNM苏业旺
ClassificationQ3
RankingFalse
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59556
Collection非线性力学国家重点实验室
Corresponding AuthorZhao, YX (reprint author), Chongqing Univ, Coll Aerosp Engn, Chongqing 400044, Peoples R China.
Recommended Citation
GB/T 7714
Qiu YJ,Zhang YL,Su YW,et al. Ultrasonic Nonlinearity Evaluation of the Cracked Interface[J]. MATHEMATICAL PROBLEMS IN ENGINEERING,2016:5023127.
APA Qiu YJ,Zhang YL,苏业旺,Cao P,Zhao YX,&Zhao, YX .(2016).Ultrasonic Nonlinearity Evaluation of the Cracked Interface.MATHEMATICAL PROBLEMS IN ENGINEERING,5023127.
MLA Qiu YJ,et al."Ultrasonic Nonlinearity Evaluation of the Cracked Interface".MATHEMATICAL PROBLEMS IN ENGINEERING (2016):5023127.
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