期刊
JOURNAL OF SOUND AND VIBRATION
卷 333, 期 4, 页码 1097-1118出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsv.2013.09.033
关键词
-
资金
- Foundation for Polish Science under WELCOME research Project [2010-3/2]
The past decades have been marked by a significant increase in research interest in nonlinearities in micro-cracked and cracked solids. As a result, a number of different nonlinear acoustic methods have been developed for damage detection. A general consensus is that - under favourable conditions - nonlinear effects exhibited by cracks are stronger than crack-induced linear phenomena. However, there is still limited understanding of physical mechanisms related to various nonlinearities. This problem remains essential for implementation of nonlinear acoustics for damage-detection applications. This paper reviews modelling approaches used for nonlinear crack-wave interactions. Various models of classical and nonclassical crack-induced elastic, thermo-elastic and dissipative nonlinearities have been discussed. (C) 2013 Elsevier Ltd. All rights reserved.
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