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Title: A nonlinear ultrasound method for fatigue evaluation of marine structures
Authors: Li, FC
Sun, ZH
Li, HG
Zhou, LM 
Keywords: Non-collinear mixing waves
Nonlinear ultrasound
Third-order elastic constants
Issue Date: 2015
Publisher: Trans Tech Publications Ltd
Source: Materials science forum, 2015, v. 813, p. 116-123 How to cite?
Journal: Materials science forum 
Abstract: Fatigue is a major cause of failure in marine structures resulting from random wave and wind loading. A nonlinear ultrasound method for fatigue evaluation which uses interaction of two non-collinear nonlinear ultrasonic waves with quadratic nonlinearity is investigated in this paper. A hyperbolic system of conservation laws is applied here and a semi-discrete central scheme is used to solve the numerical problem. The numerical results prove that a resonant wave can be generated by two primary waves with certain resonant conditions. Features of the resonant wave are analyzed both in the time and frequency domains, and several regularities are found on intensity distribution of the resonant wave in two-dimensional domain.
Description: 1st International Conference on Advanced Composites for Marine Engineering, ICACME 2013, 10-12 September 2013
ISBN: 978-3038354062
ISSN: 0255-5476
EISSN: 1662-9752
DOI: 10.4028/
Appears in Collections:Conference Paper

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