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Estimation of dispersion curves by combining effective elastic constants and SAFE method: a case study in a plate under stress

Quiroga, J.; Mujica, L.E.; Villamizar, R.; Ruiz, M.; Camacho, J.
Type of activity
Presentation of work at congresses
Name of edition
12th International Conference on Damage Assessment of Structures
Date of publication
Presentation's date
Book of congress proceedings
DAMAS 2017: 12th International Conference on Damage Assessment of Structures : Kitakyushu, Japó: July 10-12, 2017: proceedings book
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Project funding
Development and validation of failure detection and design of fault-tolerant control strategies with application in offshore wind energy plants
This paper presents the application of a Semi-Analytical Finite Element (SAFE) on determining the dispersion curves in homogeneous and isotropic plates subject to stress. Acoustoelasticity theory, dictates a stress dependence of the ultrasound bulk velocities since small non-linearities in the stress-strain relationships become significant changing the behavior of the lamb waves. The effect of anisotropic stress on lamb waves produces anisotropy in the lamb wave dispersion curves affecting the ...
Group of research
CoDAlab - Control, Dynamics and Applications