Steering the propagation direction of a non-linear acoustic wave in a solid material

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

In this research non-collinear wave mixing is used as a non-destructive testing method where the amplitude of the scattering wave contains information on the condition of a material. The practical implementation of non-collinear wave mixing as a non-destructive testing technique is limited by many factors such as the geometry and shape of the structure, the accessibility to the specimen’s surfaces and the ultrasonic sensors available to perform measurements. A novel approach to steer the propagation direction of a generated wave from the mixing of two incident acoustic waves is proposed. The angle of the scattering wave is controlled by the frequencies of the two interaction waves, rather than by the angle between these waves. The scattering amplitude was analytically solved for the longitudinal plus shear interaction process. The analytical solution was validated with experiments. The model qualitatively agrees with the experiments. Furthermore, the possibility to use a wider range of excitation frequencies of the incident waves was found. This is a great advantage in applications where the space and access to the specimen under test is limited.
Original languageEnglish
Pages (from-to)28-34
Number of pages7
JournalUltrasonics
Volume98
Early online date29 May 2019
DOIs
Publication statusPublished - 1 Sep 2019

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propagation
acoustics
wave scattering
wave interaction
scattering amplitude
ultrasonics
shear
sensors
geometry
excitation
interactions

Cite this

@article{ef53cdba002c45e0ac719acef9813a76,
title = "Steering the propagation direction of a non-linear acoustic wave in a solid material",
abstract = "In this research non-collinear wave mixing is used as a non-destructive testing method where the amplitude of the scattering wave contains information on the condition of a material. The practical implementation of non-collinear wave mixing as a non-destructive testing technique is limited by many factors such as the geometry and shape of the structure, the accessibility to the specimen’s surfaces and the ultrasonic sensors available to perform measurements. A novel approach to steer the propagation direction of a generated wave from the mixing of two incident acoustic waves is proposed. The angle of the scattering wave is controlled by the frequencies of the two interaction waves, rather than by the angle between these waves. The scattering amplitude was analytically solved for the longitudinal plus shear interaction process. The analytical solution was validated with experiments. The model qualitatively agrees with the experiments. Furthermore, the possibility to use a wider range of excitation frequencies of the incident waves was found. This is a great advantage in applications where the space and access to the specimen under test is limited.",
author = "{Hernandez Delgadillo}, Hector and Richard Loendersloot and Doekle Yntema and Tiedo Tinga and Remko Akkerman",
year = "2019",
month = "9",
day = "1",
doi = "10.1016/j.ultras.2019.05.011",
language = "English",
volume = "98",
pages = "28--34",
journal = "Ultrasonics",
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publisher = "Elsevier",

}

Steering the propagation direction of a non-linear acoustic wave in a solid material. / Hernandez Delgadillo, Hector ; Loendersloot, Richard ; Yntema, Doekle; Tinga, Tiedo ; Akkerman, Remko.

In: Ultrasonics, Vol. 98, 01.09.2019, p. 28-34.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Hernandez Delgadillo, Hector

AU - Loendersloot, Richard

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AU - Tinga, Tiedo

AU - Akkerman, Remko

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AB - In this research non-collinear wave mixing is used as a non-destructive testing method where the amplitude of the scattering wave contains information on the condition of a material. The practical implementation of non-collinear wave mixing as a non-destructive testing technique is limited by many factors such as the geometry and shape of the structure, the accessibility to the specimen’s surfaces and the ultrasonic sensors available to perform measurements. A novel approach to steer the propagation direction of a generated wave from the mixing of two incident acoustic waves is proposed. The angle of the scattering wave is controlled by the frequencies of the two interaction waves, rather than by the angle between these waves. The scattering amplitude was analytically solved for the longitudinal plus shear interaction process. The analytical solution was validated with experiments. The model qualitatively agrees with the experiments. Furthermore, the possibility to use a wider range of excitation frequencies of the incident waves was found. This is a great advantage in applications where the space and access to the specimen under test is limited.

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