Experimental Validation of Non-Collinear Wave Mixing Model in a PVC Specimen

Hector Hernandez Delgadillo, Richard Loendersloot, Doekle Yntema, Tiedo Tinga, Remko Akkerman

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    1 Citation (Scopus)
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    A scattering wave generated from the interaction of two incident acoustic waves contains information on the third order elastic constants of a solid material. The scattering amplitude is known to be dependent on the interaction angle between the two incident waves. However, the realization of experimental tests is hampered due to the geometry and accessibility to the surfaces. In this research, the amplitude of the scattering wave is investigated as a function of the excitation frequency of the incident waves, while the interaction angle is kept constant. The amplitude coefficient and scattering amplitude were solved analytically for two interaction processes. The analytical solutions were validated with experiments. The model qualitatively agrees with the experiments. The two main results are stressed: the angle of the scattering wave is controlled by the frequency ratio of the two interaction waves, rather than by the angle between these waves. The second advantage is the possibility to use a wider range of excitation frequencies of the incident waves. This is a great advantage in applications where, for example, there is only access to one surface of a flat specimen
    Original languageEnglish
    Title of host publication2018 IEEE International Ultrasonics Symposium (IUS)
    Number of pages4
    ISBN (Electronic)978-1-5386-3425-7
    ISBN (Print)978-1-5386-3426-4
    Publication statusPublished - 20 Dec 2018
    EventIEEE International Ultrasonics Symposium, IUS 2018 - Poropia Hotel, Kobe, Japan
    Duration: 22 Oct 201825 Oct 2018


    ConferenceIEEE International Ultrasonics Symposium, IUS 2018
    Abbreviated titleIUS 2018


    • non-collinear wave mixing
    • PVC
    • Amplitude
    • Interaction angle


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