Pulse compression of guided wave by airborne ultrasound excitation for improving defect detection accuracy in concrete

K Shimizu, A Osumi, Y Ito - Japanese Journal of Applied Physics, 2023 - iopscience.iop.org
Scanning airborne ultrasound source technique has been developed as a safe and simple
non-contact non-destructive inspection method. This method enables non-contact excitation …

Ultrasonic focusing using a stacked thin-plate region

T Fukuchi, T Hayashi, N Mori - Japanese Journal of Applied …, 2023 - iopscience.iop.org
This paper describes a stacked thin-plate region for focusing the transmitted waves. The
region was designed to focus the wave field in the bulk medium by utilizing the dispersion …

Guided Waves Propagation in Wedge-Shaped Structures: An Analytic Integral Double-Laguerre Polynomial Approach

J Li, H Zhou, J Yu - Available at SSRN 4808908 - papers.ssrn.com
In this paper, a double-Laguerre polynomial method with analytic integration is proposed for
the study of guided waves in wedge-shaped structures. Compared with the traditional …

3Pa1-4 Ultrasonic focusing by designing a stacked thin plate region

T Fukuchi, T Hayashi, N Mori - Proceedings of Symposium on …, 2022 - jstage.jst.go.jp
Controlling elastic wave propagation has been widely studied as phononic crystals, acoustic
metamaterials, and acoustic metasurfaces. Ultrasonic focusing, one of the applications of …