2024/10/24 by Sadataka Furui, Furui, Sadataka, Serge Dos Santos +1
Computer Science · Engineering · #FOS: Physical sciences #Flow Measurement and Analysis #High Energy Physics - Lattice (hep-lat) #Optics (physics.optics) #Sensor Technology and Measurement Systems #Ultrasonics and Acoustic Wave Propagation
paper · pdf · doi:10.48550/arxiv.2411.05018
openalex publication_date 2024/10/24 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Localization and classification of scattered nonlinear ultrasonic signatures in 2 dimensional complex damaged media using Time Reversal based Nonlinear Elastic Wave Spectroscopy (TR-NEWS) approach is extended to 3 dimensional complex damaged media. In (2+1)D, i.e. space 2 dimensional time 1 dimensional spacetime, we used quaternion bases for analyses, while in (3+1)D, we use biquaternion bases. The optimal weight function of the path of ultrasonic wave in (3+1)D lattice is obtained by using the Echo State Network (ESN) which is a Machine Learning technique. The hysteresis effect is incorporated by using the Preisach-Mayergoyz model.