Dispersion curve calculation in viscoelastic tissue-mimicking materials using non-parametric, parametric, and high-resolution methods.
Sign Up to like & getrecommendations! Published in 2020 at "Ultrasonics"
DOI: 10.1016/j.ultras.2020.106257
Abstract: Ultrasound shear wave elastography is a modality used for noninvasive, quantitative evaluation of soft tissue mechanical properties. A common way of exploring the tissue viscoelasticity is through analyzing the shear wave velocity dispersion curves. The… read more here.
Keywords: tissue mimicking; velocity; tissue; dispersion ... See more keywords
Study of an Automatic Picking Method for Multimode Dispersion Curves of Surface Waves Based on an Improved U-Net
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3224919
Abstract: Surface wave exploration has been increasingly used in near-surface geophysical investigations. However, the accuracy and efficiency of picking dispersion curves are the key to surface wave inversion. Traditional dispersion curve extraction requires manual picking, and… read more here.
Keywords: improved net; dispersion curves; dispersion; extraction ... See more keywords
Dispersion curve analysis method for Lamb wave mode separation
Sign Up to like & getrecommendations! Published in 2019 at "Structural Health Monitoring"
DOI: 10.1177/1475921719890590
Abstract: The Lamb wave inspection has emerged as a promising method for structural health monitoring and nondestructive testing. However, because of the highly dispersive and multimodal features, the Lamb wave mode separation has become a challenging… read more here.
Keywords: mode separation; method; dispersion; wave mode ... See more keywords
Velocity modeling based on Rayleigh wave dispersion curve and sparse optimization inversion
Sign Up to like & getrecommendations! Published in 2021 at "Inverse Problems and Imaging"
DOI: 10.3934/ipi.2021031
Abstract: This paper studies the S wave velocity modeling based on the Rayleigh wave dispersion curve inversion. We first discuss the forward simulation, and present a fast root-finding method with cubic-order of convergence speed to obtain… read more here.
Keywords: dispersion curve; rayleigh wave; wave dispersion;