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Field and laboratory measurements of shear wave velocity in unsaturated soils [PDF]

open access: yesE3S Web of Conferences, 2023
Shear wave velocity measurements in soil are important for assigning site soil profiles to seismic site classes and for calculating other dynamic soil properties.
Abuawad Tareq   +2 more
doaj   +1 more source

Shear Wave Velocity Estimation Using the Real-Time Curve Tracing Method in Ultrasound Elastography

open access: yesApplied Sciences, 2021
The estimation of shear wave velocity is very important in ultrasonic shear wave elasticity imaging (SWEI). Since the stability and accuracy of ultrasonic testing equipment have been greatly improved, in order to further improve the accuracy of shear ...
Yu Li   +4 more
doaj   +1 more source

Reverse Time Migration Imaging Using SH Shear Wave Data

open access: yesApplied Sciences, 2022
In this paper, we discussed the reverse time migration imaging of compressional wave (P-wave) and horizontally polarized shear wave (SH shear wave) seismic data, together with P- and SH shear wave constrained velocity model building. In the Sanhu area in
Chengyao Zhou   +4 more
doaj   +1 more source

Simulation of Optical Coherence Elastography in Agar Based on Finite Element Analysis [PDF]

open access: yesE3S Web of Conferences, 2021
The finite element method is used to simulate the optical coherent elastic imaging in Agar. The shear wave velocity in Agar was measured by ARF-OCE system, and then the Agar model was established by finite element method, and then the shear wave velocity
Tao Xingming   +4 more
doaj   +1 more source

Wave-Current Impact on Shear Stress Patterns around 3D Shallow Bedforms

open access: yesJournal of Marine Science and Engineering, 2022
Observations from wave basin experiments and wave-resolving numerical simulations demonstrate the effect of wave-current interaction on shear stress around a sandy mound.
Julia Hopkins   +3 more
doaj   +1 more source

P- 45 ENDOSCOPIC ULTRASOUND SHEAR-WAVE ELASTOGRAPHY OF THE RIGHT AND LEFT HEPATIC LOBE PREDICTS LIVER CIRRHOSIS: A DIAGNOSTIC TRIAL

open access: yesAnnals of Hepatology, 2023
Introduction and Objectives: The diagnostic work-up of chronic liver disease includes less invasive procedures such as transient elastography (TE), abdominal ultrasonography, esophagogastroduodenoscopy, and more invasive procedures, mainly portal ...
Carlos Robles-Medranda   +12 more
doaj   +1 more source

Regional assessments of supraspinatus muscle stiffness in normal adults using shear wave elastography

open access: yesHeliyon, 2023
Objectives: To provide normal references for regional shear wave elastography assessments of supraspinatus muscle in a population. Methods: Shear wave elastography images of supraspinatus muscles were evaluated on 100 shoulders of 50 normal adults in a ...
Lan Jiang   +5 more
doaj   +1 more source

Shear wave elastography with a new reliability indicator [PDF]

open access: yesJournal of Ultrasonography, 2016
Non-invasive methods for liver stiffness assessment have been introduced over recent years. Of these, two main methods for estimating liver fibrosis using ultrasound elastography have become established in clinical practice: shear wave elastography and ...
Christoph F. Dietrich, Yi Dong
doaj   +1 more source

Indirect determination of shear wave velocity in slow formations using full-wave sonic logging technique

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2020
This article presents a case study concerning a seismic characterization project. Full-wave sonic logging was used to characterize the shallow compressional wave and shear wave velocity profiles in the site.
Francisco Beltran   +2 more
doaj   +1 more source

Direct surface wave tomography for three dimensional structure based on surface wave traveltimes: Methodology review and applications

open access: yes地球与行星物理论评, 2023
Surface wave tomography using dispersion data to obtain isotropic and anisotropic shear wave velocity structures is a very efficient approach to study regional and global tectonics and deformation and to probe high-resolution crustal, upper mantle and ...
Huajian Yao   +4 more
doaj   +1 more source

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