Why are viscosity and nonlinearity bound to make an impact in clinical elastographic diagnosis?

G Rus, IH Faris, J Torres, A Callejas, J Melchor - Sensors, 2020 - mdpi.com
The adoption of multiscale approaches by the biomechanical community has caused a
major improvement in quality in the mechanical characterization of soft tissues. The recent …

Viscoelasticity imaging of biological tissues and single cells using shear wave propagation

H Li, G Flé, M Bhatt, Z Qu, S Ghazavi, L Yazdani… - Frontiers in …, 2021 - frontiersin.org
Changes in biomechanical properties of biological soft tissues are often associated with
physiological dysfunctions. Since biological soft tissues are hydrated, viscoelasticity is likely …

Shear induced non-linear elasticity imaging: Elastography for compound deformations

S Goswami, R Ahmed, S Khan… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
The goal of non-linear ultrasound elastography is to characterize tissue mechanical
properties under finite deformations. Existing methods produce high contrast non-linear …

Monitoring of ultrasonic velocity in concrete specimens during compressive loading-unloading cycles

RML Gondim, VG Haach - Construction and Building Materials, 2021 - Elsevier
Concrete structures are constantly subjected to cracks and stress variations due to the cyclic
nature of actions, which lead to opposite effects in the wave propagation velocities. This …

Comparison of ultrasound elastography, magnetic resonance elastography and finite element model to quantify nonlinear shear modulus

G Pagé, M Bied, P Garteiser, B Van Beers… - Physics in Medicine …, 2023 - iopscience.iop.org
Objective. The aim of this study is to validate the estimation of the nonlinear shear modulus
($ A $) from the acoustoelasticity theory with two experimental methods, ultrasound (US) …

Shear wave elastography can assess the in-vivo nonlinear mechanical behavior of heel-pad

PE Chatzistergos, S Behforootan, D Allan… - Journal of …, 2018 - Elsevier
This study combines non-invasive mechanical testing with finite element (FE) modelling to
assess for the first time the reliability of shear wave (SW) elastography for the quantitative …

A comparison of hyperelastic constitutive models applicable to shear wave elastography (SWE) data in tissue-mimicking materials

DP Rosen, J Jiang - Physics in Medicine & Biology, 2019 - iopscience.iop.org
Shear wave elastography (SWE) techniques have received substantial attention in recent
years. Strong experimental data in SWE suggest that shear wave speed changes …

Nonlinear shear modulus estimation with bi-axial motion registered local strain

S Goswami, R Ahmed, MM Doyley… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
Nonlinear elasticity imaging provides additional information about tissue behavior that is
potentially diagnostic and avoids errors inherent in applying a linear elastic model to tissue …

Imaging the local nonlinear viscoelastic properties of soft tissues: Initial validation and expected benefits

S Goswami, R Ahmed, F Feng, S Khan… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
Imaging tissue mechanical properties has shown promise in noninvasive assessment of
numerous pathologies. Researchers have successfully measured many linear tissue …

Analysis of multiple shear wave modes in a nonlinear soft solid: Experiments and finite element simulations with a tilted acoustic radiation force

A Caenen, AE Knight, NC Rouze, NB Bottenus… - Journal of the …, 2020 - Elsevier
Tissue nonlinearity is conventionally measured in shear wave elastography by studying the
change in wave speed caused by the tissue deformation, generally known as the …