Full wave simulations of pulsed focused fields in a nonlinear tissue mimic

TL Szabo, F Clougherty, GL Wojcik, JC Mould… - The Journal of the …, 1999 - pubs.aip.org
In order to simulate focused ultrasound fields in nonlinear tissue, a full wave pseudospectral
finite difference model has been developed. Unlike models based on the KZK equation, this …

Nonlinear pulse calculations and data in water and a tissue mimic

G Wojcik, T Szabo, J Mould, L Carcione… - … Symposium (Cat. No …, 1999 - ieeexplore.ieee.org
Nonlinear propagation is recognized as an important aspect of ultrasonic medical imaging.
In particular, rigorous estimates of tissue bioeffects must include it. Regulatory standards rely …

An iterative method for the computation of nonlinear, wide-angle, pulsed acoustic fields of medical diagnostic transducers

J Huijssen, MD Verweij - The Journal of the Acoustical Society of …, 2010 - pubs.aip.org
The development and optimization of medical ultrasound transducers and imaging
modalities require a computational method that accurately predicts the nonlinear acoustic …

Forward propagation of acoustic pressure pulses in 3D soft biological tissue

T Varslot, SE Måsøy - 2006 - mic-journal.no
A simulation method for forward propagation of acoustic pressure pulses in a medium with
three-dimensional (3D) spatially-variable acoustic properties is presented. The intended …

New international standards for high pressure therapeutic ultrasound fields

TL Szabo - The Journal of the Acoustical Society of America, 2018 - pubs.aip.org
High pressure levels of strongly focused therapeutic transducers create new challenges for
formulating international standards for measurement and simulation. Earlier efforts of …

Combined transducer and nonlinear tissue propagation simulations

GL Wojcik, JC Mould Jr… - ASME …, 1999 - asmedigitalcollection.asme.org
Ultrasonic imaging system evaluation is often based on models of the transducer as a
distribution of baffled piston sources, and of the tissue as a homogeneous, linear acoustic …

An enhanced numerical model to simulate nonlinear continuous wave ultrasound field

S Mashouf, J Tavakkoli - Canadian Acoustics, 2009 - jcaa.caa-aca.ca
A study was conducted to develop an enhanced numerical model to simulate nonlinear
continuous wave ultrasound field. The model was based on a second-order operator …

[图书][B] Modeling nonlinear ultrasound propagation in tissue

RJ Zemp - 2000 - collectionscanada.gc.ca
ABSTRACT A new, computationally efficient approach for rnodelling finite amplitude
ultrasound propagation is descnbed. The model is able to simulate nonlinear distortion of …

Nonlinear ultrasound propagation through layered liquid and tissue-equivalent media: computational and experimental results at high frequency

R Williams, E Cherin, TYJ Lam… - Physics in Medicine …, 2006 - iopscience.iop.org
Nonlinear propagation has been demonstrated to have a significant impact on ultrasound
imaging. An efficient computational algorithm is presented to simulate nonlinear ultrasound …

An improved interpolation approach for rapid simulations of pulse-echo ultrasound imaging

LP Thomas, R McGough - Journal of the Acoustical Society of America, 2015 - pubs.aip.org
New B-mode image simulation routines in FOCUS (http://www. egr. msu. edu/~ fultras-web)
apply linear interpolation to a finely sampled pressure signal that is calculated once per …