Modeling the Propagation of a Modulated Ultrasonic Wave in a Nonlinear Medium
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F17%3APU125752" target="_blank" >RIV/00216305:26220/17:PU125752 - isvavai.cz</a>
Výsledek na webu
<a href="https://ieeexplore.ieee.org/document/8261843" target="_blank" >https://ieeexplore.ieee.org/document/8261843</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1109/PIERS.2017.8261843" target="_blank" >10.1109/PIERS.2017.8261843</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Modeling the Propagation of a Modulated Ultrasonic Wave in a Nonlinear Medium
Popis výsledku v původním jazyce
The present article discusses the possibilities of transmitting and focusing a modulated ultrasonic wave in a nonlinear medium. From a more concrete perspective, the analyzed problem consists in the propagation of an ultrasonic wave in such a medium. The examined subject is connected with mathematical tools related to the Westervelt equation, which describes and models the propagation of ultrasonic waves in the context outlined herein, enabling us to simulate the propagation and focusing of ultrasonic waves in various media. The paper characterizes the Westervelt equation in detail and introduces the mathematical tools that facilitate the numerical solution of the problem. In this context, the first chapter describes the individual parts of the equation, presenting a numerical instrument based on the pseudospectral Fourier collocation method to allow its solution. The second section of the text defines the input parameters and properties of the applied medium for the modeling and propagation of an ultrasonic wave and refers to two types of amplitude modulation in which we investigated the influence on the propagation and distortion of the transmitted sound beam. The final chapter then summarizes the results and proposes a comparison of the simulations performed. To solve the discussed problem, we used the k-wave toolbox for Matlab.
Název v anglickém jazyce
Modeling the Propagation of a Modulated Ultrasonic Wave in a Nonlinear Medium
Popis výsledku anglicky
The present article discusses the possibilities of transmitting and focusing a modulated ultrasonic wave in a nonlinear medium. From a more concrete perspective, the analyzed problem consists in the propagation of an ultrasonic wave in such a medium. The examined subject is connected with mathematical tools related to the Westervelt equation, which describes and models the propagation of ultrasonic waves in the context outlined herein, enabling us to simulate the propagation and focusing of ultrasonic waves in various media. The paper characterizes the Westervelt equation in detail and introduces the mathematical tools that facilitate the numerical solution of the problem. In this context, the first chapter describes the individual parts of the equation, presenting a numerical instrument based on the pseudospectral Fourier collocation method to allow its solution. The second section of the text defines the input parameters and properties of the applied medium for the modeling and propagation of an ultrasonic wave and refers to two types of amplitude modulation in which we investigated the influence on the propagation and distortion of the transmitted sound beam. The final chapter then summarizes the results and proposes a comparison of the simulations performed. To solve the discussed problem, we used the k-wave toolbox for Matlab.
Klasifikace
Druh
D - Stať ve sborníku
CEP obor
—
OECD FORD obor
20201 - Electrical and electronic engineering
Návaznosti výsledku
Projekt
Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.
Návaznosti
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Ostatní
Rok uplatnění
2017
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název statě ve sborníku
PIERS Proceedings 2017
ISBN
978-1-5090-6269-0
ISSN
—
e-ISSN
—
Počet stran výsledku
4
Strana od-do
759-762
Název nakladatele
Neuveden
Místo vydání
neuveden
Místo konání akce
Petrohrad
Datum konání akce
22. 5. 2017
Typ akce podle státní příslušnosti
WRD - Celosvětová akce
Kód UT WoS článku
000427596700144