Determination of pressure data from velocity data with a view towards its application in cardiovascular mechanics. Part 2: A study of aortic valve stenosis

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F17%3A10372253" target="_blank" >RIV/00216208:11320/17:10372253 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.jengsci.2017.01.001" target="_blank" >http://dx.doi.org/10.1016/j.jengsci.2017.01.001</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jengsci.2017.01.001" target="_blank" >10.1016/j.jengsci.2017.01.001</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Determination of pressure data from velocity data with a view towards its application in cardiovascular mechanics. Part 2: A study of aortic valve stenosis

Popis výsledku v původním jazyce

This paper is Part 2 of a study of blood flow across cardiovascular stenoses. In Part 1, we developed a rigorous mathematical approach for deriving a pressure field from experimental data for a velocity field that can be obtained by direct measurement. In this Part, existing methods for quantifying stenoses, with specific reference to cardiac valves, are reviewed. Using the mathematically rigorous and physically accurate approach that we developed in Part 1, for a pre-specified flow velocity field proximal to the stenosis and pressure waveform field distal to the stenosis, we ascertain the intro-stehosis and distal flow velocity field, pressure field proximal and within the stenosis, and energy dissipation, all as function of position and time. The computed dissipation, kinetic energy and pressure are then presented in an idealized geometry, but with realistic geometry, with a symmetric stenosis.

Název v anglickém jazyce

Determination of pressure data from velocity data with a view towards its application in cardiovascular mechanics. Part 2: A study of aortic valve stenosis

Popis výsledku anglicky

This paper is Part 2 of a study of blood flow across cardiovascular stenoses. In Part 1, we developed a rigorous mathematical approach for deriving a pressure field from experimental data for a velocity field that can be obtained by direct measurement. In this Part, existing methods for quantifying stenoses, with specific reference to cardiac valves, are reviewed. Using the mathematically rigorous and physically accurate approach that we developed in Part 1, for a pre-specified flow velocity field proximal to the stenosis and pressure waveform field distal to the stenosis, we ascertain the intro-stehosis and distal flow velocity field, pressure field proximal and within the stenosis, and energy dissipation, all as function of position and time. The computed dissipation, kinetic energy and pressure are then presented in an idealized geometry, but with realistic geometry, with a symmetric stenosis.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

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OECD FORD obor

10102 - Applied mathematics

Projekt

<a href="/cs/project/LH14054" target="_blank" >LH14054: Zobrazení, kvantifikace a modelování hemodynamiky v mozkových aneuryzmatech</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

International Journal of Engineering Science

ISSN

0020-7225

e-ISSN

—

Svazek periodika

114

Číslo periodika v rámci svazku

May

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

15

Strana od-do

1-15

Kód UT WoS článku

000394199000003

EID výsledku v databázi Scopus

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