Numerical Simulation Of Blood Flow In Stenotic Arteries
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Numerical Simulation Of Blood Flow In Stenotic Arteries
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Author : Sau-chung Fu
language : en
Publisher:
Release Date : 2011
Numerical Simulation Of Blood Flow In Stenotic Arteries written by Sau-chung Fu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Arteries categories.
Numerical Simulation Of Blood Flow In Arterial Stenosis Under Steady And Pulsatile Flow Conditions
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Author : Parth Pranavbhai Dave
language : en
Publisher:
Release Date : 2011
Numerical Simulation Of Blood Flow In Arterial Stenosis Under Steady And Pulsatile Flow Conditions written by Parth Pranavbhai Dave and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Electronic dissertations categories.
Cardiovascular diseases (CVDs) are among the leading causes of death in the world. In this study, an attempt was made to model the flow dynamics of blood in abnormally narrowed artery. Finite volume solver FLUENT was used for the analysis with the aim of understanding the consequences of increasing the degree of stenosis using a two-equation turbulence model. The compliant nature of the artery was neglected, and Newtonian behavior of the blood flow was assumed for the larger arteries. Steady-flow simulations with 75% area reductions were used to establish the validity of the current models by employing the standard and transitional variant of the k -w turbulence models. Subsequently, it was found that transitional k -w model was suitable for the low Reynolds number internal flows associated with the transition to turbulence, although only a minor departure in terms of the turbulence intensity peak was observed. Unsteady blood flow was introduced by employing a sinusoidal pulsatile waveform at the inlet. The pulsatile nature of the blood flow was investigated in the range of the constriction ratio from 60% to 90%, with an inlet-specified pulse. It was hypothesized that the severity of the stenosis played a major role in the initiation of the turbulence, since no major turbulence was reported for the 60% and 75% area reductions, while increasing the constriction ratio of 90% significantly altered the flow dynamics and triggered the transition to turbulence much earlier than anticipated. The outcome of current numerical efforts was expressed in terms of wall shear stress, a hemodynamically relevant parameter.
Numerical Simulation Of Blood Flow In The Stenotic Carotid Artery Bifurcation
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Author : Jennifer Sara Stroud
language : en
Publisher:
Release Date : 2000
Numerical Simulation Of Blood Flow In The Stenotic Carotid Artery Bifurcation written by Jennifer Sara Stroud and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
A Numerical Simulation Of Blood Flow Through Multiple Stenosed Artery
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Author : Noratikah Abu
language : en
Publisher:
Release Date : 2010
A Numerical Simulation Of Blood Flow Through Multiple Stenosed Artery written by Noratikah Abu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Mathematical Modelling And Numerical Simulation Of Blood Flow Through Stenotic Arteries
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Author : Somkid Amornsamankul
language : en
Publisher:
Release Date : 2008
Mathematical Modelling And Numerical Simulation Of Blood Flow Through Stenotic Arteries written by Somkid Amornsamankul and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
Coronary artery diseases are a main cause of death in many countries. The understanding of blood flow through the arteries will provide more effective strategies to prevent and deal with artery diseases. The aim of this study is to develop a sophisticated simulation technique for the study of blood flow through the stenosed coronary artery. This work involves the construction of a three-dimensional fluid-structure interaction model coupling blood flow with arterial wall deformation, and development of numerical algorithms utilizing the current state of art technology in computational fluid dynamics.
Numerical Simulation Of Blood Flow And Vessel Wall Stresses In Stenosed Arteries
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Author : Li M. Mingxiu
language : en
Publisher:
Release Date : 2007
Numerical Simulation Of Blood Flow And Vessel Wall Stresses In Stenosed Arteries written by Li M. Mingxiu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Numerical Simulation Of Blood Flow In The Stenotic Carotid Bifurcation
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Author : Vitaliy Lvovich Rayz
language : en
Publisher:
Release Date : 2005
Numerical Simulation Of Blood Flow In The Stenotic Carotid Bifurcation written by Vitaliy Lvovich Rayz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Numerical Simulation Of Blood Flow And Vessel Wall Stresses In Stenosed Arteries
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Author : Mingxiu Li
language : en
Publisher:
Release Date : 2007
Numerical Simulation Of Blood Flow And Vessel Wall Stresses In Stenosed Arteries written by Mingxiu Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Modeling Of Blood Flow In Stenosed Lad Coronary Artery
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Author : Zahraa A. Al-Saffar
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2013
Modeling Of Blood Flow In Stenosed Lad Coronary Artery written by Zahraa A. Al-Saffar and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Atherosclerosis is the most common causes of vascular diseases.So;looking for the physical factors and correlations that explain the phenomena of existence the atherosclerosis disease in LAD artery in some people rather than the others is achieved in this study by analysis data from coronary angiography as well as estimating the blood velocity from coronary angiography scans without having a required data on velocity by using some mathematical equations and physical laws. It found some information that may explain the ability of small arteries to develop the lesions with time mainly in proximal site of LAD artery. For investigation the fluid-structural response to pulsatile Newtonian and non-Newtonian blood flow through an axisymmetric stenosed coronary artery;the simulation is built up by using ANSYS11 to evaluate the biomechanical parameters in the atherosclerotic process. Rigid and Newtonian cases were investigated to provide an understanding on the effects of incorporating Fluid-Structural Interaction (FSI) into model. non-Newtonian Carreau model was investigated with FSI. For validation of the models and methods used, the computation results are compared with previous studies.
Numerical Simulation Of Blood Flow In Arteries
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Author : Thomas Fundi Rutaganira
language : en
Publisher:
Release Date : 1997
Numerical Simulation Of Blood Flow In Arteries written by Thomas Fundi Rutaganira and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.