A Dual-Pressure Boundary Condition for use in Simulations of Bifurcating Conduits-Reference-Cited by-同舟云学术

A Dual-Pressure Boundary Condition for use in Simulations of Bifurcating Conduits

Published:2002-09-30 Issue:5 Volume:124 Page:617-619
ISSN:0148-0731
Container-title:Journal of Biomechanical Engineering
language:en
Short-container-title:

Author:

Gin Ron¹,Straatman Anthony G.²,Steinman David A.³⁴

Affiliation:

1. ICEM CFD Engineering, 38701 Seven Mile Road, Suite 150, Livonia, Michigan, USA 48152

2. The Advanced Fluid Mechanics Research Group, The Department of Mechanical & Materials Engineering, The University of Western Ontario, London, Ontario, Canada, N6A 5B9

3. The Department of Medical Biophysics, The University of Western Ontario, London, Ontario, Canada, N6A 5B9

4. Imaging Research Laboratory, The John P. Robarts Research Institute, London, Ontario, Canada, N6A 5K8

Abstract

A dual-pressure boundary condition has been developed for computational modelling of bifurcating conduits. The condition involves the imposition of a constant pressure on one branch while adjusting iteratively the pressure on the other branch until the desired flow division is obtained. The dual-pressure condition eliminates the need for specifying fully-developed flow conditions, which thereby enables significant reduction of the outlet branch lengths. The dual-pressure condition is suitable for both steady and time-periodic simulations of laminar or turbulent flows.

Publisher

ASME International

Subject

Physiology (medical),Biomedical Engineering

Link

http://asmedigitalcollection.asme.org/biomechanical/article-pdf/124/5/617/5526247/617_1.pdf

Reference10 articles.

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3. Rindt, C. C., Steevhoven, A. A., Janssen, J. D., and Renman, R. S., 1990, “A Numerical Analysis of Steady Flow in a Three-Dimensional Model of the Carotid Artery Bifurcation,” J. Biomech., 23, pp. 461–473.

4. McDonald, D. A. , 1955, “Method for the Calculation of the Velocity, Rate of Floe and Viscous Drag in Arteries when the Pressure Gradient is Known,” J. Physiol. 127, pp. 553–563.

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