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TECHNICAL BRIEF

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

[+] Author and Article Information
Ron Gin

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

Anthony G. Straatman

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

David A. Steinman

The Department of Medical Biophysics, The University of Western Ontario, London, Ontario, Canada, N6A 5B9Imaging Research Laboratory, The John P. Robarts Research Institute, London, Ontario, Canada, N6A 5K8

J Biomech Eng 124(5), 617-619 (Sep 30, 2002) (3 pages) doi:10.1115/1.1504446 History: Received April 01, 2001; Revised May 01, 2002; Online September 30, 2002
Copyright © 2002 by ASME
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References

Figures

Grahic Jump Location
Schematic illustration of the Carotid bifurcation model showing the branch configuration and the coordinate system. The physical dimensions of the branches are Rcom=0.4 [cm],Rint=0.6942Rcom and Rext=0.5778Rcom.
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Comparison of velocity profiles on the vessel symmetry plane for several positions between the bifurcation and the ICA and ECA outlets. The Full Model refers to that with outlet branches of length 24Rcom(12Dcom) while the Shortened Model refers to that with outlet branches of length 12Rcom(6Dcom).
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Comparison of wall shear stress contours in the vicinity of the bifurcation for the Full Model and the Shortened Model. The label values have units of [dynes/cm2].
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Evolution of the average pressure on the ECA face for steady computations. Results are shown for the Shortened Model.

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