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Parametric geometry modeling of the carotid artery bifurcation: the need for new flow metrics

Bressloff, Neil W., Banks, Jim and Bhaskar, K. Vijaya (2004) Parametric geometry modeling of the carotid artery bifurcation: the need for new flow metrics At International Workshop on Flow and Motion. 11 - 13 Jul 2004. 2 pp, pp. 1-2.

Record type: Conference or Workshop Item (Paper)


Although well established correlations now exist between regions of reversed flow and sites of arterial disease [1], little evidence is available for methodologies that systematically compare how geometrical differences affect such relationships. Drawing on techniques developed in aerodynamic design, a parametric tuning-fork geometry model of the carotid artery bifurcation - based on the glass models described in [2] - is here employed to investigate the impact of bulb size and the angle of the internal carotid artery (ICA) on time-averaged shear stress. Since we seek to directly compare the effect of varying these geometric parameters, we demonstrate the need for a new metric, the integral of negative mean shear stress (INMSS), to highlight the stronger correlation between the extent of reversed flow and bulb width relative to the angle of the ICA.

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Published date: July 2004
Venue - Dates: International Workshop on Flow and Motion, 2004-07-11 - 2004-07-13


Local EPrints ID: 30266
PURE UUID: 59e44ed1-80f5-41d6-9894-f9d28966b802

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Date deposited: 18 May 2006
Last modified: 17 Jul 2017 15:54

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Author: Jim Banks
Author: K. Vijaya Bhaskar

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