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Numerical evaluation of elastic models in blood flow-arterial wall interaction

Oshima, M; Torii, R; (2006) Numerical evaluation of elastic models in blood flow-arterial wall interaction. International Journal of Computational Fluid Dynamics , 20 (3-4) 223 - 228. 10.1080/10618560600863621.

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Abstract

In order to obtain a better understanding of mechanism of cerebral aneurysms, the interaction between blood flow and arterial walls plays an important role. However, it is difficult to measure the in vivo behavior of blood flow and arterial walls in the cerebral circulation using medical imaging techniques due to the limitation of resolution and data acquisition of the current available systems. The authors have been developing a medical image-based simulation and database system to investigate the effects of vascular morphology on cerebral hemodynamics. This paper focuses on the blood flow-arterial wall interaction to investigate how the wall deformation affects the characteristics of blood flow. The simulation is conducted for a patient-specific model of a middle cerebral aneurysm, which is constructed from CT images. The effects of elastic models are examined using two types of elastic models: (1) linear elastic model; and (2) non-linear elastic model.

Type:Article
Title:Numerical evaluation of elastic models in blood flow-arterial wall interaction
DOI:10.1080/10618560600863621
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Mechanical Engineering

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