Abstract
Nowadays it is generally accepted that hemodynamics has significantly influence on the performance and patency of implanted bypass grafts. In this regard blood flow modelling in realistic geometries can provide a valuable insight into the problem of graft failures associated with restenosis and/or occlusive intimal hyperplasia [Haruguchi, 2003]. Present study tries to contribute to this investigation by modelling pulsatile non-Newtonian blood flow in three realistic aorto-coronary bypass models and by analysing the distribution of hemodynamically significant factors such as wall shear stress (WSS) and oscillatory shear index (OSI).
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