Key result
In a computational fluid-structure interaction model of a stenosed artery, the Carreau non-Newtonian model closely matched Newtonian flow, whereas the Power Law model demonstrated more significant vortices and lower wall shear stresses.
Computational modeling using the Power Law non-Newtonian model reveals more significant vortices and smaller wall shear stresses in stenosed arteries compared to Newtonian models.
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Power Law assumptions may alter predicted vortices and wall shear stress in stenosed artery models; leaves open optimal rheology for clinical translation.
Chan et al. (2007) studied Stenosed artery (computational model). Non-Newtonian blood flow models (Carreau and Power Law) vs. Newtonian blood flow model was evaluated. In a computational fluid-structure interaction model of a stenosed artery, the Carreau non-Newtonian model closely matched Newtonian flow, whereas the Power Law model demonstrated more significant vortices and lower wall shear stresses.
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