Wall shear stress (WSS) is well established as an indicator of increased risk for development of atherosclerotic plaques, platelet activation and thrombus formation . Prediction and simulation of the sites of wall shear stresses that are deemed dangerous before intervention would be of great aid to the surgeon. However, the geometries used for these types of simulations are often approximated to be rigid. To more accurately capture the flow and arterial wall response of a realistic human aorta, fluid-structure interaction (FSI) which allows movement of the wall, is needed. Hence, the pressure wave and its effect on the wall motion are resolved and enables a more physiological model as compared to a rigid wall case.
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Wall Shear Stress in an MRI-Based Subject-Specific Human Aorta Using Fluid-Structure Interaction
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Lantz, J, Renner, J, & Karlsson, M. "Wall Shear Stress in an MRI-Based Subject-Specific Human Aorta Using Fluid-Structure Interaction." Proceedings of the ASME 2010 Summer Bioengineering Conference. ASME 2010 Summer Bioengineering Conference, Parts A and B. Naples, Florida, USA. June 16–19, 2010. pp. 563-564. ASME. https://doi.org/10.1115/SBC2010-19346
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