1. COMPUTER SIMULATION OF BLOOD FLOW WITH COMPLIANT WALLS  2004-2011 ITC Software All rights reserved.

2. THE FLUID-STRUCTURE INTERACTION ALGORITHM (LOOSE COUPLING) CFD Solver Geometry of interface surfaces and velocity Load transfer INTERFACE Surface tracking Loads CSD Solver Information exchange for the coupled fluid-structure interaction problem

3. Finite element mesh for fluid domain of the carotid artery bifurcation Blood density  =1.05 g/cm 3 Kinematic viscosity =0.035 cm 2 /s R e =300

4. Finite element mesh for solid domain (shells) of the carotid artery bifurcation Young’s modulus E=3.61 x10 6 g/s 2 cm Density of wall  =1.1 g/cm 3 Thickness:common carotid 0.031 cm distal segment internal carotid 0.022cm external carotid 0.020 cm Geometrical non-linearity (Updated Lagrangian)

5. Velocity distribution for t/t p =0.1

6. Effective stress distribution at the carotid bifurcation walls, t/t p =0.325

7. Wall shear stress field at t/t p =0.1 (deformable walls)

8. Blood velocity field in the carotid artery bifurcation for t/t p =0.1

9. ANIMATION

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