Project
Bicuspid Aortic Valve (BAV) FSI
Fluid-structure interaction simulation of blood flow through a bicuspid aortic valve. The simulation shows the valve leaflets opening and closing during the cardiac cycle with realistic tissue deformation.
1 Challenge
Simulating blood flow through a bicuspid aortic valve requires accurate modeling of the complex fluid-structure interaction between the blood and the valve leaflets during the cardiac cycle.
2 CFD Approach
The curvilinear immersed boundary (CURVIB) method coupled with a rotation-free thin-shell FE formulation was employed to carry out FSI simulations. The specific BAV morphology considered is the R-L type (RL-BAV), which occurs in approximately 70% of patients with BAV.
3 Results
Instantaneous contours of vorticity magnitude on a plane through the aorta during the systolic-diastolic phase show the opening and closing process of the right-left bicuspid aortic valve.
4 Engineering Conclusion
The simulation demonstrates the capability of the CURVIB method to capture complex FSI phenomena in cardiovascular flows.
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