The model has utilized the tie constraint to simulate the disorder condition of two leaflets fused together. The valve leaflets geometry has been developed with 12.5 mm height, 0.3 mm leaflet thickness and free edge angle of 40 degree. The numerical model has coupled computational fluid dynamics and finite element analysis simulation to analyze fluid-structure interaction phenomena of the bicuspid aortic valve. This study investigates haemodynamics of the diseased bicuspid aortic valve during systole by using numerical simulation. The bicuspid aortic valve is a congenital abnormality where two leaflets tie together resulting in a valve with bicuspid configuration instead of the normal tricuspid geometry.
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