RIS

  • RIS valve model  

I’m using a Resistive Immersed Surface model applied to the cardiac valves behavior.  In fact without dealing the fluid-structure interaction between the blood flow and the valve leaflets, the valve is replaced by an immersed surface acting as a resistance on the fluid. The resistive immersed surface introduces an additional dissipative term in the momentum equation of the Navier-Stokes model. (RIS valve model)

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