A novel hybrid Eulerian/Lagrangian finite element model effectively simulates the interaction between pulsatile blood flow and elastic artery deformation.
Hybrid model extends FSI simulations of pulsatile arterial flow; leaves open clinical validation before practice impact.
New hybrid Eulerian/Lagrangian model is presented accounting for the two-way coupling between the pulsating blood flow and the artery deformability. The Streamline-Upwind/Petrove--Galerkin (SUPG) finite element technique is used to treat for the convective nature of the momentum equation. The deformability of the artery walls is accounted for by treating the wall as an elastic beam under transverse unsteady distributed load, namely the fluid pressure. The results of the present contribution compare well against the available published data.
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Elbanhawy et al. (2019) studied this question.
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