Fluid-Fluid coupling

  • Fluid-Fluid coupling

The problem of coupling two fluid models is of utmost interest in the modeling of the cardiovascular system. An important class of problems concerns the multi-resolution (or geometrical multi-scale) coupling, namely the 3D-1D or the 3D-0D coupling. The 3D fluid-fluid coupling can be addressed by domain decomposition methods, to the price of many sub-iterations at every time step. We introduce  a new approach that basically generalizes the FSI to the case of a fluid-fluid framework.

Fluid-Fluid coupling (left) vs Reference solution (right) in the aorta.  (movie)

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