Rapid Blood Flow Computation on Digital Subtraction Angiography: Preliminary Results
In this study, we simulate blood flow in complex geometries obtained by digital subtraction angiography (DSA) images. We represent the flow domain by a set of irregularly distributed nodes or uniform Cartesian embedded grid, and we numerically solve the non-stationary Navier–Stokes (N-S) equations, in their velocity–vorticity formulation, by using a meshless point collocation method. The spatial derivatives are computed with the discretization corrected particle strength exchange (DC PSE) method, a recently developed meshless interpolation method. For the transient term a fourth order Runge–Kutta time integration scheme is used.
KeywordsBlood flow Computational fluid dynamics Meshless Navier–Stokes Explicit Runge–Kutta
This research was supported by the Australian Government through the Australian Research Council’s Discovery Projects funding scheme (project DP160100714).