Towards blood flow in the virtual human: Efficient self-coupling of HemeLB: Virtual Human Blood Flow with HemeLB February 6, 2021 J McCullough R Richardson A Patronis R Halver R Marshall M Ruefenacht B Wylie T Odaker M Wiedemann B Lloyd E Neufeld G Sutmann A Skjellum D Kranzlmuller P Coveney Blood Flow Modelling High-Performance Computing Lattice Boltzmann Method Virtual Human