Variability of Computational Fluid Dynamics Solutions for Pressure and Flow in a Giant Aneurysm: The ASME 2012 Summer Bioengineering Conference CFD Challenge - Steinman, DA; Hoi, Y; Fahy, P; Morris, L; Walsh, MT; Aristokleous, N; Anayiotos, AS; Papaharilaou, Y; Arzani, A; Shadden, SC; Berg, P; Janiga, G; et al. (JOURNAL OF BIOMECHANICAL ENGINEERING-TRANSACTIONS OF THE ASME, 2013)