Numerical simulation of 3-D flows with a non-oscillatory central scheme on unstructured tetrahedral grids Paul Arminjon ∗† Aziz Madrane ‡ Amik St-Cyr § CRM-2712 January 2001 * D´ ep. de math. et de stat., Universit´ e de Montr´ eal, C.P. 6128, Succ. centre-ville, Montr´ eal, Qu´ ebec, H3C 3J7, Canada; arminjon@crm.umontreal.ca † This research was supported by a grant from the National Science and Engineering Research Council of Canada, and by an FCAR grant from the Government of the Province of Qu´ ebec. ‡ Department of Math. and Stat., University of Ottawa, 585 King Edward, Ottawa, ON, K1N 6N5, Canada madrane@mathstat.uottawa.ca § D´ ep. de math. et de stat., Universit´ e de Montr´ eal, C.P. 6128, Succ. centre-ville, Montr´ eal, Qu´ ebec, H3C 3J7, Canada; stcyr@dms.umontreal.ca