Available at: http://hdl.handle.net/2078.1/138627 [Downloaded 2021/02/03 at 02:44:13 ] "Numerical study of unsteady shear, and gravity-driven granular flows" Varsakelis, Christos ; Papalexandris, Miltiadis ABSTRACT In this talk, we report on the results of a numerical study for unsteady, shear-driven granular flows and granular flows over inclined planes. The numerical simulations have been performed with the application of a new algorithm for two-phase continua that has been recently developed by our team. After a short description of the algorithm, we present representative results of our numerical simulations. Further, we discuss the characteristics of the emerging flow structures and their dependence on certain physical parameters of the granular phase, such as, initial concentration, viscosity coefficient, etc. The talk concludes with a comparison of our numerical predictions at large times with those of previous studies on steady granular flows. CITE THIS VERSION Varsakelis, Christos ; Papalexandris, Miltiadis. Numerical study of unsteady shear, and gravity-driven granular flows.64th Annual Meeting of the APS Division of Fluid Dynamics (USA, 20/11/2011). http:// hdl.handle.net/2078.1/138627 Le dépôt institutionnel DIAL est destiné au dépôt et à la diffusion de documents scientifiques émanant des membres de l'UCLouvain. Toute utilisation de ce document à des fins lucratives ou commerciales est strictement interdite. L'utilisateur s'engage à respecter les droits d'auteur liés à ce document, principalement le droit à l'intégrité de l'œuvre et le droit à la paternité. La politique complète de copyright est disponible sur la page Copyright policy DIAL is an institutional repository for the deposit and dissemination of scientific documents from UCLouvain members. Usage of this document for profit or commercial purposes is stricly prohibited. User agrees to respect copyright about this document, mainly text integrity and source mention. Full content of copyright policy is available at Copyright policy