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physics.flu-dyn2009
Ripples and Shear Bands in Plowed Granular Media
Nick Gravish, Paul Umbanhowar, Daniel I. Goldman
Monodisperse packings of dry, air-fluidized granular media typically exist between volume fractions from = 0.585 to 0.64. We demonstrate that the dynamics of granular drag are s…
physics.flu-dyn2005
Forcing function control of Faraday wave instabilities in viscous shallow fluids
Cristian Huepe, Yu Ding, Paul Umbanhowar +1
We investigate the relationship between the linear surface wave instabilities of a shallow viscous fluid layer and the shape of the periodic, parametric-forcing function (describin…