113 citations · 346 across the 6 of their papers we have counts for
6 papers
Continuous hydraulic jumps in laminar channel flow
Dimitrios Razis, Giorgos Kanellopoulos, Ko van der Weele
On the basis of the viscous Saint-Venant equations, hydraulic jumps in laminar open channel flow are obtained as continuous shock structures. Thanks to the inclusion of viscosity,…
Phase Transitions in Models of Bird Flocking
H. Christodoulidi, K. van der Weele, Ch. G. Antonopoulos +1
The aim of the present paper is to elucidate the transition from collective to random behavior exhibited by various mathematical models of bird flocking. In particular, we compare…
Spontaneous Ratchet Effect in a Granular Gas
Devaraj van der Meer, Peter Reimann, Ko van der Weele +1
The spontaneous clustering of a vibrofluidized granular gas is employed to generate directed transport in two different compartmentalized systems: a "granular fountain" in which th…
Sudden Collapse of a Granular Cluster
Devaraj van der Meer, Ko van der Weele, Detlef Lohse
Single clusters in a vibro-fluidized granular gas in N connected compartments become unstable at strong shaking. They are experimentally shown to collapse very abruptly. The observ…
Hysteretic clustering in granular gas
Ko van der Weele, Devaraj van der Meer, Michel Versluis +1
Granular material is vibro-fluidized in N=2 and N=3 connected compartments, respectively. For sufficiently strong shaking the granular gas is equi-partitioned, but if the shaking i…
Bifurcation Diagram for Compartmentalized Granular Gases
Devaraj van der Meer, Ko van der Weele, Detlef Lohse
The bifurcation diagram for a vibro-fluidized granular gas in N connected compartments is constructed and discussed. At vigorous driving, the uniform distribution (in which the gas…