Granular materials are ubiquitous in our daily lives. While they have been the subject of
intensive engineering research for centuries, in the last two decades granular matter has …

Recent advances in understanding model systems of wet granular materials are presented,
with particular emphasis on statistical concepts, dynamics, and phase transitions. It is …

We have performed an experimental study on the evolution of sand ripples formed under the
action of an oscillatory flow. An annular sand-water cell was used in order to investigate a …

-Ecoulements ouverts: instabilités convective et absolue.-Instabilité non visqueuse des
écoulements cisaillés (couches de mélange, jets, sillages), théorème du point d'inflexion de …

Analyzes the instabilities that can upset the patterning when sand ripples are subjected to
large changes in driving amplitude or frequency, causing them to deform parallel and …

Dynamical instabilities in fluid mechanics are responsible for a variety of important common
phenomena, such as waves on the sea surface or Taylor vortices in Couette flow. In granular …

Sand ripples formed by waves have a uniform wavelength while at equilibrium and develop
defects while adjusting to changes in the flow. These patterns arise from the interaction of …

We consider a stochastic lattice Cahn-Hilliard equation with nonautonomous nonlinear
noise. First, we prove the existence of pullback random attractors in $\ell^ 2$ for the …

Sand ripples with wavelengths between 0.5 and 3 m were observed on the bottom across
the US east coast continental shelf off North Carolina during three side‐scan sonar surveys …

The results of an experimental investigation on the adjustment of vortex sand ripples under
shoaling waves to changing of wave conditions are presented in this paper. A large wave …