25 citations · 117 across the 17 of their papers we have counts for
7 papers · 1 filter
Getting rid of the ghosts: a toy-model of membrane melting
Olivier Coquand
The theory of thermal fluctuations in crystalline membranes is put under scrutiny. In particular, the two critical regimes of the renormalisation group diagram, which are often lef…
The effect of water on granular liquid flows: from debris to mud flows
O. Coquand
In this work, we show how the rheology of granular suspensions can be related to the properties of the fluctuations of the velocity field inside the medium. In particular, effectiv…
Energy Cascades in Driven Granular Liquids : A new Universality Class? I : Model and Symmetries
O. Coquand
This article deals with the existence and scaling of an energy cascade in steady granular liquid flows between the scale at which the system is forced and the scale at which it dis…
Rheology of granular liquids in extensional flows: Beyond the -law
Olivier Coquand, Matthias Sperl
The Granular Integration Through Transients (GITT) formalism gives a theoretical description of the rheology of moderately dense granular flows and suspensions. In this work, we ex…
Granular rheology: a tale of three time scales
Olivier Coquand, Wolf Till Kranz, Matthias Sperl
We adapt statistical models of the physics of complex fluids to study the rheology of granular liquids. This allows us to provide laws of granular rheology based on first principle…
Integration through transients approach to the rheology
Olivier Coquand, Matthias Sperl, Till Kranz
This work generalises the granular integration through transients formalism introduced by Kranz et al. [Phys. Rev. Lett. 121, 148002 (2018)] to the determination of the pressure. W…
Universal behaviors in the wrinkling transition of disordered membranes
O. Coquand, K. Essafi, J. -P. Kownacki +1
The wrinkling transition experimentally identified by Mutz et al. [Phys. Rev. Lett. 67, 923 (1991)] and then thoroughly studied by Chaieb et al. [Phys. Rev. Lett. 96, 078101 (2006)…