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18 papers · 1 filter
MRI investigation of granular interface rheology using a new cylinder shear apparatus
Pascal Moucheront, François Bertrand, Georg Koval +5
The rheology of granular materials near an interface is investigated through proton magnetic resonance imaging. A new cylinder shear apparatus has been inserted in the MRI device,…
Thermal conductivity of the Toda lattice with conservative noise
Alessandra Iacobucci, Frederic Legoll, Stefano Olla +1
We study the thermal conductivity of the one dimensional Toda lattice perturbed by a stochastic dynamics preserving energy and momentum. The strength of the stochastic noise is con…
Finite element computation of absorbing boundary conditions for time-harmonic wave problems
Denis Duhamel, Tien-Minh Nguyen
This paper proposes a new method, in the frequency domain, to define absorbing boundary conditions for general two-dimensional problems. The main feature of the method is that it c…
Elastic modulus of a colloidal suspension of rigid spheres at rest
Laurentiu Pasol, Xavier Chateau
By modeling a colloidal suspension at rest as a solid, a new expression for the linear elastic modulus is obtained. This estimate is valid for a yield stress colloidal suspension s…
Three-dimensional jamming and flows of soft glassy materials
Guillaume Ovarlez, Quentin Barral, Philippe Coussot
Various disordered dense systems such as foams, gels, emulsions and colloidal suspensions, exhibit a jamming transition from a liquid state (they flow) to a solid state below a yie…
Experimental study on the cyclic resistance of a natural loess from Northern France
Jean-Paul Karam, Yu-Jun Cui, Anh-Minh Tang +2
In order to analyze the instability phenomenon observed along the Northern High Speed Line of Réseau Ferré de France (RFF), soil blocks were taken at a site near the railway, at fo…