229 citations · 1.2k across the 11 of their papers we have counts for
11 papers
Softer than soft: diving into squishy granular matter
Jonathan Barés, Manuel Cárdenas-Barrantes, David Cantor +2
Softer than soft, squishy granular matter is composed of grains capable of significantly changing their shape (typically larger than 10% of deformation) without tearing or breaking…
Experimental validation of a micromechanically-based compaction law for soft/hard grain mixtures
Manuel Cárdenas-Barrantes, Jonathan Barés, Mathieu Renouf +1
In this letter, we report on an experimental study which analyzes the compressive behavior of 2D bidisperse granular assemblies made of soft (hyperelastic) and hard grains in varyi…
Micromechanical description of the compaction of soft pentagon assemblies
Manuel Cárdenas-Barrantes, David Cantor, Jonathan Barés +2
We analyze the isotropic compaction of assemblies composed of soft pentagons interacting through classical Coulomb friction via numerical simulations. The effect of the initial par…
Compaction of mixtures of rigid and highly deformable particles: a micro-mechanical model
Manuel Cárdenas-Barrantes, David Cantor, Jonathan Barés +2
We analyze the isotropic compaction of mixtures composed of rigid and deformable incompressible particles by the non-smooth contact dynamics approach (NSCD). The deformable bodies…
Particle shape dependence in 2D granular media
B. Saint-Cyr, K. Szarf, C. Voivret +9
Particle shape is a key to the space-filling and strength properties of granular matter. We consider a shape parameter describing the degree of distortion from a perfectly sphe…
Force chains and contact network topology in packings of elongated particles
Émilien Azema, Farhang Radjaï
By means of contact dynamic simulations, we investigate the contact network topology and force chains in two-dimensional packings of elongated particles modeled by rounded-cap rect…
Identification of rolling resistance as a shape parameter in sheared granular media
Nicolas Estrada, Émilien Azema, Farhang Radjaï +1
Using contact dynamics simulations, we compare the effect of rolling resistance at the contacts in granular systems composed of disks with the effect of angularity in granular syst…
Stress-strain behavior and geometrical properties of packings of elongated particles
Émilien Azema, Farhang Radjaï
We present a numerical analysis of the effect of particle elongation on the quasistatic behavior of sheared granular media by means of the Contact Dynamics method. The particle sha…
Quasistatic rheology, force transmission and fabric properties of a packing of irregular polyhedral particles
Émilien Azema, F. RadjaÏ, G. Saussine
By means of contact dynamics simulations, we investigate a dense packing composed of polyhedral particles under quasistatic shearing. The effect of particle shape is analyzed by co…
Force transmission in a packing of pentagonal particles
Émilien Azema, Farhang Radjai, Robert Peyroux +1
We perform a detailed analysis of the contact force network in a dense confined packing of pentagonal particles simulated by means of the contact dynamics method. The effect of par…
Vibrational dynamics of confined granular material
Emilien Azema, Farhang Radjaï, Robert Peyroux +2
By means of two-dimensional contact dynamics simulations, we analyze the vibrational dynamics of a confined granular layer in response to harmonic forcing. We use irregular polygon…