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Morphological study of granular–granular impact craters through time-of-flight cameras: from concept to automation in Python
Laboratory made granular–granular impact craters have been used as model analogues of planetary impact craters. These kind of craters have been...
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The role of particle shape in computational modelling of granular matter
Granular matter is ubiquitous in nature and is present in diverse forms in important engineering, industrial and natural processes. Particle-based...
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A method for coarse graining fluctuation velocities in granular flows
The granular temperature, which is the mean kinetic energy per unit mass of velocity fluctuations, is an important rheological parameter for granular...
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Course 4: Granular Media: Some Ideas from Statistical Physics
These lecture notes cover the statics and glassy dynamics of granular media. Most of the lectures were in fact devoted to “force propagation” models....
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An inclusion model for predicting granular elasticity incorporating force chain mechanics
Granular media is ubiquitous, playing a vital role in a diverse set of applications. The complex microstructure of granular media results from...
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Morse theory-based segmentation and fabric quantification of granular materials
This article presents a robust Morse theory-based framework for segmenting 3D X-ray computed tomography image (CT) and computing the fabric, relative...
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Frictional weakening of a granular sheared layer due to viscous rolling revealed by discrete element modeling
Considering a 3D sheared granular layer through a discrete element modeling, it is well known the rolling resistance influences the macro friction...
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Colliding localized, lumpy holographic shocks with a granular nuclear structure
We apply a recent and simple technique which speeds up the calculation of localized collisions in holography to study more realistic models of the...
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Investigation techniques and physical aspects of the angle of repose of granular matter
The repose of granular materials is investigated via two different Discrete Element Method (DEM) implementations in comparison with an experimental...
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Effect of particle size on the suction mechanism in granular grippers
AbstractGranular grippers are highly adaptable end-effectors that exploit the reversible jamming transition of granular materials to hold and...
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Stress transmission in entangled granular structures
AbstractWe study the transmission of compressive and tensile stresses, and the development of stress - induced anisotropy in entangled granular...
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Simulation of lateral impulse induced inertial dilation at the surface of a vacuum-exposed granular assembly
We demonstrate for the first time that a lateral impulse experienced by a granular channel can induce an inertial bulk dilation over long distances...
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Quasi-crystalline order in vibrating granular matter
Quasi-crystals are aperiodic structures with crystallographic properties that are not compatible with that of a single unit cell. Their discovery in...
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Gravity sensitivity of continuum numerical solvers for granular flow modeling
One of the major challenges in space exploration robotics is understanding the interactions between robot wheels and planetary terrains consisting of...
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Incremental shear strain chain: a mesoscale concept for slip lines in 2D granular materials
AbstractConstitutive behaviors of granular materials are driven by both particle interactions and geometric arrangements of contact network. To...
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Deep learning assisted particle identification in photoelastic images of granular flows
The transmission of forces within high speed granular flows may be straightforwardly viewed in two-dimensional photoelastic experiments, but precise...
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How vorticity and agglomeration control shear strength in soft cohesive granular flows
Deformable granular flows present complex kinematics. These materials can have various flow regimes: plastic, agglomerated, rigid-like granular flow,...
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Material optimization of the square composite granular structure composed of viscoelastic spheres for improving the impact mitigation performance
Three mitigation mechanisms can be considered in the design of an impact buffering structure made of granular materials. First, reflection and...
