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A combined experimental and DEM investigation of grain interlocking in sheared granular assemblies
《Particuology》2024年第7期436-451,共16页Rui Lu Qiang Luo Tengfei Wang David P.Connolly Tao Xie 
the National Natural Science Foundation of China(grant No.52078435);the Natural Science Foundation of Sichuan Province(grant No.2023NSFSC0391);the 111 Project(grant No.B21011)and the Leverhulme Trust UK(grant No.PLP-2016-270).
Compacted granular material,integral to geotechnical engineering,undergoes translation,rotation,and interlocking when subject to shear displacements or external loads.The present study focuses on the interlocking of h...
关键词：Granular material INTERLOCKING Shear resistance Direct shear Discrete element method Vibro-compaction 
A simulation study for a cost-effective PET-like detector system intended to track particles in granular assemblies被引量：2
《Particuology》2024年第1期117-125,共9页Josephine Oppotsch Antonios Athanassiadis Miriam Fritsch Fritz-Herbert Heinsius Thomas Held Nikoline Hilse Viktor Scherer Matthias Steinke Ulrich Wiedner 
funded by the DeutscheForschungsgemeinschaft(DFG,German Research Foundation)through 422037413-CRC/TRR 287"BULK-REACTION"。
Since many industrial applications rely on the processing of densely packed and moving granular ma-terial,obtaining bulk internal information on the particle movement inside the reactors is of great importance.Such in...
关键词：Positron emission particle tracking GEANT4 Monte Carlo method TIME-OF-FLIGHT Plastic scintillators Silicon photomultipliers(SiPMs) 
Effect of aspect ratio on triaxial compression of multi-sphere ellipsoid assemblies simulated using a discrete element method被引量：18
《Particuology》2017年第3期49-62,共14页Jian Gong Jun Liu 
This research was supported by the National Natural Science Foundation of China （51479027, 51539008）.
Here, we present a numerical investigation of the mechanical behavior of ellipsoids under triaxial com- pression for a range of aspect ratios. Our simulations use a multi-sphere approach in a three-dimensional discret...
关键词：EllipsoidsAspect ratio DEM Triaxial compression Particle shape Macro-micro response 
Effects of polydispersity on the micro–macro behavior of granular assemblies under different deformation paths被引量：5
《Particuology》2014年第1期64-79,共16页Nishant Kumar Olukayode I.Imole Vanessa Magnanimo Stefan Luding 
financially supported by the European Union funded Marie Curie Initial Training Network,FP7(ITN-238577)
The micromechanical and macromechanical behavior of idealized granular assemblies, made by linearly elastic, frictionless, polydisperse spheres, are studied in a periodic, triaxial box geometry, using the dis crete el...
关键词：POLYDISPERSITY ANISOTROPY Deformations Calibration PARDEM 
Discrete element modeling of inherently anisotropic granular assemblies with polygonal particles被引量：14
《Particuology》2012年第5期542-552,共11页Ehsan Seyedi Hosseininia 
supported by Research Deputy of Ferdowsi University of Mashhad.The provided grant(No.16759-03/12/89)
In the present article, we study the effect of inherent anisotropy, i.e., initial bedding angle of particles and associated voids on macroscopic mechanical behavior of granular materials, by numerical simulation of se...
关键词：Inherent anisotropyGranular materialDiscrete element methodPolygonal particles 
Particle shape consideration in numerical simulation of assemblies of irregularly shaped particles被引量：10
《Particuology》2011年第4期387-397,共11页Saba Abedi Ali Asghar Mirghasemi 
The mechanical behavior of granular materials depends much on the shape of the constituent particles. Therefore appropriate modeling of particle, or grain, shape is quite important. This study employed the method of d...
关键词：Discrete element method Granular soil Angularity Confining pressure 
Effect of particle breakage on the behavior of simulated angular particle assemblies被引量：9
《China Particuology》2007年第5期328-336,共9页E. Seyedi Hosseininia A.A. Mirghasemi 
Many attempts have been made to find various relationships for different parameters and some kinds of constitutive models for studying the behavior of particulate media. All these models are based on concepts of conti...
关键词：Discrete element modeling Particle breakage Hyperbolic elastic model Confining pressure 
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