Academic literature on the topic 'Granular Assemblies'

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Journal articles on the topic "Granular Assemblies"

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HIDAKA, Jusuke. "Numerical Experiments on Granular Assemblies." Journal of the Society of Powder Technology, Japan 29, no. 6 (1992): 465–71. http://dx.doi.org/10.4164/sptj.29.465.

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Suiker, Akke S. J., and Norman A. Fleck. "Frictional Collapse of Granular Assemblies." Journal of Applied Mechanics 71, no. 3 (2004): 350–58. http://dx.doi.org/10.1115/1.1753266.

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The frictional collapse of an assembly of equisized spheres is studied by a discrete element model. The macroscopic constitutive response is determined as a function of the level of Coulomb friction between particles. It is found that the level of Coulomb friction has a strong effect upon the relative proportion of sliding and rolling between particles, and consequently upon the macroscopic strength of the granular assembly. The discrete element predictions are shown to be in good agreement with experimental results obtained from triaxial tests on an aggregate of steel spheres. It is demonstra
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Melin, Stephan. "Wave propagation in granular assemblies." Physical Review E 49, no. 3 (1994): 2353–61. http://dx.doi.org/10.1103/physreve.49.2353.

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Benezet, J. C., P. Adamiec, and M. Nemoz-Gaillard. "Study of real granular assemblies." Powder Technology 173, no. 2 (2007): 118–25. http://dx.doi.org/10.1016/j.powtec.2006.10.043.

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Manciu, Marian, Robert S. Sinkovits, Surajit Sen, and Alan J. Hurd. "Nonlinear acoustics in granular assemblies." Granular Matter 3, no. 1-2 (2001): 33–39. http://dx.doi.org/10.1007/s100350000067.

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Sufian, Adnan, Adrian R. Russell, Andrew J. Whittle, and Mohammad Saadatfar. "Pore Characterisation in Monodisperse Granular Assemblies." Applied Mechanics and Materials 846 (July 2016): 583–88. http://dx.doi.org/10.4028/www.scientific.net/amm.846.583.

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The micro-scale geometric arrangement of pores was quantitatively characterised for monodisperse granular assemblies, particularly in relation to pore volume distribution and pore orientation characteristics. Using physical experiments and numerical simulations, the pore volume distribution was uniquely described by the analytical k-gamma distribution function [1-2]. A pore orientation tensor was defined to determine the preferred orientation of individual pores. This was subsequently used to define a global orientation tensor that revealed an isotropic pore network for the monodisperse granul
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Ning, Z., A. Khoubani, and T. M. Evans. "Shear wave propagation in granular assemblies." Computers and Geotechnics 69 (September 2015): 615–26. http://dx.doi.org/10.1016/j.compgeo.2015.07.004.

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Bagi, Katalin. "Stress and strain in granular assemblies." Mechanics of Materials 22, no. 3 (1996): 165–77. http://dx.doi.org/10.1016/0167-6636(95)00044-5.

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Okiy, Karinate Valentine. "Effect of Interparticle Friction on the Micromechanical Strength Characteristics of Three Dimensional Granular Media." International Journal of Engineering Research in Africa 16 (June 2015): 79–89. http://dx.doi.org/10.4028/www.scientific.net/jera.16.79.

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The role of interparticle friction on the micromechanical strength characteristics of granular assembly subjected to gradual shearing was analyzed. Three dimensional discrete element method (DEM) was applied in the simulation of quasi-static shearing of granular assemblies with varying interparticle frictional coefficients [µ= 0.10, 0.25, 0.50]. From the reported simulation results, analysis of the following was performed for varying interparticle frictional capacities.i. The normal and tangential stress contributions of weak and strong contacts to principal stress components.ii. Contribution
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Chen, Hui Liang, and Yu Ching Wu. "Viscoplastic Analysis of Mixed Polygonal Granular Material." Advanced Materials Research 446-449 (January 2012): 3578–81. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.3578.

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In this paper, a series of mixed visco-plastic analyses for assembles of three types of asphalt are made using finite element method. Governing equations are derived for motion and deformation for particles, including coupling of rigid body motion and deformation for deformable bodies. Nonlinear viscous analysis is made for the assemblies using an implicit discrete element method. Among particles, three different contact types, cohering, rubbing and sliding, are taken into account. The numerical model is applied to simulate the compaction of aggregates consisting of mixed particles of differen
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Dissertations / Theses on the topic "Granular Assemblies"

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Smith, Laurence M. "Statistical and visual probing of evolving granular assemblies." Thesis, University of Surrey, 2002. http://epubs.surrey.ac.uk/843092/.

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The majority of processes in the chemical and allied industries involve the storage and conveyancing of granular material, the physics of which is still not particularly well understood. Whilst some non-invasive techniques have been developed, much experimental work unfortunately interferes with the fields being investigated. For this reason and in conjunction with increasing computing power, there has been an increase in simulation based studies. Granular dynamics simulations, being based upon inter-particle interaction laws, give the potential to investigate assemblies at the "micro-level" a
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Ouafdel, Hamza. "Numerical simulations of granular assemblies with three-dimensional ellipsoid-shaped particles." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0011/NQ32850.pdf.

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El, Khatib Wael. "Boundary Conditions for Granular Flows at Penetrable Vibrating Surfaces: Applications to Inclined Flows of Monosized Assemblies and to Sieving of Binary Mixtures." Digital WPI, 2013. https://digitalcommons.wpi.edu/etd-dissertations/186.

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The purpose of this work is to study the effects of boundaries on granular flows down vibrating inclines, on segregation in granular mixtures induced by boundary vibrations, and on flows of granular mixtures through vibrating sieves. In each case, we employ techniques borrowed from the kinetic theory to derive an appropriate set of boundary conditions, and combine them with existing flow theories to calculate the profiles of solid volume fraction, mean velocity, and granular temperature throughout the flows. The boundaries vibrate with full three-dimensional anisotropy in a manner that can be
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Bondzic, Sasa. "Comb-shaped supramolecules phase behavior, shear alignment and application /." [S.l. : [Groningen : s.n.] ; University Library Groningen] [Host], 2007. http://irs.ub.rug.nl/ppn/301104026.

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Le, Dantec Nicolas. "A study of saturated granular assemblages and its implications for transport, stress propagation and failure in marine sediments." Diss., [La Jolla] : University of California, San Diego, 2009. http://wwwlib.umi.com/cr/ucsd/fullcit?p3369001.

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Thesis (Ph. D.)--University of California, San Diego, 2009.<br>Title from first page of PDF file (viewed September 16, 2009). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references.
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Pecol, Philippe. "Modélisation 2D discrète du mouvement des piétons : application à l'évacuation des structures du génie civil et à l'interaction foule-passerelle." Phd thesis, Université Paris-Est, 2011. http://pastel.archives-ouvertes.fr/pastel-00674774.

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Développer un modèle de mouvement de foule capable de simuler l'évacuation d'un lieu public de moyenne ou forte affluence devient utile, voire nécessaire, afin que les futures constructions ou aménagements publics puissent offrir une qualité de sécurité optimale à leurs usagers. Les effets des piétons sur les structures du génie civil, comme l'interaction dynamique foule-structure, doivent aussi être pris en compte et modélisés. Dans le cadre de cette thèse, un modèle de foule 2D discret est proposé dans lequel les actions et les décisions de chaque piéton sont traitées individuellement. Ce mo
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Welker, Philipp [Verfasser]. "Failure of granular assemblies / vorgelegt von Philipp Welker." 2011. http://d-nb.info/1012004600/34.

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Liu, Jian-hon, and 劉建宏. "Numerical simulations for granular assemblies with 3D ellipsoidal particles." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/93718740981876971473.

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碩士<br>國立中央大學<br>土木工程學系<br>86<br>In this thesis, a new algorithm and a computer program are developed for 3D numerical simulations of granular assemblies composed of ellipsoidal particles of different a/b aspect ratios. Each ellipsoidal particle is approximated by the revolution of an ellipse, formed by for connected arcs, about the major axis passing through its centroid. Coordinates of the centroid, direction of the major axis and lengths of major and minor axes are the essential data for
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Lin, Cha-Hom, and 林佳宏. "Numerical Simulations for Granular Assemblies with Mixed 3D Ridge Body." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/u68x86.

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碩士<br>國立中央大學<br>土木工程研究所<br>94<br>The stone or sand particle are full of different forms in the nature. There are angle or spherical particles . The two particles often mix in the nature or apply to engineer .For example in the concrete is mixed , mix materials always mix angle and spherical particles. Forefather who use contact types are categorized by contacts of vertex-to-face and edge-to-edge only write 3-D polyhedral blocks program. And ever develop granular assemblies with mixed ellipsoidal particles program. In this research, we assemblies two programs.Add ellipsoidal and polyhedral co
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Lin, Sheng-Hung, and 林昇鴻. "Numerical Simulations for Granular Assemblies with 3D Egg-shaped Particles." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/gq4p38.

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碩士<br>國立中央大學<br>土木工程研究所<br>94<br>In this thesis, a new algorithm and a computer code are developed for 3D numerical simulations of granular assemblies composed of egg-shaped particles, ellipsoidal particles and long ellipsoidal particles. The newly developed egg-shaped particles are designed by the revolution of an ellipse, formed by four connected arcs, about the major axis passing through its centroid in order to speed up the process of algorithm. Coordinates of the centroid, directions of the major axis and lengths of major and minor axes are the essential data for the packing generation an
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Book chapters on the topic "Granular Assemblies"

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Goddard, J. D. "Continuum Modeling of Granular Assemblies." In Physics of Dry Granular Media. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-2653-5_1.

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Bagi, K., and A. Vásárhelyi. "Statistical Characterization of Granular Assemblies." In Lecture Notes in Economics and Mathematical Systems. Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-88272-2_10.

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Misra, Anil. "Particle Kinematics in Sheared Rod Assemblies." In Physics of Dry Granular Media. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-2653-5_18.

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Thompson, P. A. "Vibrated Granular Assemblies: Fluidization and Convection." In Springer Proceedings in Physics. Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-78448-4_4.

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Adams, M. J., and B. J. Briscoe. "Deterministic Micromechanical Modelling of Failure or Flow in Discrete Planes of Densely Packed Particle Assemblies: Introductory Principles." In Granular Matter. Springer New York, 1994. http://dx.doi.org/10.1007/978-1-4612-4290-1_8.

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Anandarajah, A. "Numerical Analysis of Clay Particle Assemblies." In IUTAM Symposium on Mechanics of Granular and Porous Materials. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5520-5_19.

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Herminghaus, Stephan, Ciro Semprebon, and Martin Brinkmann. "Capillary Interaction in Wet Granular Assemblies: Part 1." In Particles in Contact. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15899-6_8.

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Wittel, Falk K., Roman Mani, Konstantin Melnikov, Filippo Bianchi, and Hans J. Herrmann. "Capillary Interaction in Wet Granular Assemblies: Part 2." In Particles in Contact. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15899-6_9.

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Li, Xia. "From Internal Structure to Constitutive Modeling of Granular Assemblies." In Springer Series in Geomechanics and Geoengineering. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-32814-5_78.

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de Jong, G. De Josselin. "The double sliding, free rotating model for granular assemblies." In Soil Mechanics and Transport in Porous Media. Springer Netherlands, 2006. http://dx.doi.org/10.1007/978-1-4020-3629-3_4.

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Conference papers on the topic "Granular Assemblies"

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Welker, Philipp, Sean McNamara, Masami Nakagawa, and Stefan Luding. "Failure in small granular assemblies." In POWDERS AND GRAINS 2009: PROCEEDINGS OF THE 6TH INTERNATIONAL CONFERENCE ON MICROMECHANICS OF GRANULAR MEDIA. AIP, 2009. http://dx.doi.org/10.1063/1.3179915.

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Russell, Adrian, David Muir Wood, Mamoru Kikumoto, Masami Nakagawa, and Stefan Luding. "Particle Crushing in Granular Assemblies." In POWDERS AND GRAINS 2009: PROCEEDINGS OF THE 6TH INTERNATIONAL CONFERENCE ON MICROMECHANICS OF GRANULAR MEDIA. AIP, 2009. http://dx.doi.org/10.1063/1.3180069.

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Evans, T. Matthew, and Colin B. Brown. "Microstates and Macrostructures for Granular Assemblies." In Geo-Congress 2014. American Society of Civil Engineers, 2014. http://dx.doi.org/10.1061/9780784413272.277.

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Buscarnera, G., and I. Einav. "Modelling Particle Breakage in Unsaturated Granular Assemblies." In Fifth Biot Conference on Poromechanics. American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784412992.167.

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Tutumluer, E., H. Huang, Y. M. A. Hashash, et al. "Imaging Based Discrete Element Modeling of Granular Assemblies." In MULTISCALE AND FUNCTIONALLY GRADED MATERIALS 2006. AIP, 2008. http://dx.doi.org/10.1063/1.2896837.

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Wang, Linbing, Emir Macari, and Eyassu Woldesenbet. "New Micromechanics Formulations for the Assessment of Elastic Moduli of Granular Assemblies." In ASME 2002 Engineering Technology Conference on Energy. ASMEDC, 2002. http://dx.doi.org/10.1115/etce2002/ot-29019.

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The elastic moduli of granular assemblies are sensitive to the confining conditions as well as the volume fractions of each of its constituents (i.e. solid, fluid, gas). Theoretical estimations using granular mechanics are based on assumed distributions of contact normals and branch vectors using idealized particle shapes and therefore cannot quantitatively predict the moduli. This paper presents a new method to use the moduli of the granular skeleton and those of the matrix to estimate the moduli of the composite and makes it possible to back-calculate the moduli of the skeleton from the modu
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N., Kumara, and Luding S. "Is there Shear Jamming in Frictionless Three Dimensional Granular Assemblies?" In 5th Asian Particle Technology Symposium. Research Publishing Services, 2012. http://dx.doi.org/10.3850/978-981-07-2518-1_059.

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Lumay, Geoffroy, Jorge Fiscina, Francois Ludewig, and Nicolas Vandewalle. "Influence of cohesive forces on the macroscopic properties of granular assemblies." In POWDERS AND GRAINS 2013: Proceedings of the 7th International Conference on Micromechanics of Granular Media. AIP, 2013. http://dx.doi.org/10.1063/1.4812101.

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Fu, Pengcheng, and Yannis F. Dafalias. "Global and Local Mechanical-Fabric Measurements in Granular Assemblies Using DEM." In GeoCongress 2012. American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412121.108.

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Xuan, Guangtao, Mirko Ebert, Simson Julian Rodrigues, Christian Lessig, Nicole Vorhauer-Huget, and Benoît Fond. "Temperature distribution in granular assemblies using luminescence thermometry and radiative transfer simulation." In Laser Applications to Chemical, Security and Environmental Analysis. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/lacsea.2022.lth4e.4.

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An optical method for multi-point temperature measurements inside granular assemblies is proposed. Signals originating from distinct thermographic phosphor-coated particles exiting the bed are separated using a linear least square method.
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Reports on the topic "Granular Assemblies"

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Sundaresan, Sankaran, Gabriel I. Tardos, and Shankar Subramaniam. Rheological Behavior of Dense Assemblies of Granular Materials. Office of Scientific and Technical Information (OSTI), 2011. http://dx.doi.org/10.2172/1026503.

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Ali, Usman, Mamoru Kikumoto, Matteo Ciantia, and Ying Cui. Direct observation of particle kinematics in biaxial shearing test. University of Dundee, 2021. http://dx.doi.org/10.20933/100001233.

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Biaxial shearing tests on dual-sized, 2d particle assemblies are conducted at several confining pressures. The effect of particle angularity, an important mesoscale shape descriptor, is investigated at the macro and micro levels. Macroscopically, it is observed that assemblies composed of angular particles exhibit higher strengths and dilations. The difference observed in bulk behavior due to particle angularity can be explained reasonably by considering particle-level mechanisms. A novel 2D image analysis technique is employed to estimate particle kinematics. Particle rotation results to be a
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Alonso-Robisco, Andrés, José Manuel Carbó, and José Manuel Carbó. Machine Learning methods in climate finance: a systematic review. Banco de España, 2023. http://dx.doi.org/10.53479/29594.

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Preventing the materialization of climate change is one of the main challenges of our time. The involvement of the financial sector is a fundamental pillar in this task, which has led to the emergence of a new field in the literature, climate finance. In turn, the use of Machine Learning (ML) as a tool to analyze climate finance is on the rise, due to the need to use big data to collect new climate-related information and model complex non-linear relationships. Considering the proliferation of articles in this field, and the potential for the use of ML, we propose a review of the academic lite
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