Experimental and Numerical Analysis of Local Variables in Granular Materials
| Autor: | Farhang Radjai, Jack Lanier |
|---|---|
| Přispěvatelé: | Physique et Mécanique des Milieux Granulaires ( PMMG ), Laboratoire de Mécanique et Génie Civil ( LMGC ), Université de Montpellier ( UM ) -Centre National de la Recherche Scientifique ( CNRS ) -Université de Montpellier ( UM ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire Sols, Solides, Structures ( 3S ), Université Joseph Fourier - Grenoble 1 ( UJF ), B. Cambou, M. Jean et F. Radjai, Radjai, Farhang, Physique et Mécanique des Milieux Granulaires (PMMG), Laboratoire de Mécanique et Génie Civil (LMGC), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Sols, Solides, Structures (3S), Université Joseph Fourier - Grenoble 1 (UJF) |
| Jazyk: | angličtina |
| Rok vydání: | 2009 |
| Předmět: |
homogenization
Geometry 02 engineering and technology Contact network granular texture 010402 general chemistry Granular material 01 natural sciences Homogenization (chemistry) [SPI.MECA.MEMA] Engineering Sciences [physics]/Mechanics [physics.med-ph]/Mechanics of materials [physics.class-ph] [PHYS.MECA.MEMA]Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph] [PHYS.MECA.MEMA] Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph] Granular matter [SPI.MECA.MEMA]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Mechanics of materials [physics.class-ph] granular matter Anisotropy Mathematics nonsmooth contact dynamics Numerical analysis Mathematical analysis Local variable Micromechanics 021001 nanoscience & nanotechnology 0104 chemical sciences [ PHYS.MECA.MEMA ] Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph] [ SPI.MECA.MEMA ] Engineering Sciences [physics]/Mechanics [physics.med-ph]/Mechanics of materials [physics.class-ph] 0210 nano-technology |
| Zdroj: | Micromechanics of granular materials B. Cambou, M. Jean et F. Radjai. Micromechanics of granular materials, ISTE, pp.1-49, 2009, 978-1848210752 Micromechanics of Granular Materials |
| Popis: | International audience; 1.1.Introduction.................................. 11 1.2.Descriptionofgranulartexture ....................... 13 1.2.1.Particleconnectivity .......................... 13 1.2.2. Contact network anisotropy: fabric tensors . . . . . . . . . . . . . 15 1.2.2.1.Generalcase ........................... 15 1.2.2.2.Caseof2Ddata ......................... 17 1.2.2.3.Caseof3Ddata ......................... 21 1.2.3.Branchvectors ............................. 24 1.2.4.Evolutionofgranulartexture ..................... 26 1.2.5.Spacepartition:tessellation...................... 28 1.2.5.1.Voronoicells ........................... 28 1.2.5.2.Dirichletcells........................... 28 1.2.5.3.Generalcase ........................... 29 1.2.5.4.Neighborhoodsandlocalvoidratios . . . . . . . . . . . . . . 29 1.3.Granularkinematics ............................. 31 1.3.1.Particledisplacementsandrotations . . . . . . . . . . . . . . . . . 31 1.3.2.Rollingvs.sliding ........................... 33 1.3.3.Fluctuatingdisplacementfields.................... 34 1.3.3.1.Uniformstrainandfluctuations. . . . . . . . . . . . . . . . . 34 1.3.3.2.Probabilitydensities....................... 37 1.3.3.3.Spatialcorrelations........................ 37 1.3.3.4.Granulence ............................ 38 1.3.4.Localandglobalstrains ........................ 39 1.3.4.1.Particle-scalestrain ....................... 39 1.3.4.2.Strainlocalization ........................ 40 1.4.ForceTransmission.............................. 43 9 10 Micromechanics 1.4.1.Probabilitydensityfunctions ..................... 43 1.4.2.Bimodalcharacterofstresstransmission . . . . . . . . . . . . . . 50 1.4.3.Forceanisotropy ............................ 54 1.5.Conclusion .................................. 56 1.6.Bibliography ................................. 57 |
| Databáze: | OpenAIRE |
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