Micromechanical behaviour of granular media: Effects of contact stiffnesses

Proceedings of the 5th International Conference on Engineering Computational Technology

Volumn , Issue , 2006, Pages

  Moreno Atanasio, R ^a   Antony, S J ^a  

^a UNIVERSITY OF LEEDS   (United Kingdom)

Author keywords

Contact stiffness; Dense particulates; Force network; Powders and grains; Shape effects; Shear strength

Indexed keywords

CONTACT STIFFNESS; DENSE PARTICULATES; DENSE SYSTEMS; DISTINCT ELEMENT METHODS; FINE PARTICULATES; FORCE NETWORKS; GRANULAR MEDIA; MACROSCOPIC AND MICROSCOPIC; MICRO-MECHANICAL; MICROMECHANICAL BEHAVIOUR; PARTICLE CONTACTS; PARTICULATE ASSEMBLY; PARTICULATE SYSTEMS; QUASI-STATIC; SHAPE EFFECT; SINGLE-PARTICLE; STIFFNESS RATIOS; STRENGTH CHARACTERISTICS; TANGENTIAL CONTACT; TANGENTIAL DIRECTIONS; THREE SYSTEMS;

PARTICLES (PARTICULATE MATTER); SHEAR STRENGTH; SHEARING; STIFFNESS; THREE DIMENSIONAL;

SPHERES;

EID: 84858674203     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (27)

1. H. M. Wyss, E. Tervoort, L. P. Meier, M. Muller and L. J. Gauckler, "Relation between microstructure and mechanical behaviour of concentrated silica gel", Journal of Colloid and Interface Science, 273, 455-462, 2004.
2. C. Liu, S. R. Nagel, D. A. Schecter, S. N. Coppersmith, S. Muajumdar, O. Narayan and T. A. Witten, "Force fluctuactions in bead packs", Science, 269, 513-515, 1995.
3. D.W. Howell, R. P. Behringer and C. T. Veje, "Fluctuations in granular media", Chaos, 9(3), 559-572, 1999.
4. M. R. Kuhn, "Structured deformation in granular materials", Mechanics of Materials, 31, 407-429, 1999.
5. F. Radjai, and D.E. Wolf, "Features of static pressure in dense granular media", Granular Matter, 1, 3-8, 1998.
6. F. Radjai, H. Troadec and S. Roux, "Key features of granular plasticity". In Advances in granular materials: Fundamentals and applications, eds. S. J. Antony et al., Proceedings of Royal Society of Chemistry, London, 157-184, 2003.
7. C. Thornton and S.J. Antony, "Quasi-static deformation of particulate media", Philosophical Transactions of the Royal Society of London A, 356, 2763-2782, 1998.
8. S. J. Antony, "Evolution of force distribution in three-dimensional granular media", Physical Review E, American Physical Society, 63(1), No. 011302, 2001.
9. S. J. Antony and M. Ghadiri, "Size effects in slowly sheared granular media", Journal of Applied Mechanics, ASME, 68(5), 772-775, 2001.
10. S. J. Antony and M .R. Kuhn, International Journal of Solids and Structures, 41, 5863-5870, 2004.
11. S. J. Antony and M. R. Kuhn, "Influence of particle shape on granular contact signatures and shear strength: new insights from simulations", International Journal of Solids and Structures, 41, 5863-5870, 2004.
12. S. J. Antony, M. R. Kuhn, D.C. Barton and R. Bland., "Strength and signature of force networks in axially compacted sphere and non-sphere granular systems: micromechanical investigations", Journal of Physics D: Applied Physics, 38, 3944-3952, 2005.
13. S. J. Antony and F. Sarangi, "Computational study investigating the influence of long-range repulsive forces on the collective behaviour of particulate media", Journal of Computational and Theoretical Nanoscience, 2006. (In print)
14. P. A. Cundall and O. D. L Strack, "Discrete numerical model for granular assemblies", Geotechnique, 29(1), 47-65, 1979.
15. R.W. Stark, T. Drobek, M. Weth, J. Fricke and W.M. Heckl., "Determination of elastic properties of singel aerogel powder particles with the AFM" Ultramicroscopy, 75, 161-169, 1998.
16. D. Aurbach, S. Ramesh, A. Gedanken and Y. Cohen, "Atomic force microscopy investigation of the surface topography and adhesion of nickel nanoparticles to submicrospherical silica", Chemical Physics Letters, 287 (3-4) 461-467, 1998.
17. R. Jones, H. M. Pollock, D. Geldart, and A. Verlinden, "Inter-particle forces in cohesive powders studied by AFM: effects of relative humidity, particle size and wall adhesion", Powder Technology 132, 196-210, 2003.
18. C. S. Hodges, L. Looi, J. A. S., Cleaver and M. Ghadiri, "Use of JKR model for calculating adhesion between rough surfaces", Langmuir, 20, 9571-9576, 2004.
19. S. R. Biggs., "Influence of polymers on particle dispersion stability: AFM investigations", In Granular Materials: Fundamentals and Applications. (eds. S. J. Antony, W. Hoyle & Y. Ding) Royal Society of Chemistry, London, 157-184, 2004.
20. P. W. Cleary, 'The effect of particle shape on hopper discharge', Second International Conference on CFD in the Minerals and Process industries, CSIRO, Melbourne, Australia, 71-76, 1999.
21. P. W. Cleary, "DEM simulation of industrial particle flows: case studies of dragline excavators, mixing in tumblers and centrifugal mills", Powder Technology, 109, 83-104, 2000.
22. L. Rothenberg and R. J. Bathurst, "Micromechanical features of granular assemblies with planar elliptical particles", Geotechnique, 42 (1), 79-95, 1992.
23. T. Matsushima and K. Konagi, "Grain shape effect on peak strength of granular materials", Proc. 10IACMAG: Computer methods and advances in granular materials, Desai et al. (eds), 361-366, 2001.
24. H. G. Matuttis, S. Luding and H. J. Herrmann, "Discrete element simulations of dense packings and heaps made of spherical and non-spherical particles", Powder Technology, 109, 278-292 (2000)
25. T. T. Ng, "Behaviour of ellipsoids of two sizes", Journal of Engineering and Mech., 127 (10), 994-999 (2001)
26. C. Y. Wang, C. F. Wang and J. Sheng, "A packing generation scheme for the granular assemblies with 3D ellipsoidal particles", International Journal of Numerical and Analytical Methods in Geomechanics, 23(9) 815-828, 1999.
27. M. Satake, "Fabric tensor in granular materials", In Deformation and Failure of Granular Materials, ed. by P.A. Vermeer and H.J. Luger (Balkema, Rotterdam, 1982), 63-68.