EPJ Web Conf.
Volume 140, 2017Powders and Grains 2017 – 8th International Conference on Micromechanics on Granular Media
|Number of page(s)||4|
|Published online||30 June 2017|
Dynamic Self-assembly of Non-Brownian Spheres.
1 Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS Université de Bourgogne Franche- Comté, 9 Avenue Alain Savary, B.P. 47870, 21078 Dijon Cedex, France
2 CINVESTAV Monterrey, Autopista Nueva al Aeropuerto km 9.5, Apodaca, Nuevo León 66600, México
3 Departamento de Ingeniería Física, Universidad Autónoma de Yucatán, 97310, Mérida, Yucatán, México
* e-mail: email@example.com
Published online: 30 June 2017
Granular self-assembly of confined non-Brownian spheres under gravity is studied by Molecular Dynamics simulations. Starting from a disordered phase, dry or cohesive spheres organize, by vibrational annealing into BCT or FCC structures, respectively. During the self-assembling process, isothermal and isodense points are observed. The existence of such points indicates that both granular temperature and packing fraction undergo an inversion process. Around the isothermal point, a sudden growth of beads having the maximum coordination number takes place. We show by a density fluctuation analysis that a transition form a disordered phase to a crystalline structure may be associated to a first-order transition.
© The Authors, published by EDP Sciences, 2017
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