High intensity tapping regime in a frustrated lattice gas model of granular compaction

Granular Matter - Tập 11 - Trang 365-369 - 2009
Paula A. Gago1, Nicolás E. Bueno2, Luis A. Pugnaloni3
1Departamento de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, La Plata, Argentina
2Laboratorio de Enseñanza de la Física, Departamento de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, La Plata, Argentina
3Instituto de Física de Líquidos y Sistemas Biológicos (CONICET La Plata, UNLP), La Plata, Argentina

Tóm tắt

In the frame of a well established lattice gas model for granular compaction, we investigate the high intensity tapping regime where a pile expands significantly during external excitation. We find that this model shows the same general trends as more sophisticated models based on molecular dynamic type simulations. In particular, a minimum in packing fraction as a function of tapping strength is observed in the reversible branch of an annealed tapping protocol.

Tài liệu tham khảo

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