颗粒压实受抑格子气模型中的高强度轻敲区
High intensity tapping regime in a frustrated lattice gas model of granular compaction
摘要:
在一个成熟的格子气模型的框架下,我们研究了高强度攻丝制度,在外部激励过程中,桩显着扩大。我们发现,这个模型显示出相同的一般趋势,更复杂的模型的基础上分子动力学类型的模拟。特别是,在退火攻丝协议的可逆分支中观察到作为攻丝强度的函数的填充分数的最小值。
英文摘要:
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.
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