Chin. Phys. B ›› 2013, Vol. 22 ›› Issue (1): 14501-014501.doi: 10.1088/1674-1056/22/1/014501
• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇 下一篇
陈琼a, 杨先清a, 赵新印a, 王振辉a, 赵跃民b
Chen Qiong (陈琼)a, Yang Xian-Qing (杨先清)a, Zhao Xin-Yin (赵新印)a, Wang Zhen-Hui (王振辉)a, Zhao Yue-Min (赵跃民)b
摘要: We implement a binary collision approximation to study solitary wave propagation in a two-dimensional double Y-shaped granular chain. The solitary wave was transmitted and reflected when it met the interface of the bifurcated branches of the Y-shaped granular chains. We obtain analytic results of the ratios of the transmitted and reflected speeds to the incident speed of the solitary wave, the maximum force between two neighbor beads in solitary wave, and the total time took by the pulse to pass through each branch. All of the analytic results are in good agreement with experimental observations by Daraio et al. [Phys. Rev. E 82 036603 (2010)]. Moreover, we also discuss the delay effects on the arrival of split pulses, and predict the recombination of the split waves traveling in branches in the final stem of asymmetric systems. The prediction of pulse recombination is verified by our numerical results.
中图分类号: (Granular systems)