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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/27723

    Title: How solitary waves collide in discrete granular alignments
    Authors: Avalos,E;Sen,S
    Contributors: 複雜系統研究中心
    Date: 2009
    Issue Date: 2010-06-29 19:13:44 (UTC+8)
    Publisher: 中央大學
    Abstract: Solitary waves in continuum media pass through each other with only a slight phase change. However, in an intrinsically nonlinear many-body system such solitary waves could behave differently. It was predicted and experimentally confirmed that head-on solitary wave collisions in granular alignments are followed by the formation of tiny secondary solitary waves in the vicinity of the collision point. While it remains a challenge to provide an analytical treatment of the local time evolution, we present arguments and associated simulations to address a crucial unknown, namely, why the secondary solitary waves must form. Extensive numerical investigations on solitary wave collisions at a grain center and at an edge show marked differences. The effects of softening the grain repulsion are discussed to validate the arguments.
    Appears in Collections:[複雜系統研究中心 ] 期刊論文

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