MULTISCALE MECHANICAL BEHAVIORS IN DISCRETE MATERIALS: A REVIEW

查看全文 作　　者：Xiaojing Zheng Dengming Wang (Key Laboratory of Mechanics on Western Disaster and Environment,the Ministry of Education of China,Lanzhou University,Lanzhou 730000,China)

出　　处：《Acta Mechanica Solida Sinica》索引2010年第23卷第6期,共13页

基　　金：Project supported by the Ministry of Science and Technology of China (No. 2009CB421304);National Natural Science Foundation of China (Nos. 10872082 and 11002064);Ministry of Education, Science and Technology Research Project(No. 308022) 摘　　要：The discrete material,which belongs to the category of soft materials,is one of the most prevalent forms of matter in nature and engineering fields.These materials often exhibit abundant and complex mechanical properties which are still far from being perfectly understood.From the view of multi-scale framework concentrated on the ‘bridge’ role in the macro-micro relation,this review mainly introduces some theoretical investigations of mechanical behaviors in discrete materials,including the continuum constitutive model based on the macroscopic phe-nomenological approach and coupled micro-macro approach,the statistical analysis of some micro-scopic physical quantities involved contacted forces between particles and its transmission within the whole system,and the statistical analysis for some microscopic processes in aeolian landform systems involving the grain-bed impact,the transportation and sedimentation of wind-blown sand flux,et al.Finally,some further worthwhile challenges in these fields are suggested. 关键词：材料力学性能多尺度离散微观过程展望材料力学行为统计分析地貌系统

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MULTISCALE MECHANICAL BEHAVIORS IN DISCRETE MATERIALS: A REVIEW

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耦合文献(334)

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