颗粒物质的一种简化模型研究  

Research on Simplified Model of Granular Materials

作　　者：王浩磊 WANG Hao-lei(The 27th Research Institute of China Electronics Technology Group Corporation,Zhengzhou 450047,China)

机构地区：[1]中国电子科技集团公司第二十七研究所,郑州450047

出　　处：《电光系统》2023年第3期21-26,共6页Electronic and Electro-optical Systems

摘　　要：颗粒物质广泛存在于自然界和人们的生产生活中,对颗粒物质的研究可以帮助理解沙丘移动、地震发生等自然现象,提高工业生产中各种颗粒原材料加工、运输的效率。在宏观尺度下研究颗粒物质通常采用均匀化的方法,通过定义平均宏观物理量来探究颗粒物质的宏观性质,并且在二维简化数值实验中发现了这些物理量之间存在的标度率关系。Granular materials are ubiquitous in nature,daily life and industries.The research on granular mate-rials can help understand many natural processes such as the migration of sand dunes and the onset of earth-quakes,and improve the efficiency to handle granular raw materials in industry.A Homogenization method is u-tilized usually when studying granular materials in macroscopic scale.Some macroscopic physical quantities are defined to investigate the properties of granular materials.The scaling law between these quantities is validated in 2D numerical simulations.

关 键 词：颗粒物质 堵塞状态 体积分数 标度律 

分 类 号：O469[理学—凝聚态物理]