【作者】 贾力伟； 侯书军； 李慨； 侯志强；

【Author】 Jia Li-wei,Hou Shu-jun,Li Kai,Hou Zhi-Qiang,Ji Yun-xiao,Cui Li-hua (College of Mechanical Engineering,Hebei University of Technology,Tianjin,300130,China)

【机构】 河北工业大学机械工程学院；

【摘要】 料仓的结拱现象普遍存在,严重影响了生产连续性。本文应用基于离散单元法思想的PFC^3D（ParticleFlow Code in 3Dimensions）软件对料仓的结拱机理进行了分析,并对振动破拱助流机理进行了研究。在考虑料仓的局部弹性变形与散体颗粒的相互耦合作用的时,本文基于离散单元思想,在PFC^3D中建立了弹性体-散体耦合作用的动力学模型,并对激振参数的合理选择进行了讨论。更多还原

【Abstract】 Arch in silos is a very common phenomenon.It may seriously impact on the production continuity.In this paper we investigate the mechanism of the formation of arch in silos and vibration induced flow in silos with a full discrete\distinct element method computation using PFC3D(Particle Flow Code in 3Dimensions).When considered the interraction between the local elastic deformation of silos and particles,we use a coupled elastome-particle model based on the discrete\distinct element method.In the last we discussed the principle of the selection of vibration parameters.更多还原