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- 저자 : Farzin Salehpour-Oskouyi (검색결과 1 건)
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Three-dimensional modeling of system of vibrating spherical balls using discrete element method†
Farzin Salehpour-Oskouyi,Morteza Homayoun Sadeghi 대한기계학회 2014 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.28 No.1
The modeling of particulate systems has been an important focus of research worldwide, as these are fairly common in nature, such asrain drops in air, snowfall, and several industrial processes such as chemistry, agriculture, pharmaceutical, powder metallurgy, soil mechanics,casting, cement manufacturing, civil, and etc. In recent years, one of important aspects of the granular material physics in industriesis controlling way of the granular flow. One of the best ways of controlling the flow is the use of mechanical vibrations to guide theparticles in desirable way. In this paper the effect of horizontal harmonic vibration on the particles flow is theoretically and experimentallyinvestigated. During the base vibration, the spherical particles collide with each other and with the walls as well, causing a globalpattern of particle motion which is interpreted as flow. The motion of spherical particles and the interaction forces due to the vibration isobtained numerically via discrete element method (DEM). Finally, the presented numerical model is compared with the experimental oneand a good agreement between them is noticed.
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