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Numerical simulation on the impacting and comminuting of coal based on LS-DYNA

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【Author】 LI Fang-wei LI Yan-huan XU Zhen-liang JIN Long-zhe(School of Civil and Environment Engineering,University of Science and Technology Beijing,Beijing 100083,China;College of Civil Engineering and Architecture,Liaoning Technology University,Fuxin 123000,China;Institute of Vocational and Technical,Liaoning Technology University,Fuxin 123000,China)

【机构】 School of Civil and Environment Engineering,University of Science and Technology Beijing,Beijing 100083,China； College of Civil Engineering and Architecture,Liaoning Technology University,Fuxin 123000,China； Institute of Vocational and Technical,Liaoning Technology University,Fuxin 123000,China；

【摘要】 <正> Simulated comminution that the coal impact rigid wall using finite element soft- ware of explicit formulation based on dynamics model of elastic collision (Hamilton varia- tionnal principle),the critical velocity of the coal impacting comminution was about 10 m/s, and validated the release effect of pressure in the coal impacting comminution,and then extend applied field of the finite element software of explicit formulation LS-DYNA analys- ing impact comminution of the elastic-plastic material.The simulation result has great guidance and reference value for understanding the impact comminution mechanics of coal and other material and manufacturing comminution equipment.更多还原

【Abstract】 Simulated comminution that the coal impact rigid wall using finite element soft- ware of explicit formulation based on dynamics model of elastic collision (Hamilton varia- tionnal principle),the critical velocity of the coal impacting comminution was about 10 m/s, and validated the release effect of pressure in the coal impacting comminution,and then extend applied field of the finite element software of explicit formulation LS-DYNA analys- ing impact comminution of the elastic-plastic material.The simulation result has great guidance and reference value for understanding the impact comminution mechanics of coal and other material and manufacturing comminution equipment.更多还原

【关键词】 LS-DYNA； FEM； impact and comminute； contact-impact； numerical simulation；
【Key words】 LS-DYNA； FEM； impact and comminute； contact-impact； numerical simulation；

【文献出处】 Journal of Coal Science & Engineering(China) ,煤炭学报(英文版) , 编辑部邮箱 ,2008年04期

【分类号】TQ531
【被引频次】7
【下载频次】1

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