阻尼介质中圆板在冲击载荷下塑性动力响应的数值模拟  

The Numerical Simulation of Plastic Dynamical Response of Disc under Different Load Functions in the Damping Medium

作　　者：袁国政[1] 张晓梅[1] 树学锋[1] 

机构地区：[1]太原理工大学应用力学研究所山西太原030024

出　　处：《太原理工大学学报》2008年第2期203-205,共3页Journal of Taiyuan University of Technology

基　　金：国家自然科学基金资助项目(10372067);高等学校博士学科点专项科研基金资助项目(20050112009)

摘　　要：对阻尼介质中简支刚塑性圆板承受脉冲载荷时冲击载荷形状对简支刚塑性圆板的最终塑性变形的影响进行了数值模拟,结果表明,对于给定的Ie和pe,圆板中心的塑性位移随阻尼系数的增大而减小;圆板中心的塑性位移随时间t0的增大而减小。结果还显示,对于给定的阻尼介质,冲击载荷形状对结构的最终塑性变形影响甚微。The numerical simulation is made to study the influence of impacting load shape on the final plastic deformation of simple-supported rigid-plastic disc undertaken impulsion load. When Ie and Pe are given, the results suggest that the plastic displacement of the disc center is increasing with the reduction of the damping coefficient and reducing with the time increasing. To the given damping medium, the results are also shown that the influence of the impacting load shape to plastic deformations can be neglected.

关 键 词：冲击载荷形状 阻尼介质 塑性动力响应 ANSYS软件 

分 类 号：O347.1[理学—固体力学]