摘要
为解决颗粒离散元法(Distinct Element Method,DEM)中阻尼系数等参数选取困难的问题,对岩体工程中的DEM与颗粒DEM进行区分,着重讨论颗粒DEM中阻尼系数、刚度系数和时步等参数的选取方法.这些计算参数的合理选取对保证模拟的真实性具有重要意义.
To solve the problems of selecting computational parameters in granular Distinct Element Method （DEM） , DEM used in rock engineering and granular DEM are differentiated. The selection methods on damping coefficient, stiffness coefficient and time step are emphasized. The reasonable selection of these computational parameters plays an important role in guaranteeing authenticity of simulation.
出处
《计算机辅助工程》
2007年第3期65-68,共4页
Computer Aided Engineering
关键词
颗粒离散元法
阻尼系数
刚度系数
时步
granular distinct element method
damping coefficient
stiffness coefficient
time step
