Let the discrete element method (DEM) be developed into the numerical simulation of 3d fluid-solid two-phased flows, the trajectory flexible model of particle group has been put forward.
将离散单元法(DEM)拓展到三维流固两相流的数值模拟中，提出了颗粒群轨道柔性模型。
In the method particle trajectory model of certain aviation bomb is chosen, drag law by the numerical simulation based on the virtual wind-tunnel is adopted.
该方法选用航空炸弹质点弹道模型，采用虚拟风洞数值模拟得到的炸弹阻力定律，结合实弹靶试数据，对弹道系数进行了符合计算。
In the method particle trajectory model of certain aviation bomb is chosen, drag law by the numerical simulation based on the virtual wind-tunnel is adopted.
该方法选用航空炸弹质点弹道模型，采用虚拟风洞数值模拟得到的炸弹阻力定律，结合实弹靶试数据，对弹道系数进行了符合计算。
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