Expounding the basic theory of subsystem partition, setting up the 3d module of the truck's cab, putting forward the principle of subsystem partition in the process of factual modeling.

阐述了子系统划分的理论依据，建立了驾驶室的3d模型，提出了在实际建模过程中子系统划分的一些原则。

youdao

For dynamics modeling of 3d fluid-solids two-phase flows in engineering problem it was brought forward of particles trajectory flexible model based on the discrete element method (DEM).

为解决工程应用中三维流固两相流动力学建模的难题，提出了基于离散单元法(dem)的颗粒群轨道柔性模型。

youdao

Based on rock mechanics theory and 3d numerical modeling, a synthetical safety evaluation for the roof stability has been put forward and verified by the case study.

根据岩石力学理论和三维数值模拟计算，结合我国一些金属矿工程实例研究，提出了地下采空区顶板稳定性的综合安全评判方法。

youdao