求翻译：应用三维造型软件建立了某矿用自卸车车架实体几何模型，给出了车架应力分析时的模型简化方法。根据自卸车整车的装配关系和车架的受力特点确定了车架强度有限元分析的边界条件，在此基础上建立有限元模型。依据矿用自卸车的典型受力选取满载静止、启动、制动和举升作业作为分析工况，应用ANSYS软件求解得到各工况卜车架的应力大小和应力分布规律。是什么意思？

The application of three-dimensional modeling software to build a solid geometry model of a mining dump truck frame, frame stress analysis of model simplification method. Dump truck vehicle assembly relations and the mechanical characteristics of the frame to determine the boundary conditions of fin

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Applied the three dimensional modelling software to establish some mineral product dump truck frame entity geometry model, has given time the frame stress analysis model short-cut method.Had determined according to the dump truck entire vehicle assembly relations and the frame stress characteristic

Application of three-dimensional modelling software has established a solid geometry model for mining dump truck frame, model simplification method for stress analysis of a frame. According to the dump truck vehicle Assembly and frame strength finite element analysis of mechanical characteristics de

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