Emulational analyses on dynamic and static characteristics of 14 m3 concrete mixer sub frame have been implemented by applying ANSYS.Three dimensional solid model of sub frame has been established through CATIA , and static stress and mode analyses on the model have been carried out by quoting ANSYSY finite element analysis soft -ware, finally to obtain maximum stresses distribution statuses and natural frequencies as well as vibration model charac -teristics, which provided theoretic guidance for further design improvement of this types of vehicle .% 利用ANSYS软件对14 m 3混凝土搅拌车副车架的静动态特性进行仿真分析。通过CATIA软件建立副车架的三维实体模型，并导入ANSYSY有限元分析软件对模型进行静力分析和模态分析，得到其最大应力的分布情况和固有频率及振型特点。为该类型车辆的进一步改进设计提供了理论指导。
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