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Modal Analysis of a Semi-trailer Frame Based on Ansys Workbench

机译：基于Ansys Workbench的半挂车车架的模态分析

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摘要

Semi-trailer frame performance has very important influence on stiffness and strength and fatigue resistance performance and vibration of the vehicle characteristics. A type semi-trailer frame is taken as the research object, solid model was established by Solid Works software, and its finite element model is established based on the FEA software Ansys Workbench. Modal analysis including prestressed is carried out and the first 8 order natural frequency and its vibration mode of semi-trailer frame is obtained. The analysis results in this paper provide the theory basis for frame structure improvement.
机译：半挂车车架的性能对于刚度和强度，抗疲劳性能以及车辆的振动具有非常重要的影响。以一种半挂车车架为研究对象，通过Solid Works软件建立了实体模型，并基于有限元分析软件Ansys Workbench建立了其有限元模型。进行了包括预应力在内的模态分析，得到了半挂车框架的前八阶固有频率及其振动模式。本文的分析结果为框架结构的改进提供了理论依据。

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