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A Study on Shape Optimization of Bus Body Structure Based on Stiffness Sensitivity Analysis

机译:基于刚度灵敏度分析的客车车身结构形状优化研究

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The research of autobody lightweight technology is an important mainstream in the autobody design. In this paper A FEM model for the unitary body of a home-made bus is established.Then optimization design variables are determined through stiffness sensitivity analysis and by using finite element analysis software, an optimization is conducted,based on which a lightweighting scheme is put forward. The experiment indicated that after appropriate optimization the mass of the whole car body decrease 19.35Kg and the stiffness of the autobody maintained invariable.
机译:车身轻量化技术的研究是车身设计的重要主流。本文建立了一种用于客车整体的有限元模型,然后通过刚度敏感性分析确定了优化设计变量,并利用有限元分析软件进行了优化,并在此基础上提出了轻量化方案。向前。实验表明,经过适当的优化,整个车身质量降低了19.35Kg,车身刚度保持不变。

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