摘要
采用有限元法研究了整体曲轴的变形和应力状态。应用参数化造型软件Pro/E对4125A型柴油机曲轴进行三维参数化实体造型,并将实体模型导入ANSYS中进行分析。在分析过程中,采用弹簧单元模拟主轴承的支承,使计算模型更加接近实际情况,同时还采用扫掠分网法使曲轴上的单元尽可能为规则六面体,提高了计算精度。分析结果表明:该曲轴能够满足设计要求,采用的方法以及得出的结论可为柴油机曲轴的设计、改进以及优化提供有益的技术和理论支持。
This paper investigates the displacement and stress state of crankshaft.By means of Pro/E,this paper set up a 3-dimension model of 4125A diesel engine＇s crankshaft,and then it was transferred into ANSYS.In order to improve calculation precision,using volume sweeping which can create regular hexahedral element to mesh the model of crankshaft,and adopting the spring unit to simulate the support of main bearing,let the computation model more close to the actual situation.The results show that the crankshaft to meet the design requirements.The method used and conclusions in this paper can be used in the diesel engine crankshaft design,improving and optimization.
出处
《农机化研究》
北大核心
2009年第5期51-54,共4页
Journal of Agricultural Mechanization Research
基金
陕西科技攻关项目资助(2003K03-G9-01)
