| 轴对称物体不同有限元计算方法的精度研究 |
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| 引用本文： | 张国智,李华.轴对称物体不同有限元计算方法的精度研究[J].新乡学院学报(自然科学版),2011,28(1):62-64,72. |
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| 作者姓名： | 张国智 李华 |
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| 作者单位： | 张国智,ZHANG Guo-zhi(新乡学院,机电工程学院,河南,新乡,453003);李华,LI Hua(天津夏利汽车股份有限公司,产品开发中心,天津,300380) |
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| 基金项目： | 河南省教育厅自然科学研究计划项目 |
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| 摘 要： | 研究了不同有限元计算方法对轴对称物体计算精度影响的问题,从理论上对比分析了平面应力、轴对称、三维立体分析的异同。此外,分别应用平面应力、轴对称、三维立体有限元法对轴对称物体进行了有限元分析,并对三种算法及不同单元密度得到的径向应力、周向应力、等效应力进行了对比分析。
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| 关 键 词： | 计算精度 平面应力 轴对称 三维立体 单元密度 |
Study on the Accuracy of Different Finite Element Methods for Axisymmetric Objects |
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| Authors: | ZHANG Guo-zhi LI Hua |
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| Institution: | 1.Mechanical and Electrical Engineering College,Xinxiang University,Xinxiang 453003,China; 2.Tianjin FAW Xiali Automobile CO.,TD.R&D,Center,Tianjin 300380,China) |
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| Abstract: | The effect of different finite element methods for axisymmetric objects to the calculating accuracy was studied.The theoretical comparative analysis of the plane stress,axisymmetric,three-dimensional analysis was done.Moreover,plane stress,axisymmetric and three-dimensional finite element analyses were done.The radial stress,circumferential stress and equivalent stress with three kinds of analysis methods and different element densities were compared and analyzed. |
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| Keywords: | calculating accuracy plane stress axisymmetric three-dimensional element densities |
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