| 基于XFEM和正交实验法的裂纹参数对扭杆强度影响的分析 |
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| 引用本文： | 曾晶晶,卜继玲,姜其斌.基于XFEM和正交实验法的裂纹参数对扭杆强度影响的分析[J].计算机辅助工程,2015,24(5):33-37. |
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| 作者姓名： | 曾晶晶 卜继玲 姜其斌 |
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| 作者单位： | 株洲时代新材料科技股份有限公司;株洲时代新材料科技股份有限公司;株洲时代新材料科技股份有限公司 |
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| 摘 要： | 为研究裂纹对扭杆安全运行的影响，采用扩展有限元法（eXtended Finite Element Method, XFEM）对其进行裂纹扩展分析，并结合正交实验法研究裂纹参数对扭杆强度的影响.结果表明：裂纹的长度对扭杆强度影响最大，裂纹的形状对扭杆强度影响最小.该数值分析方法可应用于扭杆的设计和检修中.
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| 关 键 词： | 扭杆 安全运行 裂纹扩展 正交实验法 裂纹参数 强度分析 |
| 收稿时间： | 2014/7/10 0:00:00 |
| 修稿时间： | 2014/12/3 0:00:00 |
Analysis on effect of crack parameters on torsion bar strength based on XFEN and orthogonal experiment method |
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| ZENG Jingjing,BU Jiling and JIANG Qibin.Analysis on effect of crack parameters on torsion bar strength based on XFEN and orthogonal experiment method[J].Computer Aided Engineering,2015,24(5):33-37. |
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| Authors: | ZENG Jingjing BU Jiling and JIANG Qibin |
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| Affiliation: | Zhuzhou Times New Material Technology Co., Ltd.;Zhuzhou Times New Material Technology Co., Ltd.;Zhuzhou Times New Material Technology Co., Ltd. |
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| Abstract: | To study the effect of crack on the safe operation of torsion bar, the eXtended Finite Element Method(XFEM) is used to analyze its crack propagation, and the effect of crack parameters on the torsion bar strength is studied by combining with orthogonal experiment method. The results indicate that, the effect of crack length on torsion bar strength is quite large, while the effect of crack shape on torsion bar strength is smaller. The numerical analysis method can be applied to the design and maintenance of torsion bar. |
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| Keywords: | torsion bar safe operation crack propagation orthogonal experiment method crack parameter strength analysis |
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