| 圆筒径向接管开孔补强计算两种分析方法的比较 |
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| 引用本文： | 刘良海.圆筒径向接管开孔补强计算两种分析方法的比较[J].石油化工设备技术,2012,33(5):7-8,69. |
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| 作者姓名： | 刘良海 |
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| 作者单位： | 中国石化工程建设有限公司,北京,100101 |
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| 摘 要： | 对比有限元分析方法和GB 150—2011的弹性薄壳理论应力分析法在圆筒径向接管开孔补强的分析结果发现,由于应力奇异性,有限元分析结果是偏保守的。因此,推荐使用GB 150—2011的弹性薄壳理论应力分析法来计算圆筒径向接管开孔补强
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| 关 键 词： | 圆筒径向接管开孔补强 有限元分析 GB150—2011弹性薄壳理论应力分析法 |
COMPARISON OF TWO ANALYTICAL METHODS FOR CALCULATION OF CYLINDER RADIAL NOZZLE OPENING REINFORCEMENT |
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| Liu Lianghai.COMPARISON OF TWO ANALYTICAL METHODS FOR CALCULATION OF CYLINDER RADIAL NOZZLE OPENING REINFORCEMENT[J].Petro-Chemical Equipment Technology,2012,33(5):7-8,69. |
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| Authors: | Liu Lianghai |
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| Affiliation: | Liu Lianghai(SINOPEC Engineering Incorporation Ltd.,Beijing,100101) |
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| Abstract: | By comparing the analysis results of cylinder radial nozzle opening reinforcement from the finite element analysis method and the elastic thin shell theory stress analysis method based on GB150-2011,it is found out that the results obtained from the finite element analysis is a litter more conservative due to the stress singularity.Therefore,the elastic thin shell theory stress analysis method is recommended to calculate the cylinder radial nozzle opening reinforcement. |
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| Keywords: | Cylinder radial nozzle opening reinforcement Finite element analysis GB150-2011 Elastic thin shell theory stress analysis method |
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