| 基于有限元法活塞杆应力集中的研究 |
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| 引用本文： | 王成刚,王小雨,郑晓敏,高九阳,谢晓恒.基于有限元法活塞杆应力集中的研究[J].武汉化工学院学报,2011(1):88-90,95. |
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| 作者姓名： | 王成刚 王小雨 郑晓敏 高九阳 谢晓恒 |
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| 作者单位： | 武汉工程大学机电工程学院; |
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| 摘 要： | 针对机械振打器活塞杆易于断裂的情况,利用有限元方法对气化炉机械振打器活塞杆的断裂进行了研究,得出了活塞杆Von-mises应力云图以及几何突变处不同的倒角半径对应的最大应力值.结果表明：活塞杆的最大应力发生在截面的几何突变处,且最大应力值随着倒角半径的增加而减小.其结果有助于对危险部位失效进行可行性预测,此预测对活塞杆的结构设计具有重要意义.
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| 关 键 词： | 非线性 有限元法 活塞杆 应力集中 倒角半径 |
Stress concentration of the piston rod based on Finite element method |
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| WANG Cheng-gang,WANG Xiao-yu,ZHENG Xiao-min,XIE Xiao-heng.Stress concentration of the piston rod based on Finite element method[J].Journal of Wuhan Institute of Chemical Technology,2011(1):88-90,95. |
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| Authors: | WANG Cheng-gang WANG Xiao-yu ZHENG Xiao-min XIE Xiao-heng |
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| Affiliation: | WANG Cheng-gang,WANG Xiao-yu,ZHENG Xiao-min,XIE Xiao-heng(School of Mechanical and Electrical Engineering,Wuhan Institute of Technology,Wuhan 430074,China) |
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| Abstract: | Based on the actual working conditions,the performance of piston rod about rapping device of gasifier were analyzed by using finite element method,obtained the Von-mises stress contour of piston rod and the maximum stress value of the different fillet radius at the varying cross-section.The results show that the maximum stress of piston rod occurred in the varing cross-section,and the maximum stress increases as the fillet radius decreases.The results was helpful to conduct a feasibility prediction for the ... |
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| Keywords: | nonlinear finite element method piston rod stress concentration fillet radius |
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