| 增量变刚度法和过渡区元素等效应变增量的计算 |
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| 引用本文： | 郭振坤,李得环.增量变刚度法和过渡区元素等效应变增量的计算[J].西北轻工业学院学报,1989,7(3):20-24. |
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| 作者姓名： | 郭振坤 李得环 |
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| 作者单位： | 西北轻工业学院机械工程系，西北轻工业学院机械工程系，西北轻工业学院机械工程系，西北轻工业学院机械工程系 |
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| 摘 要： | 本文介绍了弹塑性有限元塑性阶段的处理方法和增量变刚度法;论述了提高增量变刚度法精度和计算速度的途径;导出了关于过渡区元素等效应变增量的计算公式;最后总结了增量变刚度法的主要计算步骤,并绘制了程序框图。
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| 关 键 词： | 应变增量 等效应变增量 过渡区元素 微负荷增量 |
METHOD OF INCRESMENT CHANGE STIFFNESS AND THE METHOD OF CALCULATING EQUIVALENT STRAIN INCRESMENT ABOUT TRANSITION ELEMENT |
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| Guo Zhenkun Li Dehuan Gai Penglin Zheng Yongqiang.METHOD OF INCRESMENT CHANGE STIFFNESS AND THE METHOD OF CALCULATING EQUIVALENT STRAIN INCRESMENT ABOUT TRANSITION ELEMENT[J].Journal of Northwest University of Light Industry,1989,7(3):20-24. |
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| Authors: | Guo Zhenkun Li Dehuan Gai Penglin Zheng Yongqiang |
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| Affiliation: | Guo Zhenkun Li Dehuan Gai Penglin Zheng Yongqiang |
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| Abstract: | this paper deals with the method of incresment change stiffness about clasto-plastic finit element in the plastic range;It discusses the path about incresing accuracy and speed of calculation;and it also derives from the calculation formula of equivalent incresment about transition element, Finally,it offers the principal calculation step of the method incres- ment change stiffness and program project, |
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| Keywords: | strain incresment equivalent strain incresment transition small load incresment |
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