| 弹塑性大变形有限元法在直缝焊管成型中的应用 |
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| 引用本文： | 叶金铎,温殿英,冯垣,潘丽华. 弹塑性大变形有限元法在直缝焊管成型中的应用[J]. 重型机械, 2001, 1(1): 34-36 |
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| 作者姓名： | 叶金铎 温殿英 冯垣 潘丽华 |
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| 作者单位： | 天津理工学院 |
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| 基金项目： | 天津市自然科学基金资助项目(914080115) |
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| 摘 要： | 采用弹塑性大变形有限元法研究了直缝焊管成型过程，针对边界非线性问题，首次导出了位移边界条件的迭代方法，分析了33.5mm×2mm双半径焊管管坯表面的应变分布规律。该方法也适用于冷弯过程。
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| 关 键 词： | 弹塑性 大变形 边界非线性 有限元法 焊管 |
The study of the formingof welded tube by the finite element method concerning large elastoplastic deformation |
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| Ye Jinduo et al. The study of the formingof welded tube by the finite element method concerning large elastoplastic deformation[J]. Heavy Machinery, 2001, 1(1): 34-36 |
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| Authors: | Ye Jinduo et al |
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| Affiliation: | Ye Jinduo et al |
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| Abstract: | The forming process of welded tube is studied by the FEM of large elastic plastic deformation.A new method of dealing with nonlinear displacement boundary conditions is firstly developed The laws of strain distribution are given by numerical examples.The method can be used for all the processes of cold bent rolling forming. |
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| Keywords: | elastic plastic large deformation nonlinear boundary condition finite element method welded tube. |
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