| 若干塑性平面应力问题的统一解 |
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| 引用本文： | 张永强,刘云贺,俞茂宏.若干塑性平面应力问题的统一解[J].西安交通大学学报,1999,33(6):60-63. |
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| 作者姓名： | 张永强 刘云贺 俞茂宏 |
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| 作者单位： | 西安交通大学,710049,西安 |
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| 摘 要： | 文中将统一特征线场理论推广应用于一些塑性平面应力问题，分别得出单向拉伸的平板试件、受压缩的梯形楔体和无限大板的孔洞扩张问题的极限荷载．研究结果表明：统一特征线场理论具有统一的力学模型和统一的线性数学表达式，易于求得解析解，可以灵活地应用于各类不同性质的材料，便于工程实际应用
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| 关 键 词： | 统一特征线场理论 塑性平面应力 带孔无限大板 统一强度理论 |
| 修稿时间： | 1998-07-01 |
Solutions to Plastic Plane Stress Problems |
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| Zhang Yongqiang,Liu Yunhe,Yu Maohong.Solutions to Plastic Plane Stress Problems[J].Journal of Xi'an Jiaotong University,1999,33(6):60-63. |
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| Authors: | Zhang Yongqiang Liu Yunhe Yu Maohong |
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| Abstract: | The unified characteristic theory is generalized and applied to plane stress problems with plasticity. Solutions are presented for a rectangular plate in uniaxial tension, a wedge plate in compression and a infinite plate with a circular hole. It is shown that the theory can be applied to many practical engineering problems. |
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| Keywords: | characteristic line field plastic plane stress infinite plate with a circular hole unifed strength theory |
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