| 充气压力对各向同性充气管轴压稳定性的研究 |
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| 引用本文： | 周涛,谢志民,杜星文.充气压力对各向同性充气管轴压稳定性的研究[J].齐齐哈尔大学学报(自然科学版),2007,23(3):64-67. |
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| 作者姓名： | 周涛 谢志民 杜星文 |
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| 作者单位： | 齐齐哈尔大学机械工程学院,黑龙江,齐齐哈尔,161006;哈尔滨工业大学复合材料与结构研究所,哈尔滨,150001 |
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| 摘 要： | 采用奇异摄动法研究各向同性充气支撑管的充气压力与轴压屈曲荷载之间的关系，及其对屈曲荷载和后屈曲平衡路径的影响。结果表明，充气压力可以弥补材料的几何缺陷，明显提高充气管的屈曲载荷。该结论为充气结构在空间的应用提供依据。
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| 关 键 词： | 充气结构 屈曲 后屈曲 奇异摄动法 |
| 文章编号： | 1007-984X（2007）03-0064-04 |
| 修稿时间： | 2006-10-18 |
Research into effect on the axial compression stabilization of isotropic tube by inner pressure |
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| ZHOU Tao,XIE Zhi-min,DU Xing-wen.Research into effect on the axial compression stabilization of isotropic tube by inner pressure[J].Journal of Qiqihar University(Natural Science Edition),2007,23(3):64-67. |
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| Authors: | ZHOU Tao XIE Zhi-min DU Xing-wen |
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| Institution: | 1. Mechanical Engineering College, Qiqihar University, Heilongjiang Qiqihar 161006, China; 2. Center for Composite Materials, Harbin Institute of Technology, Harbin 150001, China |
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| Abstract: | The singular perturbation technique was applied to research the relationship between pressure aerated of isotropic supporting tube and axial buckling load, and the effects on the buckling load and host-buckling equilibrium path. The results indicated that inner pressure can recuperate the geometric imperfection of material, enhance the buckling load of tube obviously, and provide the application basis for the inflatable structure in space. |
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| Keywords: | inflatable structure buckling postbuckling singular perturbation technique |
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