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| 圆锥壳开孔与围栏加强力学特性分析 | |
| 引用本文： | 吴春芳,程远胜,杨娜娜. 圆锥壳开孔与围栏加强力学特性分析[J]. 传感器与微系统, 2011, 30(5): 66-68,71 |
| 作者姓名： | 吴春芳 程远胜 杨娜娜 |
| 作者单位： | 吴春芳,WU Chun-fang(武汉船舶职业技术学院,船舶工程系,湖北,武汉,430050);程远胜,CHENG Yuan-sheng(华中科技大学,船海学院,湖北,武汉,430050);杨娜娜,YANG Na-na(哈尔滨工程大学船舶工程学院,黑龙江哈尔滨,150001) |
| 基金项目： | 国际科技合作项目，国家自然科学基金资助项目，青年科学基金资助项目 |
| 摘 要： | 圆锥壳由于锥角的存在,其开孔的力学特性比圆柱壳开孔更为复杂.通过有限元方法分析圆锥壳半锥角对开孔应力集中系数的影响,认为开孔偏斜角越大,导致的应力集中系数越大;并在此基础上,研究了圆锥壳开孔大小α/R对应力集中系数的影响规律.并分析了加强围栏的长度变化对孔应力集中系数的影响,表明围栏是圆锥壳开孔加强的有效措施. |
| 关 键 词： | 圆锥壳 开孔 开孔加强 有限元方法 |
Analysis of mechanical characteristics of conical shell with openings and fense strengthen |
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| WU Chun-fang,CHENG Yuan-sheng,YANG Na-na. Analysis of mechanical characteristics of conical shell with openings and fense strengthen[J]. Transducer and Microsystem Technology, 2011, 30(5): 66-68,71 | |
| Authors: | WU Chun-fang CHENG Yuan-sheng YANG Na-na |
| Affiliation: | WU Chun-fang1,CHENG Yuan-sheng2,YANG Na-na3(1.Wuhan Institute of Shipbuilding Technology,Wuhan 430050,China,2.Huazhong University of Science and Technology,3.College of Shipbuilding Engineering,Harbin Engineering University,Harbin 150001,China) |
| Abstract: | Since the cone angle exist in conical shell,it's mechanical character of opening hole is much more complicate than the one in column shell.By finite element analysis,the impact of the semi-cone angle on the stress concentration factor of opening hole is analyzed.It is found that the greater the deflection angle of the hole,leading to greater stress concentration factor.And on this basis,the impact of the size of conical shell opening hole a/R on the stress concentration coefficient are investigated.The impa... |
| Keywords: | conical shell opening hole opening hole strengthen finite element method |
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