Analysis of mechanical characteristics of conical shell with openings and fense strengthen

WU Chun-fang1; CHENG Yuan-sheng2; YANG Na-na3

doi:10.13873/j.1000-97872011.05.013

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Analysis of mechanical characteristics of conical shell with openings and fense strengthen

更新时间：2025-09-11

- Analysis of mechanical characteristics of conical shell with openings and fense strengthen
- Vol. 30, Issue 5, Pages: 66-68+71(2011)
- 作者机构：
  
  1. 武汉船舶职业技术学院船舶工程系
  2. 华中科技大学船海学院
  3. 哈尔滨工程大学船舶工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872011.05.013
  CLC： U661.4
- Published：2011
- 稿件说明：
移动端阅览
[1]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(05):66-68+71.

WU Chun-fang1, CHENG Yuan-sheng2, YANG Na-na3. Analysis of mechanical characteristics of conical shell with openings and fense strengthen[J]. 2011, 30(5): 66-68+71.
[1]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(05):66-68+71. DOI： 10.13873/j.1000-97872011.05.013.

WU Chun-fang1, CHENG Yuan-sheng2, YANG Na-na3. Analysis of mechanical characteristics of conical shell with openings and fense strengthen[J]. 2011, 30(5): 66-68+71. DOI： 10.13873/j.1000-97872011.05.013.

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a/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。

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 impact of the change of strengthened fence’s length on stress concentration coeffient is analyzed.It indicates that the fence is an effective method to strengthen the conical shell opening hole.

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references

圆柱壳开孔补强结构的有限元分析 [J]. 路智敏,赵利利. 内蒙古工业大学学报(自然科学版) . 2007(04)

具有薄壳理论同样精度的圆锥壳简化解 [J]. 崔维成,裴俊厚,张伟. 上海交通大学学报 . 2002(01)

圆锥壳的精确解与等效圆柱壳的解的比较 [J]. 崔维成,裴俊厚,张伟. 船舶力学 . 2000(04)

圆柱壳开孔的应力集中──非圆孔问题的一般解 [J]. 刘殿魁,胡超. 应用数学和力学 . 1997(07)

壳体开孔的理论与实验[M]. 国防工业出版社 , 徐秉汉等著, 1987

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