圆柱壳大开孔补强的应力集中分析

Shu Bin; Hu Gangyi; Xiao Wei Zhang; Yuansheng

doi:10.3969/j.issn.1673-3185.2011.02.007

Shu Bin, Hu Gangyi, Xiao Wei Zhang, Yuansheng. 圆柱壳大开孔补强的应力集中分析[J]. Chinese Journal of Ship Research, 2011, 6(2): 35-39. DOI: 10.3969/j.issn.1673-3185.2011.02.007

Citation:

Shu Bin, Hu Gangyi, Xiao Wei Zhang, Yuansheng. 圆柱壳大开孔补强的应力集中分析[J]. Chinese Journal of Ship Research, 2011, 6(2): 35-39. DOI: 10.3969/j.issn.1673-3185.2011.02.007

Citation:

Shu Bin, Hu Gangyi, Xiao Wei Zhang, Yuansheng. 圆柱壳大开孔补强的应力集中分析[J]. Chinese Journal of Ship Research, 2011, 6(2): 35-39. DOI: 10.3969/j.issn.1673-3185.2011.02.007

圆柱壳大开孔补强的应力集中分析

Abstract

Abstract

针对潜艇耐压壳体上大开孔补强处的应力集中现象,结合工程实际问题,采用规范和有限元法对潜艇耐压壳体上大开孔不同补强形式进行了研究,建立了相应的模型,并求出了应力集中系数。通过对两种方法的计算结果进行分析比较,发现当围壁加强时,最大周向应力处的弯曲应力不容忽视。结果说明,用有限单元法进行大开孔补强结构设计是合理、有效的,是对规范计算的完善和补充。

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