| 含有裂纹缺陷加筋板结构系统的可靠性分析 |
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| 引用本文： | 安海,安伟光,赵维涛. 含有裂纹缺陷加筋板结构系统的可靠性分析[J]. 兵工学报, 2011, 32(3): 348-354 |
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| 作者姓名： | 安海 安伟光 赵维涛 |
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| 作者单位： | (1.哈尔滨工程大学 航天与建筑工程学院， 黑龙江 哈尔滨 150001；2.沈阳航空工业学院 航宇学院， 辽宁 沈阳 110034) |
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| 摘 要： | 分析了裂纹缺陷对加筋板极限强度的影响,给出了加筋板单元的可靠性计算和敏度分析的表达式.对含有裂纹的加筋板单元组成的结构系统进行了可靠性分析,给出结构系统总体可靠性指标的计算方法及系统可靠性指标的敏度表达式;推出了含裂纹板元失效后对残余结构影响的反向节点力计算公式,保证了计算精度和可靠性分析的合理性;最后通过船舶结构的一...
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| 关 键 词： | 固体力学 裂纹缺陷 加筋板 反向节点力 敏度表达式 可靠性分析 |
Reliability Analysis on Stiffened Panel Structure with Crack Defects |
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| AN Hai,AN Wei-guang,ZHAO Wei-tao. Reliability Analysis on Stiffened Panel Structure with Crack Defects[J]. Acta Armamentarii, 2011, 32(3): 348-354 |
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| Authors: | AN Hai AN Wei-guang ZHAO Wei-tao |
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| Affiliation: | (1.College of Aerospace and Civil Engineering; Harbin Engineering University, Harbin 150001, Heilongjiang, China2.College of Aeronautics and Astronautics, Shenyang Institute of Aeronautical Engineering, Shenyang 110034, Liaoning, China) |
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| Abstract: | The influence of crack flaw on ultimate strength of stiffened panel is analyzed,and the reliability calculation and sensitivity analysis expressions of stiffened panel element are given also.The reliability analysis calculation method of integrity reliability index and reliability index sensitivity expressions of structure system which consists of the stiffened panel elements with crack defect are presented.The calculation formula of reverse node forces applied on residual structure after failure of stiffen... |
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| Keywords: | solid mechanics crack defect stiffened panel reverse node forces sensitivity expression reliability analysis |
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