| 基于疲劳累积损伤准则的随机结构动力可靠性灵敏度分析 |
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| 引用本文： | 黄益民,刘永寿,刘伟,岳珠峰.基于疲劳累积损伤准则的随机结构动力可靠性灵敏度分析[J].飞机设计,2010,30(2):5-9. |
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| 作者姓名： | 黄益民 刘永寿 刘伟 岳珠峰 |
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| 作者单位： | 西北工业大学,工程力学系,陕西,西安,710129 |
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| 基金项目： | 西北工业大学研究生创业种子基金，西北工业大学研究生创业种子基金，国家高技术研究发展专项(863计划)，陕西省自然科学基础研究计划项目 |
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| 摘 要： | 基于疲劳累积损伤准则,对动力可靠性灵敏度在工程上的应用进行了初步性的研究和探讨。研究表明,利用有限元软件将随机振动谱分析技术、基于Miner准则的疲劳动力可靠性理论和与灵敏度分析方法结合起来,分析结构的随机输入参数对结构的动力可靠性灵敏度的方法是有效并且可行的,本文的研究结果可为工程中随机结构的动力可靠性灵敏度的设计和评估提供参考。
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| 关 键 词： | 疲劳累积损伤 动力可靠性 随机振动 灵敏度 |
The Analysis of Dynamic Reliability Sensitivity for Stochastic Structures on the Bases of Fatigue Damage Accumulative Principle |
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| HUANG Yi-min,LIU Yong-shou,LIU Wei,YUE Zhu-feng.The Analysis of Dynamic Reliability Sensitivity for Stochastic Structures on the Bases of Fatigue Damage Accumulative Principle[J].Aircraft Design,2010,30(2):5-9. |
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| Authors: | HUANG Yi-min LIU Yong-shou LIU Wei YUE Zhu-feng |
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| Institution: | (Department of Engineering Mechanics,Northwestern Polytechnical University,Xi＇an 710072,China) |
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| Abstract: | Based on the fatigue damage accumulative principle,the application of dynamic reliability sensitivity in engineering is primary discussed in this paper.The presented method which combined the random vibration spectrum analysis technology,Miner theory of fatigue dynamic reliability and the sensitivity analysis method by finite element software investigating the structural dynamic reliability sensitivity to random input parameters is feasible.The results of this study can be the reference to the design and evaluation of reliability sensitivity for stochastic structures. |
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| Keywords: | fatigue damage accumulative dynamic reliability random vibration sensitivity |
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