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| 航空发动机减速器轴系零件的强度可靠性计算方法 | |
| 引用本文： | 尹明德,欧阳祖行. 航空发动机减速器轴系零件的强度可靠性计算方法[J]. 航空学报, 1994, 15(5): 611-615 |
| 作者姓名： | 尹明德 欧阳祖行 |
| 作者单位： | 南京航空航天大学机械工程系,南京,210016 |
| 基金项目： | 国家自然科学基金,航空科学基金 |
| 摘 要： | 以古德曼（Ｇｏｏｄｍａｎ）应力线图和第四强度理论为基础,提出了等效高、低周复合循环应力的方法。采用蒙特卡罗（ＭｏｎｔｅＣａｒｌｏ）法对应力和强度进行了统计模拟,同时拟合了应力和强度的分布规律。运用应力－强度干涉模型,提出了评估轴在单一工作状态和多工作状态下,屈服、破坏和疲劳强度的可靠度计算方法,并编制了计算机程序。计算实例表明,该方法是令人满意的。 |
| 关 键 词： | 高频－低频－应力循环 轴强度－可靠性 蒙特卡罗法 |
| 收稿时间： | 1992-08-14 |
| 修稿时间： | 1993-03-01 |
A METHOD FOR THE STRENGTH RELIABILITY CALCULATION OF AXIAL LMACHING PARTS OF AIRLINE ENGINE REDUCER |
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| Yin Mingde,Ouyang Zhuxing. A METHOD FOR THE STRENGTH RELIABILITY CALCULATION OF AXIAL LMACHING PARTS OF AIRLINE ENGINE REDUCER[J]. Acta Aeronautica et Astronautica Sinica, 1994, 15(5): 611-615 | |
| Authors: | Yin Mingde Ouyang Zhuxing |
| Affiliation: | Department of Mechanical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing,210016 |
| Abstract: | On the basis of the Goodman stress diagram and the fourth strength theory,a method is suggested to get an equivalent stress for high-low frequency compound circulating stress,The stress and strength are simulated statisitcally with the Monte-Carlo method,and their distributions are fitted.The model of stress-strength interference is applied to the strength reliability calcula-tion,A method is put forward to calculate the yield,fracture and fatigue reliability of axial rnachine parts under single-working and multiworking conditions. and the calculation program is compiled.The calcuktion results indicate that the method is satisfactory. |
| Keywords: | high frequencies-low frequencies-cycles stress shafts(maehina elements)strength-re-liability Monte-Carlo method |
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