| 起落架疲劳载荷谱的损伤等效当量折算方法 |
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| 引用本文： | 苏开鑫.起落架疲劳载荷谱的损伤等效当量折算方法[J].航空学报,1994,15(1):62-69. |
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| 作者姓名： | 苏开鑫 |
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| 作者单位： | 南昌飞机公司 |
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| 摘 要： | 根据损伤等效当量折算理论,结合起落架载荷谱的特点,提出了平均应力相同的载荷谱；平均应力不相同,但最小应力却相同的载荷谱；已知应力比的载荷谱等三种情况下损伤等效当量折算方法。该方法无需进行危险部位损伤度的计算,便于工程应用,效果良好。
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| 关 键 词： | 起落架 频谱分析 破坏程度评估 |
| 收稿时间： | 1992-02-24; |
A CALCULATION METHOD OF EQUIVALENT DAMAGE FOR LANDING GEAR FATIGUE LOAD SPECTRUM |
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| Su Kaixin.A CALCULATION METHOD OF EQUIVALENT DAMAGE FOR LANDING GEAR FATIGUE LOAD SPECTRUM[J].Acta Aeronautica et Astronautica Sinica,1994,15(1):62-69. |
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| Authors: | Su Kaixin |
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| Institution: | Nanchang Aircraft Company,Nanchang,330024 |
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| Abstract: | Based on the theory of equivalent damage calculation and the character of landing gear fatigue load spectrum. The calculation method of equivalent damage is given for three states:The mean stress of spectrum iS same;The mean stress of spectrum is not same but its minimum stress is same;Ratio of stress of spectrum is known. It is very convenient and efficient to use the method in engineering and needless to calculate the damage degree at the critical sec- tions. |
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| Keywords: | landing gear spectrum analysis damage assessment |
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