The invention belongs to the technical field of airplane repeated pressurizing tests, and particularly relates to an airplane repeated pressurizing test load spectrum simplification method, which comprises the following steps of: 1, determining a repeated pressurizing load spectrum and a maximum pressurizing load; step 2, rain flow counting is carried out on charging load spectrums of different mission profiles in the repeated charging load spectrums, and a load level is determined according to a rain flow result; 3, calculating the relative damage of each mission profile based on the load level; 4, calculating the relative damage of all mission profiles; 5, simplifying the load series of the repeated pressurizing load spectrum to obtain the load series of a simplified load spectrum; and step 6, according to a relative damage equality principle, determining load values of different load levels of the simplified load spectrum and proportions of the load values.
本申请属于飞机重复充压试验技术领域,具体涉及一种飞机重复充压试验载荷谱简化方法,包括:步骤一、确定重复充压载荷谱及最大充压载荷;步骤二、对重复充压载荷谱中,不同任务剖面的充压载荷谱进行雨流计数,根据雨流结果确定载荷级;步骤三、基于载荷级,计算每个任务剖面的相对损伤;步骤四、计算所有任务剖面的相对损伤;步骤五、简化重复充压载荷谱的载荷级数,得到简化载荷谱的载荷级数;步骤六、根据相对损伤相等原则,确定简化载荷谱不同载荷级的载荷值及其占比。
Aircraft repeated pressurizing test load spectrum simplification method
一种飞机重复充压试验载荷谱简化方法
2025-03-28
Patent
Electronic Resource
Chinese
IPC: | B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung |
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