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多损伤是老龄飞机最主要的损伤形式,在文中介绍了多损伤应力强度因子的计算方法和多裂纹连通准则,飞机结构多损伤裂纹扩展模型和可靠性分析研究现状。
Multi-damage is the most important form of damage for the aging aircraft. In this paper, the calculation methods of multi-damage stress intensity factor, the criterion of multi-crack connectivity, the multi-damage crack propagation model of aircraft structure and the status quo of reliability analysis are introduced.