航空学报 > 2021, Vol. 42 Issue (5): 524394-524394   doi: 10.7527/S1000-6893.2020.24394

飞机结构疲劳与结构完整性发展综述

崔德刚1, 鲍蕊2, 张睿3, 刘斌超2, 欧阳天2   

  1. 1. 中国航空工业集团公司 科学技术委员会, 北京 100010;
    2. 北京航空航天大学 航空科学与工程学院, 北京 100083;
    3. 中国航空研究院 技术研究一部, 北京 100012
  • 收稿日期:2020-06-11 修回日期:2020-08-07 出版日期:2021-05-15 发布日期:2020-10-16
  • 通讯作者: 鲍蕊 E-mail:rbao@buaa.edu.cn

Development of aircraft structural fatigue and structural integrity: Review

CUI Degang1, BAO Rui2, ZHANG Rui3, LIU Binchao2, OUYANG Tian2   

  1. 1. Science and Technology Committee, Aviation Industry Corporation of China, Beijing 100010, China;
    2. School of Aeronautic Science and Engineering, Beihang University, Beijing 100083, China;
    3. Technical Research Department 1, Chinese Aeronautical Establishment, Beijing 100012, China
  • Received:2020-06-11 Revised:2020-08-07 Online:2021-05-15 Published:2020-10-16

摘要: 飞机结构设计与强度分析是影响飞机结构安全的关键因素,从静强度到安全寿命、损伤容限理念的提出,再到耐久性概念和结构完整性规范的形成,经历了飞机设计理念和技术体系不断完善的过程。然而,目前结构完整性理念在工程实际中的贯彻仍停留在产品研制和检测的层面,限制了其更深层次的作用。介绍了飞机结构设计从静强度设计到结构完整性设计的发展历程、飞机结构完整性的基本概念和飞机结构完整性大纲(ASIP)的主要特点;通过"5个任务",突出了结构完整性大纲从传统设计阶段的分析和检测规范到产品全生命期的过程控制与管理规范的提升转变;最后通过2个典型型号案例,介绍了飞机结构完整性理念在设计、验证与使用维护全生命期的成功应用。通过对基本概念的剖析以及对主要设计理念发展的梳理,展示了飞机结构安全策略从设计研制阶段到全生命期控制的质变过程,指出了结构完整性理念从基于试验的体系方法向着数字化方向发展的趋势。

关键词: 飞机结构完整性, 疲劳设计理论, 工程分析方法, 结构完整性大纲, 结构强度

Abstract: As the main factor affecting the safety of structures, the structural design and strength analysis of aircraft has developed from static strength design to safety-life design and damage-tolerance design, and further to the durability concept and aircraft structural integrity, during which the design and technique philosophies keep improving and undergo qualitative changes. However, the present understanding towards structural integrity in engineering practice is limited to the level of product development and testing, hindering its significance at a further level. This paper first introduces the development of aircraft structural design from static strength design to structural integrity design, the basic concept of aircraft structural integrity, and the main contents and key points of Aircraft Structural Integrity Program (ASIP). Moreover, the promotional transition from the traditional specification for analysis and testing within the design phase to the present one for process control and management within the whole product lifecycle is addressed by elucidating the "Five Tasks". Finally, two typical successful ASIP applications involving the design, verification and maintenance of aircraft structural integrity are presented as examples. Through the basic concepts and development of the main design philosophies, this paper shows the qualitative change of aircraft structural safety strategies from limited application within the design and development phase to thorough application for process control within the full lifecycle, and points out the trend that structural integrity philosophies are developing from experiment-based systematic approaches to digital ones.

Key words: aircraft structural integrity, fatigue design theory, engineering analysis method, structural integrity program, structure strength

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