先进战斗机强度设计技术发展与实践

doi:10.7527/S1000-6893.2019.23480

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先进战斗机强度设计技术发展与实践

张立新, 钟顺录, 刘小冬, 付焕兵, 兑红娜, 刘栋梁, 敬禄云, 牟彬杰, 石上路

中国航空工业成都飞机设计研究所强度部, 成都 610091

收稿日期:2019-09-10 修回日期:2019-09-19 出版日期:2020-06-15 发布日期:2019-10-24
通讯作者: 张立新 E-mail:zhang_li_xin@263.net

Development and application of strength design technology of high performance fighter

ZHANG Lixin, ZHONG Shunlu, LIU Xiaodong, FU Huanbing, DUI Hongna, LIU Dongliang, JING Luyun, MOU Binjie, SHI Shanglu

Department of Strength, AVIC Chengdu Aircraft Design and Research Institute, Chengdu 610091, China

Received:2019-09-10 Revised:2019-09-19 Online:2020-06-15 Published:2019-10-24

摘要/Abstract

摘要： 新一代先进战斗机对机体平台的要求可以总结为轻重量、长寿命、多功能以及高承载。实现这个目标，除了材料与制造（新材料、新工艺、新结构/装配）的贡献，主机所强度设计/分析/验证技术也必须提升以适应先进战斗机的研制要求。本文阐述了强度设计团队围绕结构完整性要求，近年来在结构强度设计/分析/验证方面的研究成果、技术发展与设计实践，主要包括：面向新一代战斗机强度设计与验证的规范架构，基于多维包线的结构载荷筛选技术，基于统一模型的全机内力分析技术，复合材料整体化结构分析技术，高精度快速细节应力分析技术，内埋武器舱预紧舱门原理与强度设计，双曲面加筋壁板快速建模及声疲劳分析方法，结构故障预测与健康管理系统设计等。上述研究成果已成功应用于新一代战斗机机体平台研制。

关键词: 强度规范架构, 载荷筛选, 内力载荷分析, 复合材料整体化结构分析, 细节应力分析, 内埋武器舱预紧舱门, 声疲劳, 故障预测与健康管理

Abstract: The airframe of high performance fighter requires light weight, long life, multi-function, and high g capacity. To achieve this goal, in addition to the contribution of materials and manufacturing technology (new materials, new processes, and new structures), structural strength design, analysis, and verification technology of design institute must also be improved to meet the requirements. Focusing on the requirements of structural integrity, this paper describes the research results, technical development, and design practice of the strength team in recent years. It mainly includes the specification architecture for strength design and verification of high performance fighter, structural load screening technology based on multi-dimensional envelope, internal loads analysis technology based on unified FEM model, composite integrated structure analysis technology, detail stress analysis technology with high precision and efficiency, pre-tightening principle and strength design of embedded weapon bay door, rapid modeling, and acoustic fatigue analysis method of curved stiffened panel, prognostic and health management system design. The above research results have been successfully applied to the development of a new generation of high performance fighter airframe.

Key words: strength specification architecture, load screening, internal loads analysis, composite integrated structure analysis, detailed stress analysis, embedded weapon bay pre-tightening door, acoustic fatigue, prognostic and health management

中图分类号:

V215.2

张立新, 钟顺录, 刘小冬, 付焕兵, 兑红娜, 刘栋梁, 敬禄云, 牟彬杰, 石上路. 先进战斗机强度设计技术发展与实践[J]. 航空学报, 2020, 41(6): 523480-523480.

ZHANG Lixin, ZHONG Shunlu, LIU Xiaodong, FU Huanbing, DUI Hongna, LIU Dongliang, JING Luyun, MOU Binjie, SHI Shanglu. Development and application of strength design technology of high performance fighter[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2020, 41(6): 523480-523480.

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E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

先进战斗机强度设计技术发展与实践

Development and application of strength design technology of high performance fighter

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