摘要
概述复合材料因其优异的比强度、比刚度、抗疲劳特性和可设计性,成为下一代飞机重要的结构材料;它一般可使结构减重25%,通过设计剪裁利用其方向刚度与变形耦合效应,还可有效改善飞机的静气动弹性与颤振品质。复合材料的应用对飞机设计既提供了机遇,也提出了挑战。为此各国都相继开发了复合材料结构的设计剪裁程序如程序:TSO,FASTOP,MBB/LAGRANGE,ELFINI,OPTSYS,ARGON等,以实现技术的飞跃。复合材料前掠翼的气动弹性剪裁设计解决了发散问题就是这类技术成功应用的一个典型例子。复合材料结构分析与优化设计程序系统COMPASS是一个多学科的综合系统。
A self-contained multidisciplinarg program system COMPASS has been developed for the design tailoring of composite structure according to strength / aeroelasticity requirements and has been used in Chinese aeronautic industry successfully. With the capabilities of substructuring and tailoring on layer level obvious weight saving and performance improvements could be attained for complex structures such as wing with external stores by COMPASS.
出处
《国际航空》
北大核心
1994年第6期18-19,共2页
International Aviation