直升机设备安装平台的强度优化设计

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摘  要：该文以直升机设备安装平台为研究对象，应用MSC Patran/Nastran软件，对平台承受最严重过载工况下的最大应力和屈曲失稳系数进行分析，得出各因素对最大应力和屈曲失稳系数的影响。之后通过OptiStruct对平台构型进行拓扑优化，确定平台最终构型。

关键词：设备安装平台；有限元方法；拓扑优化；筋条；稳定性

中图分类号：V243      文献标志码：A         文章编号：2095-2945（2024）08-0020-04

Abstract： Taking the helicopter equipment installation platform as the research object， this paper analyzes the maximum stress and buckling instability coefficient of the helicopter equipment installation platform under the most serious overload condition by using MSC Patran/Nastran software， and obtains the influence of various factors on the maximum stress and buckling instability coefficient. After that， the topology of the platform is optimized by OptiStruct to determine the final configuration of the platform.

Keywords： equipment installation platform; finite element method; topology optimization; ribs; stability

随着科技的不断进步和航空工业的发展，直升机上各产品结构不仅要安全、稳定，还要轻量化、低成本。（剩余4226字）