航空学报2026，Vol.47Issue(14)：76-84,9.DOI:10.7527/S1000-6893.2025.32798
空间可展开天线支撑结构热致振动与抑制
Thermally induced vibration and suppression of space deployable antenna support structures
摘要
Abstract
A structural dynamics model was established to address the issue of thermal deformation and structural vi-bration of large space deployable antenna support structures under cyclic dynamic temperature loads when entering and exiting the Earth's shadow.Equivalent thermodynamic material parameters of composite material members were provided,and thermal vibration response analysis was conducted.The nonlinear fluid damping model of Passive Non-linear Viscous Damper(PNVD)is presented,and a spatially deployable antenna support truss structure thermal vibra-tion suppression method based on nonlinear fluid damping is proposed.The experimental results of modal damping of large deployable antenna support structures show that before and after installing dampers,the fundamental frequency of the structure changes by no more than 1%,and the modal damping ratio increases by more than 2%.关键词
空间可展开天线/热致振动/非线性阻尼/振动抑制/航天器Key words
space deployable antenna/thermally induced vibration/nonlinear damping/vibration suppression/spacecraft分类
航空航天引用本文复制引用
罗成,林贵平,罗敏,郭元东..空间可展开天线支撑结构热致振动与抑制[J].航空学报,2026,47(14):76-84,9.基金项目
国家级项目 National Level Project （）
