脉冲子结构与模态子结构混合空间子结构综合法

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关键词：混合空间；模态综合法；脉冲子结构；着陆回收；冲击 中图分类号：TB12；TH113.1 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202509047

Hybrid coordinates synthesis method of impulse-based substructure and component mode substructure

WANG Huyin1，DING Sheng²³，WANG Boxi1，LI Qiming1， HE Huan23 （1.AVIC Shenyang AircraftDesign Institute，Shenyang110o35，China；2.State KeyLaboratory of Mechanics and Control for Aerospace Structures，Nanjing University of Aeronautics and Astronautics，Nanjing 210o16，China; 3.InstituteofVibrationEngineeringResearch，NanjingUniversityofAeronauticsandAstronautics，Nanjing21ool6，China）

Abstract：Theaireraft-misilecouplingsystemundergoesashort-durationimpactprocessduringthelandingphase.Whensiulatingand analyzingthisprossusingtetaditioalfiiteeemetmetod，teoftenexistproblessuchsteagesaleoftefinitentoel and modeltasferbarersbetwendiferentdeparmentsTeimpulsebasedsubstructureB）methddmonstratesstrongaplcabilityin handling transientdynamicresposeanalysis problems，but hismetodconsuessubstantialcomputatioalresoues whengeneatingthe impulseresponsefunctionmatrix.Therefore，thispaperextendsthetraditionalimpulse-basedsubstructuremethod，propossahybrid coordinatessubstructuresthsisetodombingimpusbasedsubstructureandmodal-omaisubstructure-CB），andestablsa dominantodeselectiocriterionsuitableforthismethod.Throughanumericalcasestudyonthelandingdynamicsoftheaicraf-isile couplingsystmteectivesoftulti-omaisubstructuestsmetodpropoedinispapriseifdeallaisults show that this method can significantly improve computational efficiency while maintaining high accuracy.

Keywords： hybrid coordinates;component mode synthesis;impulse-based substructure;landing and recovery;shock

动态子结构综合法是一类模型自由度降阶方法，因其能够有效缩小大型复杂结构仿真计算规模，且在模型传递、多级组装部件动特性估计等方面具有优势，得到了学术界和工程界的广泛关注。（剩余14988字）