功能梯度石墨烯增强复合材料多孔层合壳的动力稳定性优化

  • 打印
  • 收藏
收藏成功


打开文本图片集

关键词:改进灰狼优化算法;石墨烯纳米片;孔隙;功能梯度材料;颤振 中图分类号: TP202+. 1; 0327; 0343 文献标志码:A DOI:10.16385/j.cnki.issn.1004-4523.202403002

Optimization of the dynamic stability for functionally graded graphene-reinforced composite laminated porous shells

HUANG Xiaolin, WANG Chengzhe, SUN Wenyu, TANG Siyuan (Schoolof ArchitectureandTransportationEngineering,Guilin UniversityofElectronic Technology,Guilin 541004,China)

Abstract:Tepresntstdydealswiththefluterotizationprboffunctioallgaedgaphe-refoedmpositelaatedpoos shellsubjecdtoerodynamicandtalads.Bytrodcinganolinearconvergeefactoradanadaptiveadjustmentmehaisthe traditionalgeyolftier(GWO)asiproedtotaketeweightfrequecyatioasthptizationojectieforteslesivertex angle,numberoflayers,and porosityvolume fraction wereconsideredastheoptimizationvariables.Theimproved GWO was employedtootateotialdesigparametrs,andthefluteriticalspedasusdsandicatotoealatetedaictabilityofte structure.TeresultssotathimprovedGWtrongebalseahapabiltiandghersolutionacuracyWeteatue decreases from 500K to 400K ,thegraphene platelets(GPL) mass fraction increases from 0% to 2% ,andthe length-radiusratio decreases from 6.O to 4.0,the flutter critical speed increases by 25% , 12% ,and 23% ,respectively.Moreover,the distribution and contentof both grapheneandporositysignificantlyafecttheotimalnumberoflayers.Inadition,theeffectsofteboundaryconditions,ambient temperature,andlengtradiusratioontheoptimalsm-vertexangleandnumberoflayersareisignificant,buttheirinfluenceonthe optimal porosity volume fraction cannot be neglected.

Keywords:improved greywolfoptimizationalgorithm;graphenenanoplatelets;pores;functionallygraded materials;fluter

功能梯度材料(functionallygradedmaterials,FGMs)层合截锥壳因其轻质、耐热以及卓越的设计灵活性,在众多工程领域中显现出巨大潜力。(剩余21898字)

monitor
客服机器人