重卡车载储氢瓶支撑结构有限元分析

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中图分类号：U46 收稿日期：2025-05-15 DOI： 10.19999/j.cnki.1004-0226.2025.07.005

Finite Element Analysis of the Support Structure for Heavy-Truck Hydrogen Storage Cylinders

Xie Yichen1Niu Zheng1Wang Xinyu²Fu MinbolYang YulinglZhao Yalei1 1.Hefei General Machinery Research Institute Co.，Ltd.，Hefei 23oo31，China 2.WeichaiPower Co.，Ltd.，Weifang，China

Abstract：Ascriticalload-bearingcomponentsofhydrogenstoragesystemsforheavy-dutytrucks，themechanicalperformanceof thehydrogencylinderbundlesupportstructuredirectlyimpactsthesafeandstableoperationofteentiresystem.Thisstudyemployfniteelementanalysistoestablishasiulationmodelofthehydrogencyldersupportstructure.AsystematicinvestigationwascoductedonitsfirstsiderodalracteristiaturalfqucydistrbutiopaesndsoacebioAcelerationsctralde sity（ASD）responsewasevaluatedusingstandardroadexcitationspectra，whilestressfielddistributionanddeformation-sensitive zonesofthesupportstructurewereanalyzedundervariousinertialloadingconditions.Structuraltressintegritywasassessdthrough plasticcollpseandlocaloverstraincriteria.Theresearchoutcomesprovideesentialdatareferencesforvibrationsuppressiondesign and stress intensity optimization of on-board hydrogen storage equipment.

Keywords：Heavy-truck hydrogen storagesystem;Support structure;FEA;Load-bearingreliabilityanalysis

1前言

氢燃料汽车凭借其零碳排、高能量密度和高效补能等优势，正成为新能源汽车发展的战略制高点1]，安全高效的氢储运技术是氢燃料汽车利用的关键[2]。（剩余4510字）