Effect of Cracked and Notched Stiffeners on the Ultimate Strength of Steel Stiffened Panels
文档名：Effect of Cracked and Notched Stiffeners on the Ultimate Strength of Steel Stiffened Panels
Abstract：Thispapernumericallyevaluatestheeffectofthecrackpositionontheultimatestrengthofstiffenedpanels.Imperfectionssuchasnotchesandcracksinagedmarinestiffenedpanelscanreducetheirultimatestrength.Toinvestigatetheeffectofcracklengthandposition,aseriesofnonlinearfiniteelementanalyseswerecarriedoutandtwocaseswereconsidered,i.e.,case1withthinstiffenersandcase2withthickstiffeners.Inbothcases,thestiffenershavethesamecross-sectionarea.Tohaveabasisforcomparison,theintactpanelsweremodeledaswell.Thecracksandnotcheswereinthelongitudinalandtransversedirectionandwereassumedtobeinthemiddlepartofthepanel.Thecracksandnotcheswereassumedtobethroughthethicknessandthereisneithercrackpropagationnorcontactbetweencrackfaces.Basedonthenumericalresults,longitudinalcracksaffectthebehaviorofthestiffenedpanelsinthepostbucklingregion.Whenthestiffenersarethinner,theybucklefirstandprovidenoreservedstrengthafterplatebuckling.Thus,cracksinthestiffenersdonotaffecttheultimatestrengthinthecaseofthethinnerstiffeners.Generally,whenstiffenersarethicker,theyaffectthepostbucklingbehaviormore.Inthatcase,cracksinthestiffenersaffectthebucklingandfailuremodesofthestiffenedpanels.Theeffectofnotchwasalsostudied.Incontrasttothelongitudinalcrackinstiffeners,anotchinthestiffenersreducestheultimatestrengthofthestiffenedpanelforbothslenderandthickstiffeners.
作者：MusaBahmani FattanehMorshedsolouk MohammadRezaKhedmati Author：MusaBahmani FattanehMorshedsolouk MohammadRezaKhedmati
作者单位：BabolNoshirvaniUniversityofTechnology,MechanicalEngineeringFaculty,Babol,IranAmirkabirUniversityofTechnology,DepartmentofMaritimeEngineering,Tehran,Iran
刊名：哈尔滨工程大学学报（英文版） ISTIC
Journal：JournalofMarineScienceandApplication
年，卷(期)：2024, 23(2)
分类号：
Keywords：StiffenedpanelsCrackNotchUltimatestrengthBucklingNonlinearfiniteelementmethod
机标分类号：TF1TF741.5O241.82
在线出版日期：2024年5月27日
基金项目：EffectofCrackedandNotchedStiffenersontheUltimateStrengthofSteelStiffenedPanels[
期刊论文]哈尔滨工程大学学报（英文版）--2024, 23(2)MusaBahmaniFattanehMorshedsoloukMohammadRezaKhedmatiThispapernumericallyevaluatestheeffectofthecrackpositionontheultimatestrengthofstiffenedpanels.Imperfectionssuchasnotchesandcracksinagedmarinestiffenedpanelscanreducetheir...参考文献和引证文献
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Effect of Cracked and Notched Stiffeners on the Ultimate Strength of Steel Stiffened Panels
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