Optimal Calibration of Q235B Steel JohnsonCook Model Parameters Based on Global Response Surface Algorithm

文档名：Optimal Calibration of Q235B Steel JohnsonCook Model Parameters Based on Global Response Surface Algorithm
Abstract：ThisstudyinvestigatesthemechanicalpropertiesofQ235Bsteelthroughquasi-statictestsatbothroomtemperatureandelevatedtemperature.TheinitialvaluesoftheJohnson-Cookmodelparametersaredeterminedusingafittingmethod.TheglobalresponsesurfacealgorithmisemployedtooptimizeandcalibratetheJohnson-CookmodelparametersforQ235Bsteelunderbothroomtemperatureandelevatedtemperatureconditions.Asimulationmodelisestablishedatroomtemperature,andthesimulatedmechanicalperformancecurvesfordisplacementandstressaremonitored.Multipleoptimizationalgorithmsareappliedtooptimizeandcalibratethemodelparametersatroomtemperature.Theglobalresponsesurfacealgorithmisidentifiedasthemostsuitablealgorithmforthisoptimizationproblem.Sensitivityanalysisisconductedtoexploretheimpactofmodelparametersontheobjectivefunction.Theanalysisindicatesthattheoptimizedmaterialmodelbetterfitstheexperimentalvalues,aligningmorecloselywiththeactualtestresultsofmaterialstrainmechanismsoverawidetemperaturerange.

作者：ShaojuanSu   YujieWu   GuohuiWang   ZheMiao   YepingXiong   FangxinGuo   HaiboLiu Author：ShaojuanSu   YujieWu   GuohuiWang   ZheMiao   YepingXiong   FangxinGuo   HaiboLiu
作者单位：NavalArchitectureandOceanEngineeringCollege,DalianMaritimeUniversity,116026Dalian,Liaoning,ChinaFacultyofEngineeringandPhysicalSciences,UniversityofSouthampton,BoldrewoodInnovationCampus,SO167QFSouthampton,UKDalianHengxingMarineEngineeringDesignCo.,LtdBureauofGeophysicalProspecting(BGP),ChinaNationalPetroleumCorporation(CNPC)
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：Q235B  Mechanicalpropertytest  Numericalsimulation  Johnsoncookmodel  Globalresponsesurfacealgorithm  
机标分类号：O186TG506TG115.5+8
在线出版日期：2024年5月27日
基金项目：OptimalCalibrationofQ235BSteelJohnson-CookModelParametersBasedonGlobalResponseSurfaceAlgorithm[
期刊论文]  哈尔滨工程大学学报（英文版）--2024, 23(2)ShaojuanSu  YujieWu  GuohuiWang  ZheMiao  YepingXiong  FangxinGuo  HaiboLiuThisstudyinvestigatesthemechanicalpropertiesofQ235Bsteelthroughquasi-statictestsatbothroomtemperatureandelevatedtemperature.TheinitialvaluesoftheJohnson-Cookmodelparametersare...参考文献和引证文献
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