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【英文标准名称】:ComparisonandValidationofCreep-BucklingAnalysisMethods
【原文标准名称】:蠕变弯曲分析方法的比较和验证
【标准号】:ASMESTP-PT-022-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;分析方法;皱折;计算;倒塌;组合;比较;蠕变;曲面;设计;位移;弹性的;元件;失效模式;气瓶;几何的;不稳定性;模型;非线性的;塑料;压力容器;原理;应变;应力;证实;屈服强度
【英文主题词】:Analysis;Analysismethods;Buckling;Calculation;Collapses;Combination;Comparison;Creep;Curves;Design;Displacement;Elastic;Elements;Failuremode;Gascylinders;Geometric;Instability;Models;Non-linear;Plastics;Pressurevessels;Principle;Strain;Stress;Validation;Yieldstrength
【摘要】:Thisreportprovidescomparisonsofcreep-bucklingcalculationsandprovidesguidanceonapproximatemethodswhicharefeasiblefordesign.Thisreportincludesadiscussionofthevariouscreepmodels,presentscreepbucklinganalysistechniques,andprovidesseveralcomparativeexamplecalculations.Thetechniquesdiscussedinthisreportinclude:Baselineanalysis.Finiteelementcreepanalysiswithdifferentcreepmodelsandfullnon-linearstrain-displacement(geometrical)analysis.Criticalstraintechnique.Elasticbucklingstraindefinesthecreepbucklingstrain.Tangent/secantmodulusapproaches.Combinationsoftangentandsecantmodulioftheisochronousstress-straincurveareusedincalculationsthatreducetoelasticbucklingcalculationsintheelasticcase.Useofanisochronousstress-straincurveinalimit/instabilityanalysisoftheimperfectstructure.Aninstability(buckling)analysiswouldbeinprinciplethesameasTechnique3,andshouldgeneratethesameanswer.Addingplasticcollapseasafailuremodeensuresthattheyieldstrengthofthestructureisnotexceeded.Thisanalysisthereforereflectsthefailuremodeswhicharecoveredbythebaselinetechnique.
【中国标准分类号】:J74
【国际标准分类号】:23_020_30
【页数】:32P;A4
【正文语种】:英语