基于虚拟试验的复合材料设计许用值的确定及结构强度验证

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40220194JOURNALOFDALIANJIAOTONGUNIVERSITYVol.40No.2Apr.20191673-9590201902-0061-061121.1300622.100085*Digimat-VA、CFRPB.ADOI10.13291/j.cnki.djdxac.2019.02.014、.FRPCFRP、.、、、“”“CETROVO”..、1-3.1.641296、4824...DigimatVAASTMCFRP.、CFRP..14-599%95%A90%95%B.*2018-10-072016YFB1200505-0021990-E-mailjunjiegu@outlook.com.62400°90°、、、11.x、y、、、.、.B、.1.1、、14.“5$2$3”“5”53“2”“3”3CTD、RTD、ETW55℃、.1CTDRTDETW0%5$2$35$2$35$2$39090%5$2$35$2$35$2$3900%5$2$35$2$35$2$39090%5$2$35$2$35$2$3905$2$35$2$35$2$390450ASTMD30ASTM6.ASTMD3039、D6641、D3518.、18~30、、.B、.B4Bj=x--kB()js1jxx-=1N∑N1xixNskBBkB()j=zBfQ槡+1cBnj+bB2cB槡2-bB2cB2zB=1.28115njf=N-2bBf()=1.13721槡f-0.491621f+0.186121槡ff3cBf()=0.36961+0.00403421槡f-0.717501f+0.196931槡ff4Q=f-2.327槡f+1.138+0.60571槡f-0.32871ff≤30.05129f=2522.1.Digi-matVA、、、B.2.2632Digimat2.2.RC410UC3002.2/°/°145RC41045RC410290UC3000UC30030RC4100RC41040UC3000UC300545RC41045RC41060UC3000UC30070RC4100RC410890UC3000UC300945RC41045RC41023℃42%16、3.3RC410Cv/%Cv/%RC4100°GPa55.86.3611.400°GPa45.04.419.8090°GPa50.73.406.7290°GPa46.42.024.36-0.060.0473.3GPa2.950.124.030°MPa58545.77.810°MPa17416.99.7490°MPa56175.513.590°MPa22214.26.40MPa1044.143.99UC3000°GPa1042.542.450°GPa92.23.653.9690°GPa8.730.546.2290°GPa9.890.222.23-0.310.038.52GPa4.080.184.430°MPa179075.14.190°MPa83375.89.1090°MPa362.145.9090°MPa1395.203.75MPa31.21.765.642RC410、UC300.RC410、UC30055%60%34.4RC410UC300RC410UC300RC410UC300186.58167.49GPa23.3237.994GPa41.2344.779GPa0.4690.221-0.5860.277-1988.22881.6MPa581.931334.9MPa1890.2-MPa744.88-MPa2.4838.73GPa-67.985141.83MPa644035.5RC410UC300RC410UC30011.4%2.45%9.8%3.96%7.81%4.19%9.74%9.1%6.72%6.22%4.36%2.23%13.5%4.19%6.4%3.75%3%3%2°2°223℃42%、、6.6ASTM、0%90%0%90%0%90%0%90%D3039D6641D5766D64843$2$33$2$33$2$33$2$33$2$33$2$33$2$33$2$3±45°RC410、UC300D35183$2$33246.、、a、b3、3.3244.7.470°GPa44.18559.1750°GPa36.18850.25990°GPa44.18525.7990°GPa36.18823.510°MPa301.42454.930°MPa128.01181.290°MPa301.42202.3290°MPa128.0198.8380°MPa249.74346.010°MPa117.02150.2390°MPa249.74113.6390°MPa117.0273.5332657300kN..70°90°70°90°0°90°.5.188.5MPa0°90°215.3MPa.45°6.、7134.5MPa301.42MPa154.7MPa128.01MPa.ab5645°ab73ASTMDigimat-VA.6640.1.—J.201459-13.2CMH-17-3G.CompositeMaterialsHandbookVolume3.PolymerMatrixCompositesMaterialsUsageDesignAndAnalysis.Chapter5.Materialsandprocesses-theeffectsofvariabilityoncompositepropertiesS.USWichitaStateUniversity2012.3RUFFNERDJOUINP.QualificationUsingaNestedEx-perimentalDesignC//NETTLESATZUREICKA.CompositeMaterialsTestingDesignandAcceptanceCriteria.WestConshohockenASTMInternational2002.4.M.2011.5FAA.AC20-107BS.USFederalAviationAdministration2009.6.J.2015312-21.DesignAllowablesDeterminationandStructureStrengthVerificationofVirtualTestCompositeGUJunjie1ZHANGLan1LIUYang21.NationalEngineeringTechnologyandResearchCenterforSystemIntegrationofRailwayVehicleCRRCChangchunRailwayVehiclesCo.LtdChangchun130062China2.BeijingXinGongChengTechnologyCo.LtdBeijing100085ChinaAbstractBuildingblockverificationsystemforcompositesandthedeterminationapprachofdesignallowablesaresummarized.ThedeterminationprocessofdesignallowablesforthecompositesbyDigimat-VAvirtualtestisgivenwhichconsideringtheeffectsofvariabilityonfibersandmatrixpropertiesandfabricationerrorscanbeusedtocalculateB-basisvalueofstrengthandaveragevalueofmoduliofCFRPbasedonhomogenizationtheoryandfiniteelementmethod.Thisprocessisdemonstratedinthestrengthverificationofthecompositedrivercabofatypeofcommutertrain.Keywordscompositevirtualtestdesignallowablefiniteelementmethodstrengthanalysis檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檱檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪殏殏殏殏1112111.1500902.150050、、.1.

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