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

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．*[e-mail]．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．