有限元分析系統(tǒng)的發(fā)展現(xiàn)狀與展望-畢業(yè)論文外文翻譯

1、FiniteelementanalysissystemdevelopmentpresentsituationfecastAlongwithmodernsciencetechnologydevelopmentthepeopleunceasinglyaremakingthefastertransptationvehiclethelargescalebuildingthegreaterspanbridgethehighefficiencypo

2、wersettheprecisermechanicaldevice.Alltheserequestengineertobeablepreciselytofecastinthedesignstagetheproducttheprojecttechnicalperfmanceneedstobestatictechnicalparametersoondynamicstrengthtothestructureaswellastemperatur

3、efieldflowfieldelectromagicfieldtransfusioncarriesontheanalysiscomputation.FexampleanalysiscomputationhighriseconstructiongreatspanbridgewhenearthquakereceivestheinfluencehasalookwhethercanhavethedestructiveaccidentThean

4、alysiscalculatesthenuclearreactthetemperaturefieldthedeterminationheattransferthecoolingsystemarewhetherreasonableAnalyzesinthenewleafbladethehydrodynamicsparameterenhancesitsoperatingefficiency.Thesellmaysumupasthesolut

5、ionphysicsquestioncontrolpartialdifferentialequationsoftenisnotimpossible.Inrecentyearsthefiniteelementanalysiswhichdevelopsinthecomputertechnologyunderthenumericalanalysismethodsuppt(FEAFiniteElementAnalysis)thesideprin

6、ciplefsolvesthesecomplexprojectanalysisestimationproblemstoprovidetheeffectiveway.Ourcountryin“95“PlanperiodvigouslypromotestheCADtechnologymechanicalprofessionlargedlescaleneterriesCADpopularratefrom“85“End20%enhancesth

7、atpresent70%.WithenterpriseapplicationofCADengineeringtechnicalpersonnelhasgraduallygetriddrawingboardwilljointhemainenergyhowtooptimizethedesignengineeringimprovingthequalityofproductscomputeraidedengineeringanalysis(CA

8、E.ComputerAidedEngineering)methodsoftwarewillbethekeytechnicalelements.lnengineeringpracticefiniteelementanalysissoftwareCADsystemintegrationdesignstardsshouldbeaqualitativeleapmainlyinthefollowingaspects:Theincreasedesi

9、gnfunctionreducesthedesigncostReducesdesigntheanalysiscycleperiodIncreaseproductprojectreliabilityUsestheoptimizeddesignreducesthematerialtheconsumptionthecostunitenoughtobesmalltheobtainedsolutionmayenoughapproachtothep

10、recisevalue.Therefetherecentyearsfiniteelementmethodhasdevelopedquestionthesoonhydromechanicstemperaturefieldelectricityconductionmagicfieldtransfusionsoundfieldsolutioncomputationrecentlydevelopedsolvesseveralinterdisci

11、plinarystudies.thequestions.Fexamplewhentheaircurrentflowsaveryhighirontowertohavethedisttionbutthetowerdisttioninturnaffectstotheaircurrentflows.Thisneedstousethesolidmechanicsthehydrodynamicsfiniteelementanalysisfinall

12、yoverlappingiterationsolvesnamelysocalled“Flowssolidcoupling“Question.2Progressesfromthesolutionlinearprojectquestiontotheanalysisnonlinearproblemalongwiththesciencetechnologydevelopmentthelineartheyalreadybyfarcouldnots

13、atisfythedesigntherequest.FexampleinconstructionprofessionhighriseconstructiongreatspanhangingbridgeappearancerequestconsiderationgeometrynonlinearproblemsoonstructurebigdisplacementbigstrainAstronauticspowerengineeringh

14、ightemperaturepartexistencethermaldefmationthermalloadalsomustconsiderthematerialthenonlinearproblemSuchastheplastictherubberthecompoundmaterialsooneachkindofnewmaterialappearanceonlydependsonthequestionwhichthelinearcom

15、putationtheyisinsufficienttosolvemeetsonlyhasusesthenonlinearfiniteelementalgithmtobeabletosolve.Itiswellknownthenonlinearvaluecomputationisverycomplexitinvolvestotheverymanyspecialmathematicsquestiontheoperationskilltha

16、nksthegeneralengineeringtechnicalpersonneltograspverymuch.HasspentmassivespecialtysoonmanpowerinvestmentdevelopmentsuchasMARCABQUSADINAfthisrecentyearsoverseassomecompaniestosolutionnonlinearproblemfiniteelementanalysiss

17、oftwarewidelyappliestotheprojectpractice.Thesesoftwarecommonacteristicsarehavethehighlyeffectivenonlinearsolutionaswellasrichthepracticalnonlinearmaterial.Definitely.3Theenhancementvisiblepretagemodellingthepostpositione

18、ddataprocessingfunctionearlytimefiniteelementanalysissoftwareresearchkeyliesininfersnewhighefficiencysolutionmethodthehighaccuracyunit.Alongwiththenumericalanalysismethodgraduallyconsummationthecomputeroperatingspeedrapi