基于Ansys的光学器件热变形仿真与分析

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2008)0520697204Ansys,,,,(,710065):,,,AnsysAnsys3,,,Matlab,40-107.624128.56317,:Ansys;;;:TN15:ASimulationandanalysisofthermaldeformationforopticalelementsbasedonAnsysCHENGGang,CHENFang2bin,YUANXiao2min,LIGuang2liang,JIANGTao(XianInstituteofAppliedOptics,Xian710065,China)Abstract:Sincethethermaldeformationofopticalelementsintheambienttemperatureaffectsthesystemperformancegreatly,thesimulationandanalysisforthethermaldistortionofopticalelementsarecarriedoutwithFEAtosupportthedesignofopticalelements.Asimulationandanalysismethodforthethermaldeformationisputforward.Itwasimplementedinfollowingsteps:problemanalysis,thermaldeformationsimulationbasedonAnsysanddataanalysis.Eachstepwasdiscribed.Takingthekeyelementsofanopticalsystemastheresearchobjects,thethermaldeformationsimulationwasperformedbythemethod,dataanalysiswasimplementedwithMatlabsoftware.Theparallelismofthetworeflectionmirrorsis7.62412at40ofambienttemperatureanditis8.56317at-10.Theresultsarebasicallyconsistentwiththetestedones,andthevalidityofthemethodisverified.Keywords:Ansys;thermaldeformation;simulationandanalysis;opticalelement,,,,,,:2007212212;:2008201210:(1977-),,,,E2mail:[e-mail]29520089JournalofAppliedOpticsVol.29No.5Sep.2008©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1][C]{T}+[K]{T}={Q}(1):[C],;[T];[K],;{T};{Q},Ansys:41)Ansys,AnsysGUI();2)4Ansys40,14;Ansys();AnsysAnsys(UgProöESolidWorks);,,Ansys[K][C][R];3)Ansys(),;4)Ansys(1),,,,Ansys(3.rth)1.2.2Ansys[122][R]{U}={T}(2)8962008,29(5),:Ansys©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.{E}=[B]{U}(3){R}=[D]{E}(4):[R],;{U};{E}{R};[B],;[D],Ansys,:1);2);3)(3.rth)();;4)Ansys(1)(2)(3),,,Ansysö(3.dat)1.3Ansys,,Matlab2AnsysAnsys(),22.1,2ab-104010Ansys,Matlab,22.2Ansys2.2.1AnsysSolidBrick8node70[3](8)2,13K9,24J432,1Ansys12ProeöE(.iges),Ansys[4],1,2,,1,2,,ab13021327,1220312411,2,(Slove),thdeformrst.rth2Fig.2Geometrymodel,beampathdiagramandfinite-elementmodelofreflectingmirrorcombination1Table1Modelparametersofelementmaterialögmm-3öMpö(10-6ö)ö(Wöm)1:K92.5E-31.3E100.257.20.2E-32:4J323.2E-32E100.307.00.18E-32.2.2Ansys(swichelementtype:thermaltostruc),,(thdefor2mrst.rth)((thermalanaly),,9962008,29(5),:Ansys©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[5],2,Ansys2,:ab,ab,2,Matlab,40ab7.62412,10,40,ab9.2,,17%,(),-1028.56317,9.8,3Ansys:Ansys,,():[1].Ansys[M].:,2003.GONGShu2guang.Ansysengineeringapplicationexamplesanlysis[M].Beijing:MechanicalIndustrialPress,2003.(inChinese)[2],,.[M].:,2004.LIWei2te,HUANGBao2hai,BIZhong2bo.Thermalstresstheoryanalysisandapplication[M].Beijing:ChinesePowerPress,2004.(inChinese)[3]AnsysInc.ANSYS8.0Documentation[M].USA:AnsysInc.,2003.[4],.ProöEAnsys[J]..2004,12(7):93294.MAXiao2ming,ZHANGBing2wei.ResearchonthequestionswhileimportingmodelforProöEmodelAnsysAnalysis[J].MechanicalResearchandApplication,2004.12(7):93294.(inChinese)[5],.MATLAB6[M].:,2002.YINZe2ming,DINGChun2li.ProficientinMATLAB6[M].Beijing:TsinghuaUniversityPress,2002.(inChinese)0072008,29(5),:Ansys