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1、焊缝凝固过程的温度场分析初始条件：焊接件的初始温度为 25度，焊缝温度为3000;对流边界条件：表面传热系数为5e-4，比热容0.2，材料密度0.28，空气温度为25度; 求2000s后整个焊接件的温度分布1、选择网格单元类型PreprocessorElement TypeAdd/Edit/DeleteAddThermal MassSolidBrick 8 nodeAfl ME DEF DE1I70-PrferBiLceH3 ProprocosBorEl Rl .ti 忤 星 uMflhj i口 Switch El ihihi Typ cif Fk*T-r* Typri S JLrehi ve
2、 ladiEl Coup 1 ins $ 4H记 RM1 応on Ois L 口 ng凹 Phrsi crsi Filth 0prM |S Solution.1 Ceruei* a 1 Ptiis- Lp:3 Ti wutli Pnr;%| SfI Tool ) eulXI H Prub Dui gji Ji Riidi ati on Opt2 Seesi. 口 E dll tor3 Fi ni yh图1-1定义单元类型2、设置钢板及焊缝材料属性PreprocessorMaterial PropsMaterial ModelsMaterial Model Number 1Thermal a 设
3、置焊件材料密度、热传导系数、比热容，设置焊缝材料密度、热传导系数、比热 容及与温度相关的涵参数，如下图所示。b.设置左右两道焊缝的焓参数，焓参数随温度变化曲线如图2-5所示。图2-1钢板热导率设置图2-2设置钢板比热容Cflnvor? OhiinErT I Trite K kusd f rcSectinns lode!inChlcLn i MuMberinfl Archlvu li Coinpllng lultl -fie： EiditlinOdLitB riiTffico Fa th Opnri lutlofiPmI ml(i Hl Pm tslnXplort rb Dtra i 莊n .d
4、latian Os MB翻咖 KddUn- rd詡hatari al JlndE-lf kyailabl s-Tiiwunritiiirg Uni tsMflterhl Edit -F-Jhorltw H-dpAatsria iDdals Dsf i rurdst siri al 口ds】 ?nTTf arg NwPiiDocitv for lUterhl Nhutisr Lremeratiires DENS丁叭日如屮 DM日讯 Taiciaraiur#图2-3设置钢板密度 K Entlulpv lor M afterU Number：1AEndilpy torMuaLiet 102斶7502
5、E75阿07 33-22L2S. 11&3.8174.2T1T274TarperaturagEbPAGrapheirpeTairuriF | 3&lete 7ejrfKratur f |图2-4焊缝焓参数设置4DD-2032Q0D壽 g0TEMP图2-5左右焊缝焓参数3、建立几何模型PreprocessorModeli ngCreateVolumesBlockBy Dime nsions建立焊件几何模型。PreprocessorModelingCreateVolumesCylinderBy Dimensions 建立焊缝几何 模型。建模过程如图3-1所示。BLOCK Create Block
6、by DimensionsX1,X2 X-cooird ritsies12 Y-coa rd inatesZ1.Z2 Z co ordinates-0.20.200.4八- r： - ir-pp-irnGHLOL K Create Bl edit by Oiine nfiian X1 J(2 X-coordin arte?lp2 Y cbordinatesLlrl2 Z-CDordinsafet012OnwlHlpBLOClC Create Slock by DinnensiarsXI ,X2 X-coord natesV11 .V2 Y亡oordinateZ1 22 Z-co ordinat
7、esCYLINDJ Crflotc Cylinder by Dinxn/cT岂 HADI Outer r-adl uiRAD2 Optii 口n al inninr radiuxZ1rZ2 ZCCiH3rclin3tci4THETSla rli ng * 门日 I巴(d rcT?sJTHETA2 Erhdiihy 上(dr)OK |ApplyCancelHelpCancelHelp图3-1几何模型建模过程1Conre I图3-2几何模型建模过程2通过Reflect建立完整的几何模型，之后运用布尔运算中glue使整个模型成为一个整体，如图3-3所示。焊接模型几何参数：横板：竖板：焊缝：rcuMj
8、AIUSYS图3-3焊件几何模型设置焊件及左右焊缝网格属性PreprocessorMesh in gMesh AttributesPicked选择焊件或是焊缝，分别对其进ANsYs?-型冋|lt3AJ11_5JBJ*J0JBJaJQ 旦*1al*J*J*JiJJ 血血到Tirs Htli行设置。A1 f.31e SriKl Lift 1qI PtJlifiLrlB laitPlyw Ffltoetfu: h-u Veyufttl? lpOJ * *割拥古+ E3範乜a.AJC1Ss*wji rar? i n| jirr| kakrAJE詐 Eiln fni-ntiMJi epF*C&SMtF
9、llvMin L Tiftm呼UHEH 左亍孑H PEf: SdCCldM tuiJnl j !f dak.Lnf；3 Ink A lLr ihiLira H bnfMil i Attp |lka a aii euu 尸 Picked KPa S J.11 Li 尸 PJchril LhiM All IkramjiPlhfid ,i挣*爭Sn TKTsnKny 田Kridk Orl*SHvRfhlOl3 Sixw Cei-Le lii0*1- d曰 ClJUMildiiUllt a T-H2Ji J 二| VATT Pidfc pf Rn*r *-l mM e nr iittr- hit*图3
10、-4焊件和焊缝的属性划分4、划分网格4.1设置网格单元密度PreprocessorMeshi ngSize Cn trlsMa nual SizeGlobalSize设置网格单元密度为0.05。/V Jl ba El- 1-rrt(ESlZEl GloZlEbx jnd d 鬲 Zoh Wppli恭 onlytolimfjSIZE Elemenit edge length0.05a MDIV Ma, of dement dividqns -Q-(u?d only#dyvLoad Step OptsOtherBirth&DeathKill Elements图5-1杀死左焊缝5.2设置温度偏移量S
11、olution Analysis TypeAnalysis Options，在体内弹出的对话框 Toffst 中输入460,如图5-2所示A. a: ; 口 Lt:dji Im:Adacrtive dealr 9*-upPVvgriwn chcjwnOH if fMtFfSSJiryNs二IIQLV) EquaiimPtcgrMTi CloserJT创匕列LlpI -1-valid for al enecept 年be? Stver3Mkjhiollb -0-理 1讨奇igr Pnhcgnrtiwn 匸&Motiix -files -Sg前用 upDf FINISHT-冒1罩 已nl* far
12、 EptwcaM5VEF Mefforjf SM-一 Offp= valid anlf liar Prwcofidrtior 氐PGOF| Levri pf 商州qHy -PFOQfWn Chp#C-峙1讨 onJf far PinecQtfidflicM! CG(DC8PT1 Adgdl g -PrTiirj Chpg*4*1 CihoEafiH-valid a叭 far Prwflrdrtiar 匚目FVOiECK Pwots Check7 Chi-valid onlj for Sps snd PCG Xv?曙pofsn TpEpGgA# 克憚“wcw*#b*dijtensel jet w
13、e就別 eh CjihceI 1Hdp1.1 Z-i.JHIU a -! jUL1UAML-L - KUlu-U L k WL1 -UJQL.5Te；图5-2温度偏移量设置5.3稳态求解a.设置焊缝初始温度Solution Define LoadsApplyThermalTemperatureOn NodesA Appy TEV1P on NodesD Appy TEM)on INodesLab2to be ccnstrainedApply asIf Constant value themVALUE Load TEMP velueConstant V3lir=3OXtApplyCancelHe
14、lp |图5-3焊缝初始温度设置1图5-4焊缝初始温度设置2b.对两钢板施加初始温度Solution Define LoadsApplyThermalTemperature0n NodesAp pl-f. TE 1P = n NodeD Appl TFM P on Nodp;Lab2 DOFs to be constrainedApply a?f Constant value then:VALUE Load TEMP valueOK IApplConstant value.teruu P re ferencrs rrfprwieuGarrB Solution也山皿lLfeI日lypu BuFi
15、ikr a Scttinss9 Tlwrwl 日 Teapcrat-UTe Ob KcypLntB 护 On LincsH(3 iUnlforn Teiip B Ffeih KIjd trajh S臨则Pie 田 Conve tlon m Mnvit FIllbS Beat &tmi=FBl 日 RjiJiQlian卩Idd ftfffu* 1 mt9 Firld YdIubk ln.tr S InJ ti&L Cdndll n R T.CMWfl Load Step OptsTime/FrequenceTime-Time Step图5-7求解时间设置5.6运算结果SolutionSolveC
16、urre nt LSANjnL IQ 201b09sSSt34口AJL SULUTii：SEflEUB =1TZHE-1TKMF(AVCBY3=0FwerGraphicsEFACET-lWT 匸 2 5SKX =3000XV . 5YV =.433013EV =,7S 首上:営亍=丄004 YW 叫丁 *3F=临A-SS?=l,1021Z-BUFftH101Defi ne LoadsDeleteThermalTemperature On NodesTEMPOK3 Heat Flovrm尸小亠亠二iApply Delete l+l A_L_L Load Data ThermalEi Temp e
17、rature 沪 On Keypoints 戶 Oh Linus 0 On Areas施加对流换热载荷Soluti on Defi ne LoadsDeleteThermalTemperature On Nodes图5-10施加对流换热载荷瞬态求解设置Solution Load Step OptsTime/FrequenceTime-Time StepIliM罠I屹1StcpfHHi cr i n iipcd b.c.Xil/nQr% ftesrpFF piir耐* -1fjp pigi广DU广DFFft Hog ChoanrQEL W M-siniuT tinr 饰p vnOhitfdnvT
18、i- feme twp viz?ll prnmniiwes?7 T15HE5 Tin*e jftrp ner.-rl 口日srd 厂 qpscHk -i poirti Timf pcrTfS 4tO*i Kd g k进C hiMr-i1性Ncf?- TWLS EhTTHBrad h *Bid hr tTTial IpmeiTH ibinfl-ijjlrtnE曲吏忖尹ML#1比. 也 呻址曹*4-吏皿fri#幵：*.亠.寸 订IJ 口 11$爵r 巧1 comb*vwn 打r心 H-r -图5-11施加对流换热载荷求解Solutio n SolveCurre nt LS5.8右焊缝凝固过程分析S
19、olution Load Step OptsTime/FrequenceTime-Time StepA imt ind Time SleapscrTime sd5p OpflkwI |J1 IftAJ Tmw wfc ird t4 Icwdl rtvs-nm|IDELTIM Tinw ifcvp LjKBClClapd or rwipad b-.E_i 耘 mpadJUTOrsicitv 丹邙 Mgi - ON广OFFr 工eg； Chcww3DELTIM Mimum ima xlwp iisacMaiMwYi bffW HMp-LlZfiggprZiri sieJTSfil tE. rldp
20、 MMr! favrad inpvHliTiw*kflrn-1宿Few广氐心9 广 FMHw 豐R4yHe- T5RE5 c-omMhdi s fld k-r lhenl ek*wK, eZe*卜*drk brnrnlHj iharmri uro 4vct lvnwrfcii .nd: A.LJCD11fii. flr OCHrbinlhA ihewEKCancel图5-12右焊缝凝固过程时间步设置运行结果Solutio n SolveCurre nt LSANJTJL 10 Z31Load Step OptsOtherBirth& DeathKill Element ，然后进行节点设置、节点
21、温度设置、瞬态求解设置。6.2运行结果Solutio n SolveCurre nt LSANITO 1D 2716 !i: HrF3Ut pgLirri!TXP-lSCT -IriME-iae23MaE aw -3 311B 03HKH 泅4和 -.5T9 斗|330】$ T* =_?!*PT#T*1, a*iEr*ST *Hfl-zs=-i 6. 1D1a.mmR1341. E& 1171 4S 401443 i. &T=53ANJUL 10D425 :Jfct mwrxdBTEP-4 IQV U timz-zJDiTHWRSTS-fli 口0*4牛沁中 EFiKETl MMJf 匕Z14
22、； -=, 13 mh yo$PT-37s-t-r(ilW4A-3-t.1212 wmsMt 33Read ResultsBy pickA Tiiwe Histary V心“凶 we dllng Tesr.nh Fibs Mdp凶團曲iflEVari able ListHiw-TLir.533GlEUwjt jHoie15M1 15161 T CM!丄#丄 15321 15(01 亠丄15M1J5M1|Ri- niiJ t Tti-mTimaHi ri I qn inDhdal Ncidal Nodal Nadiil tbda.1 NsdaJl K记il NbdtlNbdalTemper it
23、ure Temperilure TetD；BritiiruT-m;息 r.Tur 鲁 TKeriftureTemc-eralijre Temj-eriture Temperitufe T 电哼FltLBTJl 1:71图7-1左焊缝节点选择AN图7-2左焊缝节点随时间的温度变化曲线7.2查看结果Gen eral PostprocPlot ResultsCo ntour PlotNodal Solutio nDOF Solutio nNodal Temperature 查看应变结果。JUL 10 0；23：肌POST2BTEMP_4TEb：_5JEHF C f FZ 匚 7SV =1 *DIST= 75 *XF =右-.5*2F=,5Z-SUFFER