ansys經(jīng)典案例匯總

問(wèn)題詳細(xì)說(shuō)明：材料性質(zhì)：EX=2.8e3(楊氏模量)NUXY=0.3（泊松比）MU=0.2(摩擦系數(shù))問(wèn)題描述圖：求解步驟：步驟一：建立計(jì)算所需要的模型。在這一步中，建立計(jì)算分析所需要的模型，包括定義單元類(lèi)型，劃分網(wǎng)格，給定邊界條件。并將數(shù)據(jù)庫(kù)文件保存為“exercise3.db”。在此，對(duì)這一步的過(guò)程不作詳細(xì)敘述。步驟二：恢復(fù)數(shù)據(jù)庫(kù)文件“exercise3.db”選擇菜單路徑UtilityMenu>File>Resumefrom步驟三：定義接觸單元的材料特性。1、選擇菜單路徑MainMenu>Preprocessor>MatersalProps>-Constant-Isotropic.IsotropicMatersalProperties(各向同性材料性質(zhì)）對(duì)話(huà)框出現(xiàn)。2、指定材料號(hào)為3，單擊OK。另一個(gè)IsotropicMaterialProperties對(duì)話(huà)框出現(xiàn)。3、對(duì)摩擦系數(shù)（MU）鍵入0.2。4、單擊OK。步驟四：定義接觸單元的實(shí)常數(shù)。1、選擇菜單路徑MainMenu>Preprocessor>RealConstants。實(shí)常數(shù)對(duì)話(huà)框出現(xiàn)。.2、單擊“Add”，下一級(jí)對(duì)話(huà)框出現(xiàn)。3、移動(dòng)滾動(dòng)條，使之指向“CONTAC48”，然后單擊“OK”。出現(xiàn)下一級(jí)對(duì)話(huà)框。4、在實(shí)常數(shù)號(hào)的輸入框中鍵入3，在法向剛度的輸入框中鍵入6e3，然后單擊“Apply”。5、在實(shí)常數(shù)號(hào)的輸入框中鍵入4，在法向剛度的輸入框中鍵入6e3。6、單擊OK。步驟五：為了建立接觸單元?jiǎng)?chuàng)建四個(gè)結(jié)點(diǎn)組元。1、將線(xiàn)號(hào)為9和17的線(xiàn)上的結(jié)點(diǎn)定義成組元“snapins”2、將線(xiàn)號(hào)為3的線(xiàn)上的結(jié)點(diǎn)定義成組元“snapprg”3、將線(xiàn)號(hào)為8的線(xiàn)上的結(jié)點(diǎn)定義成組元“pullins”4、將線(xiàn)號(hào)為2的線(xiàn)上的結(jié)點(diǎn)定義成組元“pullprg”步驟五：建立接觸單元。置適當(dāng)?shù)膯卧?lèi)型，材料號(hào)和實(shí)常數(shù)號(hào)。插入時(shí)接觸的兩個(gè)面之間生成對(duì)稱(chēng)接觸單元。為了在拉出時(shí)接觸的兩個(gè)面之間生成接觸單元，將實(shí)常數(shù)號(hào)變?yōu)?。在拉出時(shí)接觸的兩個(gè)面之間生成對(duì)稱(chēng)接觸單元。步驟六：進(jìn)入求解器選擇菜單路徑MainMenu>Solution。步驟七：打開(kāi)預(yù)測(cè)器，設(shè)置輸出控制。1、選擇菜單路徑Mainmenu>solution-LoadSetOpts-Nonlinear>Predictor。2、將predictor的狀態(tài)設(shè)置為“ON”。3、選擇菜單路徑MainMenu>Solution>-LoadStepOptions-OutputCtrls>DB/ResultsFile.CoutrolsforDatabaseandResultsFileWriting(對(duì)數(shù)據(jù)庫(kù)和結(jié)果文件寫(xiě)入的控制）對(duì)話(huà)框出現(xiàn)。4、單擊“Everysubstep”且選中它。步驟八：設(shè)置載荷步選項(xiàng)。1、選擇菜單路徑MainMenu>Solution>-LoadStepOptions-Time/Frequenc>time&Substep。Time&SubstepOption(時(shí)間和時(shí)間步選項(xiàng)）對(duì)話(huà)框出現(xiàn)。2、對(duì)Numberofsubsteps(子步數(shù)）鍵入10。3、單擊automatictimesteppingoption（自動(dòng)時(shí)間步長(zhǎng)選項(xiàng)）使之為ON，然后單擊OK。將最大的子步數(shù)設(shè)置為100，將最小的子步數(shù)設(shè)置為5。步驟九：加載。給Y=60的所有結(jié)點(diǎn)施加一UY=-30的位移。步驟十：求解。1、選擇菜單路徑MainMenu>Solution>-Solve-CurrentLS。2、檢閱狀態(tài)窗口中的信息然后單擊close。3、單擊SolveCurrentLoadStep(求解當(dāng)前載荷步）對(duì)話(huà)框中的OK開(kāi)始求解。步驟十一：對(duì)第二個(gè)載荷步加載。給Y=60的所有結(jié)點(diǎn)施加一UY=-27的位移。即以第一個(gè)載荷步的計(jì)算結(jié)果為基礎(chǔ)，將卡頭上拉3個(gè)單位。2、激活線(xiàn)性搜索。步驟十二：求解第二個(gè)載荷步。1、選擇菜單路徑MainMenu>Solution>-Solve-CurrentLS。2、檢閱狀態(tài)窗口中的信息然后單擊close。3、單擊SolveCurrentLoadStep(求解當(dāng)前載荷步）對(duì)話(huà)框中的OK開(kāi)始求解。5、在“LSNUM”的輸入框中鍵入4步驟十四：進(jìn)行后處理。在這一步中，可以進(jìn)行所想要的后處理，在此不進(jìn)行詳述。實(shí)例1：某一潛水艇可以簡(jiǎn)化為一圓筒，它由三層組成，最外面一層為不銹鋼，中間為玻纖隔熱層，最里面為鋁層，筒內(nèi)為空氣，筒外為海水，求內(nèi)外壁面溫度及溫度分布。幾何參數(shù)：筒外徑30feet總壁厚2inch不銹鋼層壁厚 0.75 inch玻纖層壁厚1inch鋁層壁厚 0.25 inch筒長(zhǎng) 200 feet導(dǎo)熱系數(shù)不銹鋼8.27 BTU/hr.ft.oF玻纖 0.028BTU/hr.ft.oF鋁 117.4BTU/hr.ft.oF邊界條件空氣溫度70 oF海水溫度 44.5 oF空氣對(duì)流系數(shù) 2.5 BTU/hr.ft2.oF海水對(duì)流系數(shù) 80 BTU/hr.ft2.oF沿垂直于圓筒軸線(xiàn)作橫截面，得到一圓環(huán)，取其中1度進(jìn)行分析,如圖示。菜單操作:UtilityMenu>File>changejobename,輸入Steady1；UtilityMenu>File>changetitle,輸入Steady-statethermalanalysisofsubmarine；在命令行輸入:/units,BFT；MainMenu:Preprocessor；MainMenu:Preprocessor>ElementType>Add/Edit/Delete,選擇PLANE55；MainMenu:Preprocessor>MaterialProp>-Constant-Isotropic,默認(rèn)材料編號(hào)為1,在KXX框中輸入8.27,選擇APPLY,輸入材料編號(hào)為2,在KXX框中輸入0.028,選擇APPLY,輸入材料編號(hào)為3,在KXX框中輸入117.4；MainMenu:Preprocessor>-Modeling->Create>-Areas-Circle>ByDimensions,在RAD1中輸入15,在RAD2中輸入15-(.75/12),在THERA1中輸入-0.5,在THERA2中輸入0.5,選擇APPLY,在RAD1中輸入15-(.75/12),在RAD2中輸入15-(1.75/12),選擇APPLY,在RAD1中輸入15-(1.75/12),在RAD2中輸入15-2/12,選擇OK；MainMenu:Preprocessor>-Modeling->Operate>-Booleane->Glue>Area,選擇PICKALL；MainMenu:Preprocessor>-Meshing-SizeContrls>-Lines-PickedLines,選擇不銹鋼層短邊,在NDIV框中輸入4,選擇APPLY,選擇玻璃纖維層的短邊,在NDIV框中輸入5,選擇APPLY,選擇鋁層的短邊,在NDIV框中輸入2,選擇APPLY,選擇四個(gè)長(zhǎng)邊,在NDIV中輸入16；MainMenu:Preprocessor>-Attributes-Define>PickedArea,選擇不銹鋼層,在MAT框中輸入1,選擇APPLY,選擇玻璃纖維層,在MAT框中輸入2,選擇APPLY,選擇鋁層,在MAT框中輸入3,選擇OK；MainMenu:Preprocessor>-Meshing-Mesh>-Areas-Mapped>3or4sided,選擇PICKALL；MainMenu:Solution>-Loads-Apply>-Thermal-Convection>Onlines,選擇不銹鋼外壁,在VALI框中輸入80,在VAL2I框中輸入44.5,選擇APPLY,選擇鋁層內(nèi)壁,在VALI框中輸入2.5,在VAL2I框中輸入70,選擇OK；MainMenu:Solution>-Solve-CurrentLS；MainMenu:GeneralPostproc>PlotResults>-ContourPlot-NodalSolu,選擇Temperature。實(shí)例2一圓筒形的罐有一接管,罐外徑為3英尺，壁厚為0.2英尺，接管外徑為0.5英尺，壁厚為0.1英尺，罐與接管的軸線(xiàn)垂直且接管遠(yuǎn)離罐的端部。如圖所示：罐內(nèi)流體溫度為華氏450度,與罐壁的對(duì)流換熱系數(shù)年為250BUT/hr-ft2-oF,接管內(nèi)流體的溫度為華氏100度,與管壁的對(duì)流換熱系數(shù)隨管壁溫度而變。接管與罐為同一種材料，它的熱物理性能如下表所示：溫度70200300400500oF密度0.2850.2850.2850.2850.285lbm/in3導(dǎo)熱系數(shù)8.358.909.359.810.23Btu/hr-fft-oF比熱0.1130.1170.1190.1220.125Btu/lbm--oF對(duì)流系數(shù)*426405352275221Btu/hr-fft2-oF*接管內(nèi)壁對(duì)流系數(shù)求罐與接管的溫度分布。菜單操作設(shè)定標(biāo)題:UtilityMenu>File>ChangeTitle,輸入Steady-Stateanalysisofpipejunction,選擇OK;設(shè)定單位制:在命令提示行輸入/UNITS,BIN;定義單元類(lèi)型:MainMenu>Preprocesor>ElementType>Add/Edit/Delete,選擇ThermalSolid,Bricck20node90號(hào)單元;定義材料屬性MainMenu>Preprocessor>MaterialProps>-Constant->Isotropic,默認(rèn)材料編號(hào)1,在DENSITY框中輸入0.285;MainMenu>Preprocessor>MaterialProps>-TempDependent->TempTable,輸入溫度70,200,300,400,500;MainMenu>Preprocessor>MaterialProps>-TempDependent->PropTable,選擇導(dǎo)熱系數(shù)KXX,材料編號(hào)為1,輸入與溫度表對(duì)應(yīng)的導(dǎo)熱系數(shù)8.35/12,8.9/12,9.35/12,9.8/12,10.23/12,選擇APPLY;選擇比熱C,材料編號(hào)為1,輸入0.113,0.117,0.119,0.122,0.125,選擇APPLY;選擇對(duì)流系數(shù)HF,材料編號(hào)為2,輸入426/144,405/144,352/144,275/144,221/144，選擇OK。定義幾何模型參數(shù)：UtilityMenu>Parameters>ScalarParameters,輸入ri1=1.3,ro1=1.5,z1=2,ri2=0.4,ro2=0.5,z2=2;建立幾何模型MainMenu>Preprocessor>-Modeling->Create>-Volumes->Cylinder>ByDimensions,Outerradius框中輸入ro1,Optionalinnerradium框中輸入ri1,Zcoordinates框中輸入0和Z1,Endingangle框中輸入90;UtilityMenu>WorkPlane>OffsetWPbyIncrements,在XY,YZ,ZX框中輸入0,-90;MainMenu>Preprocessor>-Modeling->Create>-Volumes->Cylinder>ByDimensions;Outerradius框中輸入ro2,Optionalinnerradium框中輸入ri2,Zcoordinates框中輸入0和Z2,Startingangle框中輸入-90,Endingangle框中輸入0;UtilityMenu>WorkPlane>AlignWPwith>GlobalCartesian；進(jìn)行布爾操作:MainMenu>Preprocessor>-Modeling->Operate>-Booleans->Overlap>Volumes,選PickAll；觀察幾何模型UtilityMenu>PlotCtrls>Numbering,打開(kāi)volumes;UtilityMenu>PlotCtrls>ViewDirection,在Coordsofviewpoint框中輸入-3,-1,1；刪除多余實(shí)體MainMenu>Preprocessor>-Modeling->Delete>VolumeandBelow,在命令輸入行輸入3,4回車(chē)；創(chuàng)建組AREMOTEUtilityMenu>Select>Entities,選擇Area,Bylocation,ZCoordinates,在Min,Max框中輸入Z1,選擇APPLY,YCoordinates,在Min,Max框中輸入0,OK;UtilityMenu>Select>Comp/Assembly>CreateComponent,在Componentname框中輸入AREMOTE,在Componentsismadeof菜單中選擇AREA；組合面及線(xiàn)MainMenu>Preprocessor>-Meshing->Mesh>-Volumes->Mapped>-Concatenate->Area,選擇Pickall；MainMenu>Preprocessor>-Meshing->Mesh>-Volumes->Mapped>-Concatenate->Lines,在命令行中輸入12,7回車(chē),選擇APPLY,在命令行中輸入10,5回車(chē),OK；設(shè)定網(wǎng)格密度MainMenu>Preprocessor>-Meshing->SizeCntrls>PickedLines,選擇線(xiàn)6和20,OK,在No.ofelementdivisions框中輸入4,OK；MainMenu>Preprocessor>-Meshing->SizeCntrls>PickedLines,選擇線(xiàn)40,OK,在No.ofelementdivisions框中輸入6,OK；UtilityMenu>Select>Everything；MainMenu>Preprocessor>-Meshing->SizeCntrls>-Global->Size,在elementedgelength框中輸入0.4,OK；劃分網(wǎng)格:MainMenu>Preprocessor>-Meshing->Mesh>-Volumes->Mapped>4to6sides,選擇PickAll；定義求解類(lèi)型及選項(xiàng)MainMenu>Solution>-AnalysisType->NewAnalysis,選擇Steady-State；MainMenu>Solution>-AnalysisOptions,選擇Program-chosen；施加對(duì)流載荷UtilityMenu>WorkPlane>ChangeActiveCSto>GlobalCylindrical；UtilityMenu>Select>Entities,選擇Nodes,Bylocation,X,在Min,Max框中輸入ri1,OK；MainMenu>Solution>-Loads->Apply>-Thermal->Convection>OnNodes,選擇PickAll,輸入250/144及450,OK；在AREMOTE組上施加溫度約束UtilityMenu>Select>Comp/Assembly>SelectComp/Assembly,選aremote;UtilityMenu>Select>Entities,選擇Nodes,Attachedto,OntheAreaall,OK；MainMenu>Solution>-Loads->Apply>-Thermal->Temperature>OnNodes,選擇Pickall,輸入45,OK；施加與溫度有關(guān)的對(duì)流邊界條件UtilityMenu>WorkPlane>OffsetWPbyIncrements,在XY,YZ,ZXAngles框中輸入0,-90,OK;UtilityMenu>WorkPlane>LocalCoordinateSystems>CreateLocalCS>AtWPOrigin,在Typeofcoordinatesystem菜單中,選擇Cylindrical1,OK；UtilityMenu>SelectEntities,選擇Nodes,Bylocation,X,在Min,Max框中輸入ri2,OK；MainMenu>Solution>-Loads->Apply>-Thermal->Convection>OnNodes,選擇PickAll,在Filmcoefficient框中輸入-2,在Bulktemperature框中輸入100,OK;UtilityMenu>Select>Everything；UtilityMenu>PlotCtrls>Symbols,在Showpresandconvectas菜單中選擇Arrow,OK;UtilityMenu>Plot>Nodes；恢復(fù)工作平面及坐標(biāo)系統(tǒng)UtilityMenu>WorkPlane>ChangeActiveCSto>GlobalCartesian；UtilityMenu>WorkPlane>AlignWPwith>GlobalCartesian；設(shè)定載荷步選項(xiàng):MainMenu>Solution>-LoadStepOptions->Time/Frequenc>TimeandSubsteps,在Numberofsubsteps框中輸入50,設(shè)置Automatictimestepping為On；求解:MainMenu>Solution>-Solve->CurrentLS顯示溫度分布彩色云圖:MainMenu>GeneralPostproc>PlotResults>-ContourPlot->NodalSolu,選擇TemperatureTEMP。實(shí)例1:一個(gè)30公斤重、溫度為70℃的銅塊,以及一個(gè)20公斤重、溫度為80℃的鐵塊，突然放入溫度為20℃、盛滿(mǎn)了300升水的、完全絕熱的水箱中,如圖所示。過(guò)了一個(gè)小時(shí)，求銅塊與鐵塊的最高溫度(假設(shè)忽略水的流動(dòng))。材料熱物理性能如下:熱性能單位制銅鐵水導(dǎo)熱系數(shù)W/m℃38370.61密度Kg/m388897833996比熱J/kg℃3904484185菜單操作:UtilityMenu:File>ChangeJobname,輸入文件名Transient1；UtilityMenu:File>ChangeTitle,輸入ThermalTransientExercise1；MainMenu>Preprocessor，進(jìn)入前處理；MainMenu>Preprocessor>ElementType>Add/Edit/Delete,選擇單元plane77；MainMenu>Preprocessor>MaterialProps>Isotropic,定義材料1（銅）的KXX等于383、DENS等于8889、C等于1390；MainMenu>Preprocessor>MaterialProps>Isotropic,定義材料2（鐵）的KXX等于70、DENS等于7837、C等于448；MainMenu>Preprocessor>MaterialProps>Isotropic,定義材料3（水）的KXX等于0.61、DENS等于996、C等于4185；MainMenu>Preprocessor>-Modeling->Create>-Areas->Retangle>ByDimensions,輸入X1=0,Y1=0,X2=0.6,Y2=0.5,選擇Apply,輸入X1=0.15,Y1=0.225,X2=0.225,Y2=0.27,選擇Apply,輸入X1=0.6-0.2-0.058,Y1=0.225,X2=0.6-0.2,Y2=0.225+0.044,選擇OK；MainMenu>Preprocessor>-Modeling->Operate>Booleans>Overlap,選擇PickAll；UtilityMenu:Plotctrls>Numbering>Areas,on；UtilityMenu:Plot>Areas；MainMenu>Preprocessor>-Attributes->Define->AllAreas,選擇材料1；MainMenu>Preprocessor>Meshing->SizeCntrls->-Manualsize->-Global->Size,輸入單元大小0.02；MainMenu>Preprocessor>Meshing->Mesh->-Areas->Mapped>3or4sided,選擇銅塊；MainMenu>Preprocessor>-Attributes->Define->AllAreas,選擇材料2；MainMenu>Preprocessor>Meshing->Mesh->-Areas->Mapped>3or4sided,選擇鐵塊；MainMenu>Preprocessor>-Attributes->Define->AllAreas,選擇材料3；MainMenu>Preprocessor>Meshing->SizeCntrls->-Manualsize->-Global->Size,輸入單元大小0.05；MainMenu>Preprocessor>Meshing->Mesh->-Areas->Free,選擇水箱；UtilityMenu>Plot>Area；MainMenu>Solution，進(jìn)入加載求解；MainMenu>Solution>-AnalysisType->NewAnalysis,選擇Transient，定義為瞬態(tài)分析；MainMenu>Solution>-LoadStepOpts>Time/Frenquenc>TimeIntegration,TIMINT,off，首先進(jìn)行穩(wěn)態(tài)分析；MainMenu>Solution>-LoadStepOpts>Time/Frenquenc>Time-TimeStep，設(shè)定TIME為0.01、DELTIM也為0.01；UtilityMenu:Select>Element>mat,輸入3,選擇Apply,選擇Nodes>Attachedto,選擇Element；MainMenu>Solution>-Loads->Apply>-Thermal->Temperature>OnNodes,選擇PickAll,輸入20；UtilityMenu:Select>Element>mat,輸入2,選擇Apply,選擇Nodes>Attachedto,選擇Element；MainMenu>Solution>-Loads->Apply>-Thermal->Temperature>OnNodes,選擇PickAll,輸入80；UtilityMenu:Select>Element>mat,輸入1,選擇Apply,選擇Nodes>Attachedto,選擇Element；MainMenu>Solution>-Loads->Apply>-Thermal->Temperature>OnNodes,選擇PickAll,輸入70；UtilityMenu:SelectEverythingMainMenu>Solution>-Solve->CurrentLSMainMenu>Solution>-LoadStepOpts>Time/Frenquenc>Time-TimeStep，設(shè)定TIME=3600,DELTIM=26,最小、最大時(shí)間步長(zhǎng)分別為2,200,將Autots設(shè)置為ON；MainMenu>Solution>-LoadStepOpts>Time/Frenquenc>TimeIntegration,將TIMINT設(shè)置為ON；MainMenu>Solution>-Loads->Delete>-Thermal->Temperature>OnNodes,選擇PickAll，刪除穩(wěn)態(tài)分析定義的節(jié)點(diǎn)溫度；MainMenu>Solution>-LoadStepOpts>OutputCtrls->DB/Results,選擇EverySubsteps；MainMenu>Solution>-Solve->CurrentLS；MainMenu>TimeHistPostPro，進(jìn)入POST26；MainMenu>TimeHistPostPro>DefineVariables>Add>Solutionsummary，在Userspecifiedlabel框中輸入dtime，選擇SolutionItems>StepTime，選擇OK，Add>Nodalresult>，在Nodenumber框中輸入node(0.1875,0.2475,0),在Userspecifiedlabel框中輸入T_Copper，同樣輸入其它節(jié)點(diǎn)；MainMenu>TimeHistPostPro>GraphVirables,輸入變量代號(hào)，顯示各變量隨時(shí)間變化的曲線(xiàn)；MainMenu>GeneralPostproc，進(jìn)入POST1；MainMenu>GeneralPostproc>-ReadResults->LastsetUtilityMenu>Select>Element>mat，輸入1，選擇Apply，Nodes>Attachto，選擇Element,OK;MainMenu>GeneralPostproc>Plotresult>NodalSolution，選擇temperature;UtilityMenu>Select>Element>mat，輸入2，選擇Apply，Nodes>Attachto，選擇Element,OK;MainMennu>GenneralPostpproc>PPlotrresultt>NodaalSollutionn，選擇temmperatture;實(shí)例2:一鋼鑄件件及其砂模的的橫截面尺寸寸如圖所示::砂模的熱物理性能能如下表所示示:單位制導(dǎo)熱系數(shù)(KXXX)Btu/hr.iin.oF0.025密度(DENS))lbm/in30.254比熱(C)Btu/lbm..oF0.28鑄鋼的熱物理性能能如下表所示示:單位制0oF2643oF2750oF2875oF導(dǎo)熱系數(shù)Btu/hr.iin.oF1.441.541.221.22焓Btu/in30128.1163.8174.2初始條件:鑄鋼的的溫度為28875oF，砂模的溫溫度為80oF；砂模外邊邊界的對(duì)流邊邊界條件：對(duì)對(duì)流系數(shù)0..014Bttu/hr..in2.oF，空氣溫度度80oF；求3個(gè)小時(shí)后鑄鑄鋼及砂模的的溫度分布。菜單操作:UtilityMenu>>File>>ChanggeTittle,輸輸入CasttingSSolidiificattion;定義單元類(lèi)型:MMainMMenu>PPreproocessoor>EleementType>>Add/EEdit/DDeletee,Addd,Quaad4noode555；定義砂模熱性能::MainMenu>>Preprrocesssor>MaateriaalProops>Issotroppic,默默認(rèn)材料編號(hào)號(hào)1,在Densiity(DEENS)框中中輸入0.0054,在在Thermmalcoonducttivityy(KXXX)框中輸入入0.0255,在Speciifichheat(CC)框中輸入入0.28;;定義鑄鋼熱性能溫溫度表:MaainMeenu>Prreproccessorr>MateerialPropss>-TemmpDeppendennt->TeempTaable,輸入T1=00,T2=22643,T3=27750,TT4=28775;定義鑄鋼熱性能::MainMenu>>Preprrocesssor>MaateriaalProops>-TTempDDependdent-->ProppTablle,選擇擇ThCoonducttivityy,選擇KXX,,輸入材料料編號(hào)2,輸入C1=11.44,C2=1..54,CC3=1.222,C44=1.222,選擇Applly,選擇擇Enthaalpy,輸輸入C1=00,C2==128.11,C3==163.88,C4==174.22;創(chuàng)建關(guān)鍵點(diǎn):MaainMeenu>Prreproccessorr>-Moddelingg->Creeate>KKeypoiints>IInActtiveCCS,輸入關(guān)關(guān)鍵點(diǎn)編號(hào)11,輸入坐標(biāo)標(biāo)0,0,00,輸入關(guān)關(guān)鍵點(diǎn)編號(hào)22,輸入坐坐標(biāo)22,00,0,輸輸入關(guān)鍵點(diǎn)編編號(hào)3,輸入坐坐標(biāo)10,112,0,輸入關(guān)鍵點(diǎn)點(diǎn)編號(hào)4,輸入坐標(biāo)0,,12,0;;創(chuàng)建幾何模型:MMainMMenu>PPreproocessoor>-Moodelinng->Crreate>>-Areaas->Arrbitraary>ThhroughhKPs,,順序選取關(guān)關(guān)鍵點(diǎn)1,22,3,4;;MainMennu>Preeproceessor>>-Modeeling-->Creaate>-AAreas-->Recttanglee>ByDDimenssion,輸輸入X1=44,X2=222,Y1==4,Y2==8;進(jìn)行布爾操作:MMainMMenu>PPreproocessoor>-Moodelinng->Opperatee>-Boooleanss->Oveerlap>>Area,,Pickall；刪除多余面:MaainMeenu>Prreproccessorr>-Moddelingg->Dellete>AAreaaandBeelow,33保存數(shù)據(jù)庫(kù):在AAnsysToolbbar中選取取SAVE__DB;定義單元大小:MMainMMenu>PPreproocessoor>-Meeshingg->SizzeCnttrls>--Globaal->Siize,在在Elemeenteddgeleength框框中輸入1;;對(duì)砂模劃分網(wǎng)格::MainMenu>>Preprrocesssor>-MMeshinng->Meesh>-AAreas-->Freee,選擇砂模模;對(duì)鑄鋼劃分網(wǎng)格::MainMenu>>Preprrocesssor>-AAttribbutes-->Defiine>DeefaulttAttrribs,在Materrialnnumberr菜單中選擇擇2;MainMennu>Preeproceessor>>-Meshhing->>Mesh>>-Areaas->Frree,選擇擇鑄鋼;定義分析類(lèi)型:MMainMMenu>SSolutiion>-AAnalyssisTyype->NNewAnnalysiis,選擇擇Transsient;;選擇鑄鋼上的節(jié)點(diǎn)點(diǎn):UtillityMMenu>SSelectt>Entiities,,選擇elemment,mmat,輸入入2,選擇Applly,選擇nodee,atttacheddtoeelemennt,選擇OK;定義鑄鋼的初始溫溫度:MaiinMennu>Sollutionn>-Loaads->AApply>>InitiialCoondit’n>Deffine,選擇Pickkall,,選擇tempp,輸入28755,OK;;選擇砂模上的節(jié)點(diǎn)點(diǎn):UtillityMMenu>SSelectt>Entiities,,Nodess,invverse定義砂模的初始溫溫度:MaiinMennu>Sollutionn>-Loaads->AApply>>InitiialCoondit’n>Deffine,選擇Pickkall,,選擇tempp,輸入80,OK;UtilityMenu>>Selecct>Eveerythiing；UtilityMenu>>Plot>>Liness；定義對(duì)流邊界條件件:MainnMenuu>Soluution>>-Loadds->Appply>--Thermmal->CConverrctionn>OnLLines,,選擇砂模的的三個(gè)邊界11,3,4,,在filecoeffficentt框中輸入800,在Bulktempeeraturre框中輸入入,80;;設(shè)定瞬態(tài)分析時(shí)間間選項(xiàng):MainMennu>Sollutionn>LoaddSteppOptss>Timee/Freqquenc>>Time--TimeStep,,Timeatendoofloaadsteep 3TimeeSteppsizee 0.01Steppedorraampedb.c. StepppedAutoomaticctimeesteppping onMinimuntimeStepsize 0.0011Maxiimumttimesstepssize 0.25設(shè)置輸出:MaiinMennu>Sollutionn>LoaddSteppOptss>OutpputCttrls>DDB/RessultsFile,,在Filewriteefreqquencyy框中選擇Evveryssubsteep;求解:MainMenu>>Soluttion>--Solvee->CurrrentLS；進(jìn)入后處理:MMainMMenu>TTimehiistPoostprooc；定義鑄鋼中心節(jié)點(diǎn)點(diǎn)的溫度變量量:MainnMenuu>TimeehistPostpproc>DDefineeVariiabless,Addd,NoddalDOOFressult,22,204；；繪制節(jié)點(diǎn)溫度隨時(shí)時(shí)間變化曲線(xiàn)線(xiàn)：MainnMenuu>TimeehistPostpproc>GGraphVariaable,22。熱應(yīng)力分析有齒的軸對(duì)稱(chēng)管的的熱應(yīng)力分析析問(wèn)題描述:管受內(nèi)壓，頂頂上的線(xiàn)（在在Y=1.）代表表對(duì)稱(chēng)面，我我們將對(duì)線(xiàn)上上的所以節(jié)點(diǎn)點(diǎn)耦合UY自由度1. 進(jìn)入ANSSYS工作目目錄，取工作作文件名為“pipe--th-sttr”2. Resumme前面定義義的軸對(duì)稱(chēng)模模型:–UtilityMenu>Ressumeffrom…3. 設(shè)置菜單過(guò)過(guò)濾為Strructurral:–MainMenu>Preeferennces…?選則“Struccturall”并且不選擇擇“Thermmal”,單擊[OKK]4. 改變titlle:–UtiliityMeenu>File>ChaangeTTitle...?/TITLE=“2DAXXI-SYMMMTHEERMAL--STRESSSANAALYSISSW/IINT.PPRESS-ESIIZE=0..125”?[OK]5. 刪除實(shí)體模模型上的對(duì)流流載荷:–MainMenu>Preeproceessor>Loaads>-Loadds-Deelete>AlllLoaddDataa>AlllSollidModdLds…?[OK]6.將熱熱單元改變?yōu)闉橄鄳?yīng)的結(jié)構(gòu)構(gòu)單元:–MainMenu>Preeproceessor>EleementType>SwiitchEElemTType…?選擇“TherrmalttoStrruc”,單擊[OKK]?查看警告信信息并單擊[Closse]7. 設(shè)置單元形形態(tài)為軸對(duì)稱(chēng)稱(chēng)axisyymmetrric:–MainMenu>Preeproceessor>EleementType>>Add/EEdit/DDeletee…?[Optionss...]]–設(shè)置K3=Axiisymmeetric,,單擊[OKK]?[Close]88. 從熱分析中中施加溫度載載荷:–MainMenu>Preeproceessor>Loaads>-Loadds-Appply>>Tempperatuure>FromThermmAnally..?選擇結(jié)果文文件單擊[[OK]?查看警告信信息單擊[[Closee]9. 給Y＝0的線(xiàn)施加對(duì)對(duì)稱(chēng)邊界條件件–MainMennu>PPreproocessoor>LLoads>-Looads-Applyy>Diisplaccementt>SyymmetrryB.CC.-OnnLinees+?選擇線(xiàn)1和9,單擊擊[OK]]10. 耦合Y=1節(jié)點(diǎn)的的UY自由由度:10aa.選擇Y=1處的節(jié)節(jié)點(diǎn):–UtilityMenu>Sellect>>Entiities...?選擇“Nodes”及“ByLoocatioon”?選擇“Ycooordinnates”?設(shè)置Min,MMaxtoo1,單單擊[OKK]10b..對(duì)選擇的的節(jié)點(diǎn)集定義義UY自由度耦耦合:–MainMennu>PPreproocessoor>CCoupliing/Ceqn>CouupleDDOFs++?[PickkAll]]?NSET=1?設(shè)置Labb=UYY,單擊[OKK]–UtiliityMeenu>Selecct>EEverytthing111. 給線(xiàn)施加內(nèi)內(nèi)部常壓力::–MainMenu>Loaads>-Loadds-Appply>>Presssure>OnLiness+?選擇線(xiàn)4,,單擊[OKK]?VALUEE=10000,單單擊[OKK]12. 通過(guò)顯示體體載荷檢驗(yàn)溫溫度載荷:–UtiliityMeenu>PlotCCtrls>Symmbols?設(shè)置BodyyLoaddSymbbols==“Struccturalltempps”,單擊[OKK]–UtiliityMeenu>Plot>Eleementss13. 存儲(chǔ)數(shù)據(jù)庫(kù)庫(kù)并獲得結(jié)果果:–拾取“SAVE__DB”(或選擇擇:UtiilityMenu>Fille>SSaveaasJobbname..db)–MainMenu>Sollutionn>-SSolve--CurrrentLLS?查看“/STATTUS命令令”窗口并關(guān)閉閉?[OK]?[Closse]-求求解結(jié)束之后后關(guān)閉黃色的的提示窗口114. 進(jìn)入后處理理查看結(jié)果::–MainMenu>GenneralPostpproc>>14a.畫(huà)位移::–MainMenu>GenneralPosttproc>PlootRessults>-CoontourrPlott-NoddalSoolu....?拾取“DOFssolutiion”及“TransslatioonUSUUM”,選擇“Def++undeefedgge”,單擊[OKK]14d..沿Y軸旋轉(zhuǎn)90度并沿x-zz平面映射射軸對(duì)稱(chēng)應(yīng)力力結(jié)果:–UtiliityMeenu>PlotCCtrls>Styyle>SymmeetryEExpanssion>>2DAAxi-Syymmetrric....拾取“1/4eexpanssion”andsetrreflecctionto“yes”,單擊[OKK]–UtiliityMeenu>PlotCCtrls>Pann,Zooom,Rootate…?[ISO]15. 存盤(pán)并離離開(kāi)ANSYYS:ANSYS基礎(chǔ)培培訓(xùn)練習(xí)題第一日練習(xí)主題題：實(shí)體建模模EX1：軸承座的的實(shí)體建模、網(wǎng)網(wǎng)格劃分、加加載、求解及及后處理練習(xí)目的：創(chuàng)建實(shí)實(shí)體的方法，工工作平面的平平移及旋轉(zhuǎn)，布布爾運(yùn)算（相相減、粘接、搭搭接，模型體體素的合并，基基本網(wǎng)格劃分分?；炯虞d載、求解及后后處理。問(wèn)題題描述：具體體步驟：首先先進(jìn)入前處理理(/PREPP7)1.創(chuàng)建基座模模型生成長(zhǎng)方方體MainMennu：Preprrocesssor>Crreate>>Blockk>ByDDimenssions輸輸入x1=00,x2=33,y1=00,y2=11,z1=00,z2=33平移并旋轉(zhuǎn)工作平平面UtillityMMenu>WWorkPllane>OOffsettWPbbyInccremenntsX,YY,ZOfffsetss輸入2.255,1.255,.75點(diǎn)擊AppllyXY，YZ，ZXAnngles輸輸入0，－90點(diǎn)擊OK。創(chuàng)建圓圓柱體MaiinMennu：Preprrocesssor>Crreate>>Cylinnder>SoliddCyliinderRRadiuss輸入0.755/2,DDepth輸輸入－1.55,點(diǎn)擊OK?？截惿闪硪粋€(gè)圓圓柱體MainMennu：Preprrocesssor>Coopy>Voolume拾拾取圓柱體,點(diǎn)擊Applly,DZZ輸入1.5然后點(diǎn)點(diǎn)擊OK從長(zhǎng)方體體中減去兩個(gè)個(gè)圓柱體MaainMeenu：Preprrocesssor>Opperatee>SubttractVolummes首先拾拾取被減的長(zhǎng)長(zhǎng)方體，點(diǎn)擊擊Applyy,然后拾取取減去的兩個(gè)個(gè)圓柱體，點(diǎn)點(diǎn)擊OK。使工作作平面與總體體笛卡爾坐標(biāo)標(biāo)系一致UttilityyMenuu>WorkkPlanee>AliggnWPwith>>GlobbalCaartesiian2.創(chuàng)建支撐撐部分UtilityMenu::WorrkPlanne->DispllayWoorkinggPlanne(tooggleon)MaainMeenu:Preprrocesssor->>-Moddelingg-Creaate->>-Vollumes--Blockk->BBy2ccornerrs&ZZ在創(chuàng)建實(shí)體體塊的參數(shù)表表中輸入下列列數(shù)值:WPPX=0WPYY=1WWidth=1.55Heighht=11.75Deepth==0.755OKTooolbarr:SAAVE_DBB3.偏移工作平面面到軸瓦支架架的前表面UtilityMenu::WorkkPlanee->OOffsettWPtto->Keypooints+1. 在剛剛創(chuàng)建建的實(shí)體塊的的左上角拾取取關(guān)鍵點(diǎn)OKTToolbaar:SSAVE_DDB4．創(chuàng)建軸瓦支架的上上部MainMennu:Prreproccessorr->MModeliing-Crreate->Voolumess-Cyliinder->PaartiallCyliinder+1). 在創(chuàng)建圓柱的參數(shù)數(shù)表中輸入下下列參數(shù): WPX=00WPY=0Raad-1==0Theeta-1=0Raad-2==1.5TTheta--2=990Deptth=--0.752). OKToolbar::SAVVE_DB5.在軸承孔孔的位置創(chuàng)建建圓柱體為布布爾操作生成成軸孔做準(zhǔn)備備MainMennu:Prreproccessorr->MModeliing-Crreate->Voolume--Cylinnder-->SollidCyylindeer+1.)輸入下列參參數(shù):WPX=00WPY=0Raadius=1Deepth==-0.118752.))拾取Appply3.)輸入下列參參數(shù):WPX=00WPPY=0RRadiuss=0..85Depthh=-22拾取OK6．從軸瓦支架“減”去圓柱體形形成軸孔.MainMennu:Prreproccessorr->MModeliing-Opperatee->SSubtraact->>Voluumes+1. 拾取構(gòu)成軸軸瓦支架的兩兩個(gè)體，作為為布爾“減”操作的母體體。單擊Appply2. 拾取大圓柱作為“減”去的對(duì)象。單單擊Applly3. 拾取步1中的兩個(gè)體體，單擊Applly4. 拾取小圓柱體，單單擊OKTooolbarr:SAAVE_DBB合并重合的的關(guān)鍵點(diǎn)：––MainMenu>Preeproceessor>NummberinngCtrrls>MergeeItemms?將Labell設(shè)置為“Keypooints”,單擊[OKK]7.創(chuàng)建一個(gè)關(guān)鍵鍵點(diǎn)在底座的的上部前面邊邊緣線(xiàn)的中點(diǎn)點(diǎn)建立一個(gè)關(guān)關(guān)鍵點(diǎn):–MainMenu>Preeproceessor>-Moodelinng-Crreate>Keyypointts>KKPbettweenKPs++?拾取如圖的的兩個(gè)關(guān)鍵點(diǎn)點(diǎn),單擊[OK]?RATI=0.55,單擊[OK]]創(chuàng)建一個(gè)三角面并并形成三棱柱柱–MainMennu>PPreproocessoor>--Modelling-Creatte>--Areass-Arbbitrarry>TThrougghKPss+1. 拾取軸承孔孔座與整個(gè)基基座的交點(diǎn)。2. 拾取軸承孔上下兩個(gè)體的交點(diǎn)3. 拾取基座上上上步建立的的關(guān)鍵點(diǎn)，單單擊OK完成了三角角形側(cè)面的建建模。4．沿面的法向向拖拉三角面面形成一個(gè)三三棱柱。–MainMenu>Preeproceessor>-Moodelinng-Opperatee>Exxtrudee>-AAreas--AlonngNorrmal++?拾取三角面,單單擊[OKK]5. 輸入DISTT=-00.15，厚厚度的方向是是向軸承孔中中心,單擊[OKK]Toolbar::SAVVE_DB關(guān)閉workiingpllaneddisplaay.UtiilityMenu::WorkkPlanee->DDisplaayWorrkingPlanee(togggleooff)10．沿坐標(biāo)平面鏡射生生成整個(gè)模型型.MainMennu:Prreproccessorr->MModeliing-Reeflectt->VVolumees+1.拾取All2.. 拾取“Y-Zpplane，單單擊OKToollbar:SAVEE_DB粘接所有體.MainMennu:Prreproccessorr->MModeliing-Opperatee->BBooleaans-Gllue->>Voluumes+拾取AllToollbar:SAVEE_DB恭喜!你已經(jīng)經(jīng)到達(dá)第一塊塊里程碑--幾何何建模.下一步是網(wǎng)網(wǎng)格劃分.定義單元類(lèi)型1為為10-節(jié)點(diǎn)四四面體實(shí)體結(jié)結(jié)構(gòu)單元((SOLIDD92)MainMennu:Prreproccessorr->EElemenntTyppe->Add/EEdit/DDeletee...11. Add2. 選擇Strructurral-Soolid,并下拉菜單單選擇“Tet110Nodee922”單擊OK3. Closee定義材料特性.MainMennu:Prreproccessorr->MMateriialPrrops-->Connstantt-Isottropicc...1. OK((將材料號(hào)設(shè)設(shè)定為1))2. 在“Young’sModdulusEX”下輸入：300e6單擊OK。Toolbar::SAVVE_DB用網(wǎng)格劃分器MeeshToool將幾何模模型劃分單元元.MainMennu:Prreproccessorr->MMeshToool....1．將智能網(wǎng)格劃分分器（SmmartSSizingg）設(shè)定為為“on”2. 將滑動(dòng)碼設(shè)設(shè)置為“8”(可選:如果你的的機(jī)器速度很很快，可將其其設(shè)置為“7”或更小值來(lái)來(lái)獲得更密的的網(wǎng)格)3. 確認(rèn)MesshTooll的各項(xiàng)為:Volummes,TTet,FFree4. MESH5. PickAll說(shuō)明明:如果在網(wǎng)網(wǎng)格劃分過(guò)程程中出現(xiàn)任何何信息，拾取取“OK”或“Close”。劃分網(wǎng)格格時(shí)網(wǎng)格密度度可由滑動(dòng)碼碼控制，滑動(dòng)動(dòng)碼的調(diào)節(jié)范范圍從0-110，當(dāng)數(shù)值值較大時(shí)網(wǎng)格格稀疏，反之之，網(wǎng)格加密密。6. 關(guān)閉MeeshTooolTooolbar::SAVVE_D恭喜!你已經(jīng)經(jīng)到達(dá)第二塊塊里程碑---網(wǎng)格劃劃分.下一步步是加載.15.約束四個(gè)安裝裝孔MainMennu:Soolutioon->Loadss-Applly->Struccturall-Dispplacemment-->SymmmetryB.C.--OnArreas++1. 繪出Arreas(UtillityMMenu:Plott->Arreas)2. 拾取四個(gè)安安裝孔的8個(gè)柱面（每個(gè)個(gè)圓柱面包括括兩個(gè)面）說(shuō)明：在拾取時(shí)，按按住鼠標(biāo)的左左鍵便有實(shí)體體增亮顯示，拖拖動(dòng)鼠標(biāo)時(shí)顯顯示的實(shí)體隨隨之改變，此此時(shí)松開(kāi)左鍵鍵即選中此實(shí)實(shí)體。單擊OK。整個(gè)基座的底部施施加位移約束束(UY=0))MainMennu:Soolutioon->Loadss-Applly->Struccturall-Dispplacemment-->onLiness+1. 拾取基座底底面的所有外外邊界線(xiàn)，ppickinngmennu中的“count”應(yīng)等于6，單擊OK。選擇UY作為為約束自由度度，單擊OKK17.在軸承孔圓周周上施加推力力載荷MainMennu:Soolutioon->Loadss-Applly->Struccturall-Presssure->OnnAreaas+1. 拾取軸承孔孔上寬度為.15”的所有面2.. OK3. 輸入面上的的壓力值“1000”，單擊 ApplyyUtilityyMenuu:PlootCtrlls->Symbools…5．用箭頭顯示壓力值值，(“Showpresandcconvecctas”)，單擊OK18.在軸承孔的的下半部分施施加徑向壓力力載荷，這個(gè)個(gè)載荷是由于于受重載的軸軸承受到支撐撐作用而產(chǎn)生生的。Whilesttilliin->>Loadds>Applyy->SStructtural--Presssure-->OnAreass+1.拾取寬度為..1875”的下面兩個(gè)個(gè)圓柱面2.. OK3. 輸入壓力值值5000044. OKTooolbarr:SAAVE_DBB恭喜!你已經(jīng)經(jīng)到達(dá)第三塊塊里程碑---加載，下一一步是求解。19.求解..MainMennu:Soolutioon->Solvee-CurrrentLLS1. 瀏覽sttatuswindoow中出現(xiàn)現(xiàn)的信息,然后關(guān)閉此此窗口。2. OK(開(kāi)始始求解).關(guān)閉由于于單元形狀檢檢查而出現(xiàn)的的警告信息。3. 求解結(jié)束后，關(guān)閉信息窗口。恭喜!你已經(jīng)到達(dá)第四塊里程碑--求解.下一步是觀看結(jié)果.20.繪等效應(yīng)力力(vonnMisees)圖.MainMennu:GeenerallPosttproc->PllotReesultss->CContouurPloot-NoddalSoolu1.選選擇strress2. 選擇vonnMisees3. OK21.應(yīng)力動(dòng)畫(huà)UtilityMenu::PlottCtrlss->AAnimatte->DeforrmedRResultts....1.選擇sttress2. 選擇vonnMisees3.. OK播放變形動(dòng)動(dòng)畫(huà),拾取MediiaPlayyer的“>”鍵。22.Exit..Toolbar::QUITT1. SaveEveryythingg2. OK恭喜!你已經(jīng)經(jīng)完成了整個(gè)個(gè)分析過(guò)程。EX2：車(chē)輪的實(shí)實(shí)體建模、網(wǎng)網(wǎng)格劃分練習(xí)目的：創(chuàng)建實(shí)實(shí)體的方法，工工作平面的平平移及旋轉(zhuǎn)，建建立局部坐標(biāo)標(biāo)系，模型的的映射，拷貝貝，布爾運(yùn)算算（相減、粘粘接、搭接，基基本網(wǎng)格劃分分。）問(wèn)題描描述：車(chē)輪為為沿軸向具有有循環(huán)對(duì)稱(chēng)的的特性，基本本扇區(qū)為45度，旋轉(zhuǎn)8份即可得到到整個(gè)模型。具具體步驟：建立切面模型建建立三個(gè)矩形形MainMennu:PPreproocessoor->-Modeeling--Creatte->-Areaas->-Rectaangle->ByyDimeensionns依次輸入x1=55,x2==5.5,y1=0,,y2=55單擊Apply再輸入x1==5.5,x2=7..5,y11=1.5,,y2=22.25單擊Applyy最后輸入x1=77.5,xx2=8.00,y1==0.5,y2=3..75單擊OK將三個(gè)矩形形加在一起MMainMMenu:Prepprocesssor-->Modeeling--Operaate>BBooleaans-Addd>Arreas單擊PickAll打開(kāi)開(kāi)線(xiàn)編號(hào)UttilityyMenuu>PlootCtrlls>NNumberring線(xiàn)編號(hào)為ON，并使/NUM為Colorrs&NNumberrs分別對(duì)線(xiàn)14與7；7與16；5與13；5與15進(jìn)行倒角，倒倒角半徑為0.25MaainMeenu:Preprrocesssor->>Modelling-CCreatee>Linnes-LiineFiillet拾取線(xiàn)14與7，單擊Apply，輸入圓角角半徑0.25，單擊Apply；拾取線(xiàn)7與16，單擊Apply，輸入圓角角半徑0.25，單擊Apply；拾取線(xiàn)5與13，單擊Apply，輸入圓角角半徑0.25，單擊Apply；拾取線(xiàn)5與15，單擊Apply，輸入圓角角半徑0.25，單擊OK；打開(kāi)關(guān)鍵鍵點(diǎn)編號(hào)UtiliityMeenu>PPlotCttrls>>Numbberingg關(guān)鍵點(diǎn)編號(hào)號(hào)為ON，并使/NUM為Colorrs&NNumberrs通過(guò)三點(diǎn)畫(huà)畫(huà)圓弧MaiinMennu>Preeproceessor>>Creatte>Arccs>ByEndKKPs&Rad拾取12及11點(diǎn)，單擊Apply，再拾取10點(diǎn)，單擊Apply，輸入圓弧弧半徑0.4,單擊Applyy;拾取9及10點(diǎn)，單擊Apply，再拾取11點(diǎn)，單擊Apply，輸入圓弧弧半徑0.4,單擊OK由線(xiàn)生成成面MainnMenuu:Prreproccessorr->--Modelling-CCreatee->--Areass-Arbiitraryy>ByLiness拾取線(xiàn)6、8、2單擊Apply拾取線(xiàn)20、19、21單擊Apply拾取線(xiàn)22、24、23單擊Apply拾取線(xiàn)17、18、12單擊Apply拾取線(xiàn)11、25單擊Apply拾取線(xiàn)9、26單擊OK將所以的面面加在一起MMainMMenu:Prepprocesssor-->Modeeling--Operaate>BBooleaans-Addd>Arreas單擊PickAll2．定義兩個(gè)關(guān)鍵點(diǎn)點(diǎn)（用來(lái)定義義旋轉(zhuǎn)軸）MainMennu>Preeproceessor>>Creatte>Keyypointts-InActivveCSNPT輸入50，單單擊ApplyyNPT輸入51，Y輸入6，單擊OK。面沿旋轉(zhuǎn)軸旋轉(zhuǎn)222.5度，形成部部分實(shí)體MainMennu:PPreproocessoor->OOperatte-Exttrude>Areaas-AbboutAAxis拾取面單擊Appply，拾取上面面定義的兩個(gè)個(gè)關(guān)鍵點(diǎn)50，51，單擊OK，輸入圓弧弧角度22.5，單擊OK。定義一個(gè)被減圓柱柱體首先將坐坐標(biāo)平面進(jìn)行行平移并旋轉(zhuǎn)轉(zhuǎn)UtiliityMeenu>WWorkPllane>>OffseetWPto>KKeypoiints拾取關(guān)鍵點(diǎn)14和16，單擊OK將工作平面面沿X軸轉(zhuǎn)－90度UtilityMenu>WorkkPlanee>OfffsetWWPbyIncreementss在XY，YZ，ZXAnngles輸入0，－90，0單擊Applyy.創(chuàng)建實(shí)心圓柱體MMainMMenu>PPreproocessoor>Creeate>CCylindder-ByyDimeensionnsRAD11輸入0.45，Z1，Z2坐標(biāo)輸入1，－2，單擊OK5．將圓柱體體從輪體中減減掉MainnMenuu>Prepprocesssor>OOperatte->Boooleanns-Subbtractt>Vollumes首先拾取輪體，單單擊Applyy,然后拾取圓圓柱體，單擊擊OK。工作平面與總體笛笛卡爾坐標(biāo)系系一致UtiilityMenu>WorkkPlanee>AliignWPPWithh>GlobbalCaartesiian此處將模型型另存為Wheell.db7..將體沿XY坐標(biāo)面映射射MainMennu>Preeproceessor>>Refleect>VVolumees拾取體，并并選擇X－Yplaane單擊OK8.旋轉(zhuǎn)工作平平面UtilityMenu>WorkkPlanee>OfffsetWWPbyIncreementss在XY，YZ，ZXAnngles輸入0，－90，0單擊Applyy.在XY，YZ，ZXAnglees輸入22.5，0，0單擊Applyy.8．在工作平平面原點(diǎn)定義義一個(gè)局部柱柱坐標(biāo)系UtilityMenu>WorkkPlanee>LoccalCooordinnateSSystemms>CreeateLLocalCS>AttWPOOriginnKCN為11，KCS為Cylinndricaal19..將體沿周向向旋轉(zhuǎn)8份形成整環(huán)環(huán)。MainnMenuu>Prepprocesssor>CCopy>VVolumees拾取PickAlll，ITIME輸入8，DY輸入45，單擊OK。EX3.練習(xí)主主題：自下向向上實(shí)體建模模建立連桿模模型練習(xí)目的：熟悉從從下向上建模模的過(guò)程進(jìn)入ANSYS工工作目錄,將“c-rod”作為jobnname。2 創(chuàng)建兩個(gè)圓圓面：MainMennu>PPreproocessoor>--Modelling-Creatte>--Areass-Cirrcle>>ByDDimenssions...RAD1=11.4RAD22=1THHETA1=0THEETA2==180,,單擊[Appply]然后設(shè)置THETTA1=45,再單單擊[OK]]打開(kāi)面:編號(hào)UtilityMenu>PlootCtrlls>NNumberring....設(shè)置面號(hào)on,然后單擊[OOK]創(chuàng)建兩個(gè)矩形面::MainMennu>PPreproocessoor>--Modelling-Creatte>--Areass-Recctanglle>BByDimmensioons....X1=-0..3,X22=0..3,Y11=1..2,Y22=1..8,單擊擊[Applly]XX1=--1.8,X2=-1.2,,Y1==0,YY2=00.3,單單擊[OKK]偏移工作平面到給給定位置((X=6.55):UtilityMenu>WorrkPlanne>OOffsettWPtto>XXYZLoocatioons+在ANSYS輸入窗窗口輸入6..5[OK]將激活的坐標(biāo)系設(shè)設(shè)置為工作平平面坐標(biāo)系::UtilityMenu>WorrkPlanne>CChangeeActiiveCSSto>>WorkkingPPlane6.56.52.50.51.80.31.0R1.4R0.4R0.7R45oSplinethroughsixcontrolpointsCLCLCrankpinendWristpinendAlldimensionsininches45o0.280.40.334.754.03.25創(chuàng)建另兩個(gè)圓面::MainMennu>PPreproocessoor>--Modelling-Creatte>--Areass-Cirrcle>>ByDDimenssions...RAD1=00.7RAD2=0.44THHETA1=0THEETA2==180,,然后單擊擊[Applly]第二個(gè)圓THETTA2=135,然后單擊[OOK]對(duì)面組分別執(zhí)行布布爾運(yùn)算:MainMennu>PPreproocessoor>--Modelling-Operaate>-Boolleans--Overrlap>>Areaas+首先選擇左側(cè)面組組,單擊[Appply]然后選擇右側(cè)面組組,單擊[OK]]將激活的坐標(biāo)系設(shè)設(shè)置為總體笛笛卡爾坐標(biāo)系系:UtilityMenu>WorrkPlanne>CChangeeActiiveCSSto>>GlobbalCaartesiian定義四個(gè)新的關(guān)鍵鍵點(diǎn):MainMennu>PPreproocessoor>--Modelling-Creatte>KKeypoiints>>InAActiveeCS…第一個(gè)關(guān)鍵點(diǎn),X=2.55,Y=00.5,單單擊[Appply]第二個(gè)關(guān)鍵點(diǎn),X=3.225,Y==0.4,單擊[Appply]第三個(gè)關(guān)鍵點(diǎn),X=4,Y=0.333,單擊擊[Applly]第四個(gè)關(guān)鍵點(diǎn),X=4.775,Y==0.28,,單擊[OK]]將激活的坐標(biāo)系設(shè)設(shè)置為總體柱柱坐標(biāo)系:UtilityMenu>WorrkPlanne>CChangeeActiiveCSSto>>GlobbalCyylindrrical通過(guò)一系列