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Catia有限元分析步骤及分析实例.docx

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Catia有限元分析步骤及分析实例 Catia— Catia有限元分析步骤:1,准备分析的零件模型2,施加载荷与约束 3, 求解 4, 观察结果 5, 分析结果 6, 更改设计与重新求解7,重新分析结果 分析实例一虎钳螺杆结构分析1,准备分析的零件 打开装配文件 Drill_Press.CATProduct T ea mPDM Edit View Insert T^0 & [New... New-fram.-r-: Ctri+N Open... h Ctrl+O Close 临 H顎佗 ■cirte Sa怕一够.. Save;A:JI 鱼 mens/# G 憂匚會 理珏史 聲《 rg_J洲 画h/idly迎 •成冲郞 京件S 虺】 |Dt-ill_pres5 刘ysy 左键击操作Manipulation图标 在对话框中点选Y平移 选 With respect to constraints ^Cancel raq alcrnq ¥ axis ■ Cancel 沿Y轴拖拽slidingjaw零件 显示装配结构已适当的约束 OK关闭对话框 Z]_si Wilti reject 归 oxeir^hte i=^ set tri g£trmlri世 在模型树展开screw零件 右键选Steel选Properties选Analysis查看材质的结构属性 OK关闭属性窗口 Ctrl+X Ctrl+C C1rl+V Paste Delete Selection Define Selection Set Hid 財Shew Center Graph Reframe On ess screw 5teel jawjslate (ww_plate.2) retalrier_plate (retainer jjlate. 1.) screws (screw^6.1) Constraints (screw.!) handle sliding jaw j?l jawj)l retain screw screw screw Alt+Enter Properties screw retain Constr 5urface con tact. 30 (str ew#6 ■ 3 Jaw _plate. 2) handle_asm (handle_asm .1) base (base. 1) screw (screw. 1) <ase (base.l) sliding Jaw (slidingj-aw.l) jaw^plate (j^w^plate. 1) •麻 Fiv x ess screws (screw*6.2) screw#6 (screw#6.3) 写crew#6 ($crew#6.4) retainer_screw (retainer_screw.l) Current 3e;ection ; AFkS^SG J Dr^ftng | 萬 Rendarng | Jnher rtaruH | Feature FropertlES Slrudural Prop hubs iQirg Modulusl^Oie+SfiTpci POlSSDri Ratlo|o.2fi6 Dert5ity|7Q60kg_ m3 Thermsl E^cars tin|Q:DODa 3 ■ iel^ mtrenqth| 弟 2S9,4 屯印 在主菜单选Edit选Links… 选 Pointed documents base (base,l) 願「啟 酒四(so日心6月) Fix-27 (baw. J) Surface contact.2S (stJ |li ?liding_^aw ^slicErig_iai/*.l) 闷艸(jaw.plaits. 1) )Bw_plai8 (jaiAj_plrte>^) jetd.<isrjzilate Retains!_pl 5trew#6 Csrreiwffe.l) retaner_sciTBW (retainer, handle_asna (h^rid Ie_a5«n. 1 V》- luhii_p「es号[内丨 prciumj 5crew#5 (scr 如 #6 总) *「ev)融 ^crau-#6.3) TedimEPM InEPTt Ctrl十 W Cfrl+Y 胡I十. Ctl+C Ctrl+U date Ctrl-hF Selection 5ets. Representation 。iriclD 妃j Repeat ComporisnE C DnstracitE 选 Screw.CATPart 点选 Open 打开 简化零件模型右键在模型树选CircPattern.1选CircPattern.1 object选 Deactivate DEfri5 ]n Wark Gbjert Ctrl+X %1+H EI+*' Paste RjHiziF,., Pocket, 1 chamfer. 1 Sot. 4 R^FPP.^rtRrn Sketch. RectPattern. 1 Sketch A LQordar 对CircPattern.2重复以上步骤 C&nter Graph Deg Di 册object CtrHX Ctrl+C CtrH-'v J涉[H写 Refr^me on Pargni/Children... rropct Hdix.l _ocal upaj-ts ctY-atE die寻洛匕匚 口毛曰 E PiapertiK Defmtian.. □d-t ParametE?s BdLtSlOt.4 Explode, .i Reorder... 在主菜单选 Start 选 Analysis & Simulation 选 Generative Structural Analysis 在 New Analysis Case 窗口选 Static Analysis OK □ Keep as default starting analysis Cdse New Analysis Case Static Analvsjs Frequency Analysis Free Frequency-Ana lysis Slew Analvsi Static: Analysis Frequency Analysi Free Frequenc-y' Ana [ysls □ Keep as default startinq analysis 1 Cancel Help 2,施加载荷与约束 选Clamp图标 如图选螺杆末端螺纹表面OK 选Force图标 如图选螺杆端面 在X框键入950lbf 在Y框键入-50lbf OK 3,求解 选Elfini Storage Location图标用Modify定义结果存储路径 选Compute图标 选 Preview OK review ^CancelJ W Cancel I Preview ComputE Compute Compute 几秒后出现估算时间的窗口 点选Yes求解计算 Computation Estirn 4,观察结果 pioi of CPU 375 kila-byte^of memory. 318 kilo-bytes.of disk Warning: Runriing computation witkioutIntel MKL(t) Running with M1<LibrwouId decrease C1PU-T Do you want tn continue the computation? I LJLJI-D n&rative Part Str 点选 visualisation 图标的黑箭头选 Applies customized view parameters 图标 1—5 nah/sipl yCATAn 'sisComputations ri^ly s is\D3t3\ scre^ ■ C ATP. Ap plies'tijstD mized/view p ara metE.rs 在窗口选取Materials OK Custom View Mode Edges _points Shading □ Outlines;' □ Hidden edge^ .points Dynamic hidden line rennoval <JMater ialsl' □ Facet □ isoparametri 匚£ 。OK. 1 J Cancel I Custom V;ew M(;d Ed gea^-.points Shading 口 Outlines □ Hidden 巳 .points □ Dynamic hidden line removal Materials' \ 口 Facet □ Isopara metrics ■3 Cancel HH 点选Von Mises图标 在模型树右键选 Nodes 和 Elements and Properties 选 Properties 选 Hide/Show 隐藏 Analysis Manager Linki MjcageK i-lnte Element Mocfel Loads. Hide/Show Ctrl+C rrlW ■aste A It+Enter ■wid m- i- 匚即切M呼h Enframe On 在有限单元上移动鼠标观察各节点的结果数值 如图双击颜色板键入20替代10 OK修改结果显示效果 psi 3.17e+00' 2.85e+0( 2,54e+0( 球以左十(X l.Se+OO 1.58e+0C 办+0 9.51e+0 6\ 34^+0 3.17e+0 0 On Boundary-' □ I mposed Min More» • Cancel Color Map Editor Color Map Edi tor saiiasniissiviii On Boundary j On Boundary Number of Colors 亨 mriBl Number of Colors 20 □ imposed Min 口 I mposed Max 31699,1 □ Imposed M?览 More» I 31699.1 5,分析结果 点选Cut Plane图标 在主菜单视图选右视图如图 Pl日ne%~i曰曉格L !\catia-5j\Anal' sjlGenerative P i-sj\Analysisl. ■sisResults. TAnalyeiEComputation tural Analy£is\Data\s:; t5 Rightview 如图选孤线旋转切削面 不选 Show Cutting Plane 在横切面移动鼠标观察各节点的结果数值 CLOSE 「I中部□Jttnq伯冴 ? X 9.51S+0 i4e+0 点选Search Image Extrema图标如图设置 Close Global Minimum extrema at mos.t i Maximum extrema at most i □ Local Minimum ewtrema at most o extrema at most 2 OK显示最大和最小值 lage Extre Search Innage Extremal 点选 Deformation Scale Factor 图标 增大变形比例数 Default Coeffi匚im「it J-Laneel I Magnifi caticn None De忙irm日d Qu日ffiizi巳地 1%:迎& Maximum Displacement |0.862349~ 三匸 Defarmation S匸alm FmdD「| Deform Window 一 |口成| Deform Window Magnification : None Max ' b gibrm巳d C□巳ffkimrit ; 80.5617 D efau It Eoeffic i ent J viaximum Displacement : 点选Animate图标察看变形动画演示,适当调整速度 CLOSE 点选Deformation图标察看变形网格图 e+00 e+00 e+00 e+CO e+00- e+00: s+00. e+00: e+00: 6,更改设计与重新求解 从分析结果发现最大应力大于材料屈服强度,需修改设计 在模型树双击screw进入设计模式 Analysis Manager Link5 Manager Lirc.Haliern.Z ::Relations *—Form * PartBudy LM5hdft. 1 --RectPattern. 1 4 口 Pocket. 1 Chamfer. 1 5lot.2 CircPattern.l 双击sketch.3修改尺寸如图 退出 zx plane bi Parameters ations Formula. 1: PartBody\RectPattern. i\NumberI & PartBody i Shaft. 1 p :L Pocket. 1 Sketch.3 Chamfer, 1 ^lot.2 lot.4 Pattern. 1 Qps_body.I [UPLOAD=gif] Constraint Defjniliofi 国口 MGre>> ; I ■ ■ I i,” i I ■ I jj qjri ■ ■J|.|.i 11 I ■ . J □ ] ■ in ■■ i.Li Exit workben ch I a deg/Park 在模型树双击Finite Element Model 点选Compute图标计算 Preview I nJ 2d G kOK J Cancel 一椎J 宀‘皿 Compute Jnl>d Computation Reseu「c:eg E&tim....: 537 kilo-bites' of memory=' 481 kilo-b/tss of disk Warning; Running compiitation withoutIntsl Running 州tti Library/would decrease CPU-T Do you want to continue the computation? 点选Von Mises图标察看结果 sss Von Mises 点选 Search Image Extrema 图标 OK显示最大和最小值 Maximum extrema at most i □Locai |n|x| 5 Global Minimum e.stt'ema at most i Minimum axtrema at most i Maximum extrema at most ]_ $ 繹]由匚日门匚巳11 4 £談廿「SEarizh Inring巳 Ejttr巳m日 Extrema Creatior
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