1、剛柔耦合分析詳細流程主要內容：1）零件重新網格劃分；2）材料和屬性的設置；3）剛體的替代；4）RigidSpider的建立；5）柔性體Craig-Bampton模態計算以satellite為例，剛體模型建立完畢，進行計算，保存為satellite.CATAnalysis。lnalysisManagerLinksManager.l將需設進入網odiesSu用不到2D網格，激活的2D網格由于缺少材料屬性會使模態計算失敗,AnalysisModelNodesandElementsbaseactuator(baseactuator.l)yoke_rigid(yoke_rigid.l)yoke.rigi

2、d統型平面離匹平面零件幾何休L點丄flt_refl_brack(flt_refl_brack.l)。-張DataConstraints軸系Joints格劃分模塊開始-Meshing-CADmeshing模塊，對零件i進行sifacemesh（點擊Advancedsurfacemesher，選擇零件），然后進行3rahedron，選擇面網格），采用四面體進行填充。此時，必須擊TetDeactite（在特征樹中選擇AdvancedSurfacemesh，右鍵單擊，選擇Deacti|分析中記。GlobalParametersMeshTypeElementtype褚LinearOParabolic|G

3、eometry|Meshsize|QMeshOffset|OmmQuadsonlyMinimizetrianglesDirectionalmeshTetrahedronFillerMe&hPartsAdvancedSurfaceMesh.lRemove|R已moveallNodesandElementsIAdvancedSurfaceMeshTetrahedronFillerMesh.ManualMeshPart.lH?、RigidSpiderbyPickir、RigidSpiderbyPickiHProperties.1INewSolidProperty.l(ID,Motionlnterfa

4、ceSets.lOInterfaceSet.l(yoke_rigicNode.l(RevoIuteJoirNode.2(RevoIuteJoirModeSet.l進入StructurFiniteEle網格屬性的設亠:新建數；新建一個SolidProTetrahedronFillerMesh),ElementtypeOParabolicLinear重新誑國Hide/Show寄屬性圄OpenSub-TreeAlt4-Enter剪如Ctrl+X龍曩制CJ糊占Ctrl+CCtrl+V占.刪除DelAdvancedSurfaceMesh.l對魚.mentAnalysisPre/Post-Material

5、s&Properties，進彳丁零件材料和DataSources泊松比和密度等基本該D格I可在特征樹中擇IsotropicMaterial,設置楊氏模量、匚reareGroi、l,tA淌OatgT出廳igit；“vidieridi選擇剛才t建立的IsotropicMaterialo44|GeometryPlDurabilityWesh.lKnowledgewareAcousticsPlOptimization1h必Meshing44Nodes&Elements注FiniteElementAnalysisPre/Post44以ProductsatelIite.CATAnalysisyke_rig

6、id.CATPartAoaWsZAssemblyAnalysisMorphingCavityMeshingMeshCoarseningMeshTransformations&ConSMaterials&PropertiesAnalysisCasesPost-Processing44IsotropicMaterial0.33Density:|480|0kg_m/lodeling;hAnalysis;hAnalysisName|NewI&otropicMaterial.1MaterialIDBasicParameters:YoungsModulus:|2&+0gN_rp合|P01&50nsRati

7、o:4444rSolidPropertyS3ShowMoreParameters4444rrrI4詁型榻雜.JHr，.檸蠢.嚙尸二-SxfssiSPropertyID:Material:|NewIsotropicMaterialShowMoreParameters保存該分析為Flex.CATAnal不要關閉Flex.CATAnalysis（最小可），進入satellite.CATAnalysis分析文件，用上面柔NameNewSolidProperty.lAppli匚就ionRegion:Edit44性體分析文件替換剛體：選擇要被替換的剛體，右鍵單擊，選擇：顯示-Flex-MakeFlexib

8、lewithExistingData，在彈出的對話框中選擇Flex.CATAnalysis文件，此時該剛體被vLMSVirtual.Lsb8B-SL2-satellite.CATAnalysis空開始文件霸飛回搖入工具窗口辛助替換。Alt4-Enter說明與回i孔FeatureBrowserNameNodesList雙擊lnterfaceSet.1下的No以)teJoint.1UlAlRfRCtrl+XMontionlntCon&trainedDOFsRigidSpidebyPicking癘MM占k:巳FlexiblePickaboe也可RigidSpiderbyPic模進在點HSdHlis匕

9、前面關聯的重要性），即Rigidig.i對話框中，suppoht/NoaeiD格的所有節點der（蜘蛛網+晶I豊NodeId181720132122CreateaRigidSpiderbyPickingzJerfaceSets.1,開始-Motion-Flexiblein模態。Crajg-Bampton構件的關系格的創建。坐標系的原NearestNodeUpdateCenterNodeDefinitionType|Defne_SupSuppoirVNodeID原,1/頂贏lysis分析文件，此時lteCATAnalysi行RigidSpider界面模態，需要根據零件在整個裝配體中與運動副以及其

10、他I將圏居中重新犧陵Hide/Show園OpenSub-TreeMm：特征樹里多了is關聯成功。進入柔性體設計模塊：的創建，計算零件的Craig-BamptoAnalysisManagerLinksManager.lAnalysisModelNodesandElemeodiesbasea匚tu自(Iyoke_rigid(yob5MotioninterfaceSets.1InterfaceSet.l(yoke_rigid(yoke_rigid.l)sate山te.CAflt_refl_brack(約束的施加（這里可以看上出的RigidSpiderbyPickir此時，Undefined變為關聯的

11、節點號。MotionlnterfaceSets.1InterfaceSet.l(yoke_rigid(yoke_rigid.l)Node.l(RevoIuteJoint丄19)Node.2(RevoIuteJoint.2.107)新建一個NastranCraig-BamptomSolutionSet,選擇ReferencetheDefinedConstraintSet,在特征樹中，選擇InterfaceSet.1，點擊確定。NewSolidProperty.!(ID:1)Materials.1L卜米NewIsotropicMaterial.l(ID：Drtn空蘭g-Bampyofm_OiUtH

12、yGk,進行MO及起止頻率，元畢后進仃計算。）4占Axes.lMotionlnterfaceSets.lNastranCraig-BamptonCase4Refere-n匚&theDefinedConstraintSetDSinglePointConst自OUseaNewConstraintSetSolutionParametersefinition，王要是設置計算模態的4NewSolutionParametersSelecttheSinglePointConstraintSetintheTreenterldes階數Properties.!*-：；：RigidSpiderbyPicking.2

13、嚴r_I.SolutionGeneralParameters|Singularity|IncNewSolidProperty.l(ID:1)II*NewIsotropicMaterial.l(ID:1)牛&Axes.lJL鼻1AMotioninterfaceSets.1InterfaceSet.l(yoke_rigid(yoke_rigid.l)SolutionNameNameNastranCraig-BamptonSolution.1S-Materials.!SolutionTypeNormalModes(SOL103-Lanczos)ModesDefinitionStivise計;Node

14、.l(RevoluteJoint.l,19)No查查看模態計算果。21建）個tomSolution.1，雙擊Mods_Damping（粘性阻尼）幕血PC/D輸入耳5；哉詬血a.e算算效率，本例只激活前旳U階模“I.L雖斶NumberofModesStartFrequency(Hz)EndFrequency(Hz)XOOOO-雙擊DataSource，設置DataSetEdition.1進行設置：設置可以多選)，點擊EditModes下20前10階模態（按住Ctrl一些對計算結果精屢度影響不大的高階攀提高，選擇第11階后的模態，點擊DeactivateoInterfaceSet.l(yoke_r

15、igid(yoke_rigid.l)Na吐anCraig-BamptonSolution.1計算元畢后右鍵單擊FlexibleAnimation,選擇Stress,雙擊Stressfulltensorcomponent,Type選擇Fringe(邊緣)，Criteria選擇Vonmises。點擊Animate,選擇SolutionSet,觀看動畫。-rNodesandElementsBodiesyoke_rigid(yoke_rigid.l)reflbrackbaseactuator(baseactuator.l):CenterOfGravity-yoke_rigid(yoke.rigid.!

16、)Flexibility.LMSDynBodyFromExisting.2(NastranCraig-BamptonSolution.1)InterfacesFlexibleSolutionSetModeSet.lNastranCraig-BamptonSolution.lITranstorm1000mmSet.l計算元畢后右鍵單擊FlexibleAnimation,選擇Stress,雙擊Stressfulltensorcomponent,Type選擇Fringe(邊緣)，Criteria選擇Vonmises。點擊Animate,選擇SolutionSet,觀看動畫。FIexib111ty;L

17、MSDynBodyFromExisting.2(ModeSet.l)4倉InterfaceSet.l(yoke_rigid(yoke_r|亠黨flt_refl_brack(flt_refl_brack.l)將圏居中重新構造Hide/ShowDataConstraintsJoints+SubMechanismsFunctionComparisonDisplays囹園粘貼貝制馭占.刪隱ICInitialConditionsCtrl+XAlt+EnterSub-TreeCtrl4-VCtrl+CDelImageEdition牢SolutionL費MotiAverageisoDijsentinuous

18、isoFringeSymbolTextCriteriaPirincipalvaluePirin匸ipailvalue(absolutevalue)TensercomponentVonMisesFlexible捋改器yStressVonMisestrpOccirrpnGeN_m1伶I尿+7Ng活RAp.7S7p1.2Qe切eQnRminrlflryoke_rigid(yoke_i計算元畢后右鍵單擊FlexibleAnimation,選擇Stress,雙擊Stressfulltensorcomponent,Type選擇Fringe(邊緣)，Criteria選擇Vonmises。點擊Animate,選擇Solution