ansys专题教程练习_轴承座2

INTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement练习8A轴承座INTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-2轴承座问题描述•将上面练习中生成的轴承座模型划分网格。•同时使用自由网格划分和自动扫描功能。INTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-3轴承座1.进入ANSYS，工作路径为缺省，工作文件名为“p-block-mesh”。2.读入“p-block.db”数据库文件或p-block.db1：–UtilityMenuFileResumefrom…•Selectthe“p-block.db”(orthe“p-block.db1”)databasefile,then[OK]–Orissue:RESUME,p-block,db(orRESUME,p-block,db1)3.进入前处理器并指定单元类型为SOLID95:–MainMenuPreprocessorElementTypeAdd/Edit/Delete…•[Add...]–Choose“StructuralSolid”and“Brick20node95”,then[OK]•[Close]–Orissue:/PREP7ET,1,SOLID95INTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-4轴承座4.激活智能网格划分器并使用四面体单元自由划分网格:–MainMenuPreprocessorMeshTool…•Activate“SmartSize”•SetSmartSizelevelto4•[Mesh]•[PickAll]•[Close]–Orissue:SMRT,4MSHAPE,1,3DMSHKEY,0VMESH,ALL5.存储划分好网格的模型:–UtilityMenuFileSaveas…•Enter“p-block-mesh-free.db”asthedatabasename,then[OK]–Orissue:SAVE,p-block-mesh-free,dbINTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-5轴承座6.扫描划分模型:6a.清除自由网格:–MainMenuPreprocessorMeshTool…•[Clear]•[PickAll]–UtilityMenuPlotVolumes–Orissue:VCLEAR,ALLVPLOTINTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-6轴承座6b.将轴承座基础分成两部分以便用扫描划分网格:–UtilityMenuWorkPlaneAlignWPwithKeypoints+•Pickthethreekeypointsdisplayedinthegraphicswindowbelow,then[OK]–MainMenuPreprocessor-Modeling-Operate-Booleans-DivideVolubyWrkPlane+•Pickthebasevolume,then[OK]–UtilityMenuWorkPlaneDisplayWorkingPlane–UtilityMenuPlotVolumes–Orissue:KWPLAN,-1,12,14,11VSBW,7WPSTYLEVPLOTINTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-7轴承座6c.对于不能扫描的体激活“tet-mesh”选项:–MainMenuPreprocessor-Meshing-Mesh-VolumeSweep-SweepOpts...•Select“Tetmeshinnonsweepablevolumes”,then[OK]–Orissue:EXTOPT,VSWE,TETS,ON6d.将smartsize打到4并设置总体单元尺寸为0.125，然后扫描划分模型:–MainMenuPreprocessorMeshTool…•Pick[Set]underSizeControls:Global•SetSIZE=0.125,then[OK]•Select“Hex”and“Sweep”,andleavethedefault“AutoSrc/Trg”settingactive•[Sweep]•[PickAll]•[Yes]-tomeshvolume6withtetrahedraelements–Orissue:SMRT,2VSWEEP,ALLINTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-8轴承座6e.存储划分好的模型:–UtilityMenuFileSaveas…•Enter“p-block-mesh-sweep.db”asthedatabasename,then[OK]–Orissue:SAVE,p-block-mesh-sweep,dbINTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement练习8B连杆INTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-10连杆问题描述•划分以前生成的连杆模型。•然后拉伸面形成3-D网格。INTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-11连杆1.进入ANSYS，工作路径为缺省，工作文件名为“c-rod-mesh”。或清除ANSYS数据库并将工作文件名改变为“c-rod-mesh”:–UtilityMenuFileClear&StartNew...–UtilityMenuFileChangeJobname...2.读入“c-rod.db”文件或c-rod.db1：–UtilityMenuFileResumefrom…•Selectthe“c-rod.db”(or“c-rod.db1”)databasefile,then[OK]–Orissue:RESUME,c-rod,db(orRESUME,c-rod,db1)3.进入前处理器并选择单元类型PLANE82:–MainMenuPreprocessorElementTypeAdd/Edit/Delete…•[Add...]–Choose“StructuralSolid”and“Quad8node82”,then[OK]•[Close]–Orissue:/PREP7ET,1,PLANE82INTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-12连杆4.设置单元大小为0.2并自由划分网格:–MainMenuPreprocessorMeshTool…•Pick[Set]underSizeControls:Global•SIZE=0.2•[OK]•[Mesh]•[PickAll]–Orissue:ESIZE,0.2MSHAPE,0,2DMSHKEY,0AMESH,ALL5.存储模型:–UtilityMenuFileSaveas…•Enter“c-rod-mesh-quad.db”asthedatabasename,then[OK]–Orissue:SAVE,c-rod-mesh-quad,dbINTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-13连杆6.将划分好网格的面延伸为3D块单元模型:6a.添加3-D块单元:–MainMenuPreprocessorElementTypeAdd/Edit/Delete…•[Add...]–Choose“StructuralSolid”and“Brick20node95”,then[OK]•[Close]–Orissue:ET,2,SOLID956b.设置延伸方向的分段数并拉伸面:–MainMenuPreprocessor-Modeling-OperateExtrudeElemExtOpts...•VAL1=3•[OK]–MainMenuPreprocessor-Modeling-OperateExtrude-Areas-AlongNormal+•Pickareanumber2,then[OK]•DIST=0.5,then[OK]–Orissue:EXTOPT,ESIZE,3VOFFST,2,0.5INTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-14连杆6c.删除2-DPLANE82单元:–MainMenuPreprocessorMeshTool...•Select“Areas”underMesh:•[Clear]•[PickAll]–Orissue:ACLEAR,ALL7.改变视角:–UtilityMenuPlotCtrlsPan,Zoom,Rotate…•[ISO]–Orissue:/VIEW,1,1,1,1EPLOTINTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-15连杆8.存储划分好网格的模型:–UtilityMenuFileSaveas…•Enter“c-rod-mesh-brick.db”asthedatabasename,then[OK]–Orissue:SAVE,c-rod-mesh-brick,dbINTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-16连杆9.重新开始练习并用MESH200代替PLANE82单元。使用MESH200单元就省去了删除2-D单元的步骤:9a.读入“c-rod.db”数据库文件或c-rod.db1:–UtilityMenuFileResumefrom…•Selectthe“c-rod.db”(or“c-rod.db1”)databasefile,then[OK]–Orissue:RESUME,c-rod,db(orRESUME,c-rod,db1)9b.进入前处理器并选择单元类型MESH200，设置keyopt(1)=“QUAD8-NODE”:–MainMenuPreprocessorElementTypeAdd/Edit/Delete…•[Add...]–Choose“NotSolved”and“MeshFacet200”,then[OK]•[Options...]•SetK1to“QUAD8-NODE”,then[OK]•[Close]–Orissue:/PREP7ET,1,MESH200KEYOPT,1,1,7INTRODUCTIONTOANSYS5.6-Part1WorkshopSupplement00128930Nov1999W8-17连杆9c.设置单元大小为0.2并自由划分面:–MainMenuPreprocessorMeshTool…•Pick[Set]underSizeControls:Global•SIZE=0.2•[OK]•[Mesh]•[PickAll]–Orissue:ESIZE,0.2MSHAPE,0,2DMSHKEY,0AMESH,ALL9