12.先进的CAE网格变形工具及其案例

CAE－成本节约和技术革新的关键技术先进的CAE网格变形工具及其案例西迪阿特信息科技(上海）有限公司技术部陈振明概要CDAJ提供全面的流体分析优化方案modeFRONTIER介绍–modeFRONTIER概要DepMorpher介绍ØDepMorpher概要排气歧管形状最适化1.分析概要2.分析条件及变量设定3.DEPMorpher+modeFRONTIER优化4.优化结果的评价5.优化结果提取１．CDAJ提供全面的流体分析优化方案SolverSolverSolverSolverMorpherMorpherSolverSolverMesherMeshermodeFRONTIERmodeFRONTIER流体优化分析流体动力学优化分析流程案例–根据顾客的能力、需求及所掌握的软件提出解题方案CADCADPrePre从CAD数据开始与前处理软件耦合求解MESHMESH从网格开始流体优化分析从CAD数据开始–好处•方便地直接更改一些参数化几何特征•在后面的步骤中重新划分网格，这样允许几何的大变形–缺点•网格的重新生成必须是全自动，不能人为干预•边界条件和特性参数等的设定也必须是能够在变形之后获得SolverSolverMesherMeshermodeFRONTIERmodeFRONTIERMeshMesh■CADCATIAI-deasProENGINEEROneSpaceDesignerSolidWorks■CADCATIACATIAII--deasdeasProENGINEERProENGINEEROneSpaceDesignerOneSpaceDesignerSolidWorksSolidWorks■MesherICEMCFD/AI*Environmentpro-STAR/ammSTAR-Designes-ice,es-aeroMSC.PATRANHyperMesh■MesherICEMCFDICEMCFD/AI*Environment/AI*Environmentpropro--STAR/ammSTAR/ammSTARSTAR--DesignDesigneses--ice,esice,es--aeroaeroMSC.PATRANMSC.PATRANHyperMeshHyperMesh■CFDSolverSTAR-CDSTAR-CCM+■CFDSolverSTARSTAR--CDCDSTARSTAR--CCM+CCM+流体优化分析从网格开始–优点•方便的更改系统优化参数的设置•对于一些自动生成非常困难的刚性连接单元的更改非常方便•不需要设定特定的边界条件–缺点•对几何的拓扑形状难以更改•但是，这个缺点可以通过下面介绍的Morpher网格变形软件来解决在网格模型中无法改变几何拓扑形状的问题SolverSolverMorpherMorphermodeFRONTIERmodeFRONTIERMeshMesh■MorpherDEPMorpher■MorpherDEPMorpherDEPMorpher■CFDSolverSTAR-CDSTAR-CCM+■CFDSolverSTARSTAR--CDCDSTARSTAR--CCM+CCM+流体优化分析前处理工具耦合求解–优点•可以进行几何建模•不需要学习多个软件–缺点•只能创建简单几何形状（复杂的几何形状可在专用的CAD软件上创建）•网格也只限于能够自动生成的网格•边界条件和特性参数等的设定也必须是能够在变形之后获得modeFRONTIERmodeFRONTIERSolverSolverPrePre■前处理软件STAR-Designpro-STAR■前处理软件STARSTAR--DesignDesignpropro--STARSTAR■CFDSolverSTAR-CDSTAR-CCM+■CFDSolverSTARSTAR--CDCDSTARSTAR--CCM+CCM+CDAJ提供全面的流体分析优化方案STAR-suite优化集成事例–CDAJ是唯一一家提供整体解决方案的公司SolverSolverMesherMeshermodeFRONTIERmodeFRONTIERCADCAD■CADCATIAI-deasProENGINEEROneSpaceDesignerSolidWorks■CADCATIACATIAII--deasdeasProENGINEERProENGINEEROneSpaceDesignerOneSpaceDesignerSolidWorksSolidWorks■MesherICEMCFD/AI*Environmentpro-STAR/ammSTAR-Designes-ice,es-aero■MesherICEMCFD/AI*EnvironmentICEMCFD/AI*Environmentpropro--STAR/ammSTAR/ammSTARSTAR--DesignDesigneses--ice,esice,es--aeroaero■CFDSolverSTAR-CDSTAR-CCM+■CFDSolverSTARSTAR--CDCDSTARSTAR--CCM+CCM+SolverSolverMorpherMorpherMeshMesh■MorpherDEPMorpher■MorpherDEPMorpherDEPMorpher■CFDSolverSTAR-CDSTAR-CCM+■CFDSolverSTARSTAR--CDCDSTARSTAR--CCM+CCM+SolverSolverPrePre■専用プリSTAR-Designpro-STAR■専用プリSTARSTAR--DesignDesignpropro--STARSTAR■CFDSolverSTAR-CDSTAR-CCM+■CFDSolverSTARSTAR--CDCDSTARSTAR--CCM+CCM+优化所有公司的追求！2．modeFRONTIER概要modeFRONTIER的概要ESTECOHQ：Italy,Trieste,AREASciencePark是世界上第一款多目标稳健设计优化软件–便于集成CAE软件，界面友好，流程简介易上手–算法多样，选择多。算法精良，速度快•DOE算法有15种（SOBOL,拉丁方，全因子，CSP...)•其中优化算法有18种（MOGA,MOSA,NLPQLP...)–多目标优化和结果权衡（MCDM)•选取最符合设计者价值观的最优方案–稳健优化设计功能(MORDO)，保证产品质量•六西格玛方法真正解决稳健设计问题–数字挖掘功能，多变量分析工具，响应面工具，易于分析结果mm后处理功能:数据挖掘与决策支持3．DEPMeshWorks/Morpher概要DEP（DetroitEngineeredProducts）DEP（DetroitEngineeredProducts）–总部：美国底特略–办公室：旧金山，印度–1994年设立、员工60名–业务：高端CAE技术咨询，软件开发–顾客•GeneralMotors,DaimlerChrysler,Ford,Delphi,Visteon,Magna-Drivetrain,BorgWarner,Krupp-Fabco,・・・•Aisin,Hitachi,Hitachi-koki,Honda,Isuzu,Mitsubishi,Mazda,Nissan,Suzuki,Toyota,YKK,Yokohoma-Rubber,Yumex・・・•Mobis,Hyundai,Ssangyong,Samsung，・・・•AIRBUS,LMS,Opel,Peugeot,Renault，・・・AdvancedMeshControlDEPMorpher主要功能SmoothingofallmeshtopologySmoothingofallmeshSmoothingofallmeshtopologytopologyWrappingWrappingWrappingFeatureInsertFeatureInsertFeatureInsertMeshStitchMeshStitchMeshStitchMeshMorphingFreeformMorphingFreeformMorphingFreeformMorphingControlBlockMorphingControlBlockMorphingControlBlockMorphingStretchMorphingStretchMorphingStretchMorphingFeaturePartitionFeaturePartitionFeaturePartitionParametricBatchMorpherBatchMeshbyDOEMatrixBatchMeshbyDOEBatchMeshbyDOEMatrixMatrixIntegratetoOPTIMIZERIntegratetoOPTIMIZERIntegratetoOPTIMIZERBasicAdvancedExcellenceFreedommorphingFreedommorphing网格自由变形网格自由变形–在初始网格模型中，设定网格控制区域(Control)]、变形区域(Deformable)]和网格固定区域(Fixed)]可简单直观的看到网格的变形Controlblockmorphing区域网格变形–在网格模型中设定一个控制区域，控制此区域内的网格变动，与此区域相连的网格也会发生联动变形，至此完成目标形状的变形Stretchmorphing–网格插入功能直观的变形手法DEPMorpher高级的功能1Cutting,Morphing&StitchingCUTTINGMorphingofthelowerductStitchingattheseams(completelyincompatiblemeshes)Cutting,Morphing&StitchingDEPMorpher高级功能２Wrapping&RemeshØ声学分析中边界单元建模FeatureInsertØ在基础网格中插入Wrapping&RemeshDEPMorpher主要功能---参数化功能ParametricBatchMorpherBatchMeshbyDOEMatrixBatchMeshbyDOEBatchMeshbyDOEMatrixMatrixIntegratetoOPTIMIZERIntegratetoOPTIMIZERIntegratetoOPTIMIZERAdvancedParametricBatchMorpher通过参数化变形功能，用户可以对多个网格变形参数同时变化的网格特征进行直观地分析比较通过批处理操作功能，用户可以使得多个网格变形方案按照设定的模式自动完成●DEPParametricmodelfile(xxx.msw)●Batchfileforparametircbacthmorpher(xxx.bat)●Designmatrixtablefile(xxx.txt)●DEPParametricmodelfile(xxx.msw)●Batchfileforparametircbacthmorpher(xxx.bat)●Designmatrixtablefile(xxx.txt)DV1DV1DV2DV2DV3DV3DV3DV1DV1DV2DV2DOEMatrixDesignsDV1DV2DV3100.68970.344820.17243.1034.82830.344803.96640.51724.8281.89750.68973.9662.75960.86213.6210.517271.0341.0342.41481.2070.34482.24191.3794.6553.621101.5521.7245111.7243.4483.276121.8972.9310.6897132.0690.17241.034142.24