VAONE应用和展望-张菁

Copyright©ESIGroup,2010.Allrightsreserved.Copyright©ESIGroup,2010.Allrightsreserved.VAOne应用/项目/展望张菁1/25/20111Copyright©ESIGroup,2010.Allrightsreserved.OutlineVAOne概述工业应用咨询项目竞争及工作展望Copyright©ESIGroup,2010.Allrightsreserved.VAOne版本VAOne2007.5January2008August2008March2009September2009April2010VAOne2008.0VAOne2008.5VAOne2009VAOne201049enhancementsStressmodule,Periodicmodule,PerforatedNCTs,BEMGridsolver+…45enhancementsFastMultipoleBEM,Multi-domainBEM,SEAproductivity64bitscripting+…38enhancementsEnhancedjunctions+isolators,Complexloads/BC+…30enhancementsSpecialreleasefocusedonFOAMfiniteelements[integrationofRayonVTMsolverintoVAOne]80enhancementsGeneralenhancementstoallmodules.Theme=contributionanalysisandmethodstodiagnoseresponse.(inR&D)VAOne2010.5Currentlyfocusedon-SqueakandRattle-Aero-vibro-acoustics-GeneralEnhancementsCurrentreleaseCopyright©ESIGroup,2010.Allrightsreserved.VAOne主要模块VAOneModelboundedfluidswithFEatlowfrequenciesModelstructurewithFEatlowfrequenciesQuicksystemlevelmodelsathighfrequenciesModelboundedorunboundedfluidsatlowfrequenciesCoupleFEandSEAtogetherforquickanalysisatmidfrequenciesUsetomodelfoamsandfibersatlow,midandhighfrequencyUsetocustomizeVAOneforspecificanalysisneedsUsetorecoverdynamicstress,strainandforceatlowfrequenciesUsetomodellargeperiodicsystemsatmidandhighfrequencies+主要模块扩展模块Copyright©ESIGroup,2010.Allrightsreserved.SEA统计能量分析典型应用-内部噪声分析，声学包设计-船舶辐射噪声分析-声振环境预测-随机声学/振动环境下响应应用范围-系统级，高频振动噪声分析唯一实用软件-分析能量传递路径-振动/声学指标分解-优化设计（声学包/隔振器/阻尼层）Copyright©ESIGroup,2010.Allrightsreserved.FE结构/声学有限元应用范围-中低频结构振动分析-中低频声学分析-中低频结构/声学耦合分析典型应用-有效载荷下的声品质-计算结构/部件的辐射效率，传递损失-随机振动响应-管路/空调/进排气系统声学分析Copyright©ESIGroup,2010.Allrightsreserved.BEM边界元/快速多级边界元应用范围-低频声辐射/衍射分析-封闭/半无限场/无限场低频声学分析-中低频结构/声学耦合分析典型应用-消声器插入损失分析-隔栅/过孔的辐射效率计算-声品质测试模拟-通信/电子设备声辐射1e31e41e51e61e01e11e21e31e4NumberofnodesCPUtime(s)边界元快速多级边界元边界元及快速多级边界元计算规模/时间对比Copyright©ESIGroup,2010.Allrightsreserved.Hybrid中频混合分析典型应用-中频段部件隔声量分析-系统级结构传递噪声分析（如：整车200-1KHz）应用范围-中频结构传递噪声/振动分析-精确预测强耦合/复杂连接结构Copyright©ESIGroup,2010.Allrightsreserved.最新气动噪声功能VAOne2010.5将包含新的气动噪声功能表面脉动压力载荷施加在有限元/边界元结构上包含时间历程的压力载荷可以导入测试或CFD数据载荷可以是随机或确定值应用：风载，油箱晃动，流场突出物，冲击噪声等从时域压力数据自动转换为TBL载荷用于随机面载荷的参数确定利用TBL施加到有限元或者SEA子系统上应用：风载，局部扰流等U0Copyright©ESIGroup,2010.Allrightsreserved.OutlineVAOne概述工业应用咨询项目竞争及工作展望Copyright©ESIGroup,2010.Allrightsreserved.汽车行业车内声学包/阻尼涂层的重量/费用优化通过整车和部件模拟，分析诊断空气传递噪声和结构传递噪声创建部件级分析模型，给供应商设定声学指标设计更安静的发动机及动力总成系统预测排气管/消声器以及进气口的辐射噪声11Copyright©ESIGroup,2010.Allrightsreserved.车门密封系统隔声量预测Copyright©ESIGroup,2010.Allrightsreserved.车门密封系统隔声量预测Conclusion:•channelcross-sectionnotsoimportant•3Deffectsmaybeimportant•importanttoaccountforchannels•importanttomodeldeformedsealgeometryCopyright©ESIGroup,2010.Allrightsreserved.消声器插入损失模拟GLSV公司Copyright©ESIGroup,2010.Allrightsreserved.消声器插入损失模拟GLSV公司•ThesolutiontimeissignificantlyreducedthanBEM(~20min)•ThepredictedILshowedexcellentagreementwiththemeasureddataCopyright©ESIGroup,2010.Allrightsreserved.航空航天优化新型轻质材料和结构的振动声学性能结构减重，增加燃油携带对于运载器和有效负载，定义随机振动载荷，声载荷以及冲击环境，检验其能否通过验收鉴定标准在声学，随机振动以及冲击环境作用下，分析主结构/有效负载及飞行关键设备的响应16Copyright©ESIGroup,2010.Allrightsreserved.载人航天器声负载响应分析泰勒斯空间有限公司CALIPSOspacecraftVAOneHybridFE-SEA-BEMmodel“SimulationofaspacecraftacoustictestbyHybridFE-SEAmethod:applicationtotheCALIPSOspacecraftandcomparisonwithexperimentaldata”.R.Knockaert–ThalesAleniaSpaceCopyright©ESIGroup,2010.Allrightsreserved.Copyright©ESIGroup,2010.Allrightsreserved.Copyright©ESIGroup,2010.Allrightsreserved.轨道交通确定传递路径，优化内部声学包内部声品质设计分析轮轨噪声，动力设备辐射噪声以及气动噪声模拟通过噪声及对社区的影响20Copyright©ESIGroup,2010.Allrightsreserved.预测气动噪声对车内的贡献阿尔斯通公司•Aerooacousticcontributiontointeriornoiseathighspeed(300kn/h)isimportant•Maincontributorsareglasses:windscreenandlateralbaysCopyright©ESIGroup,2010.Allrightsreserved.预测气动噪声对车内的贡献阿尔斯通公司Twoexcitationsaretakenintoaccount:•TBLdefinedinVAOne•CFDcomputationwithESIscriptCopyright©ESIGroup,2010.Allrightsreserved.地板结构传递损失隔声量分析庞巴迪公司Proc.Novem2009,Oxford,UKCopyright©ESIGroup,2010.Allrightsreserved.机舱舱壁传递损失隔声量分析庞巴迪公司Copyright©ESIGroup,2010.Allrightsreserved.电子电器RandomvibrationanalysisofaDishwasher确定消费电子产品的噪声传递路径以及主要噪声源：洗碗机，洗衣机，冰箱，音响以及电动工具等确定计算机等电子设备的马达/风扇的规格，声振指标等设计原件/外壳/罩子等，减少辐射噪声优化扬声器及手机等等声品质25Copyright©ESIGroup,2010.Allrightsreserved.洗衣机辐射噪声预测三星电子Samsung’sobjectives:1.Usesimulationtounderstandnoisetransferpaths2.ObtainsimulationtooltopredictsystemlevelnoiseatearlydesignstageSEAFECopyright©ESIGroup,2010.Allrightsreserved.小型封闭型发电机噪声预测卡特皮勒公司Caterpillar’sobjectives:1.Predictsystemlevelnoiseofthepowergenerator2.ImproveandoptimizethesoundpackagedesigntoreducetheSPLofradiationCopyright©ESIGroup,2010.Allrightsreserved.船舶工业创建船舶/潜艇/豪华游艇的系统级全船振动噪声模型优化设计，减少水动力及机械噪声对声纳自噪声的影响减少水下声辐射，声隐身信号最小化28Copyright©ESIGroup,2010.Allrightsreserved.船体舱室噪声以及水下声辐射预测ユニバーサル造船株式会社IcebreakerShipInteriorNoiseandUnderwater-RadiatedNoisePredictionCopyright©ESIGroup,2010.Allrightsreserved.OutlineVAOne概述工业应用咨询项目竞争及工作展望Copyright©ESIGroup,2010.Allrightsreserved.长安汽车车内噪声统计能量分析项目汽车声学包开发设计31ArnaudCharpentier,ESIJapan张菁ESIChina潘国昌ESIChinaDriver'sHeadSPLtotalEngineroomTrimcavitiesPanelsTire