重型機(jī)械行業(yè)仿真與試驗(yàn)解決方案

1、SimcenterTM開(kāi)啟預(yù)測(cè)性工程分析重型機(jī)械行業(yè)仿真與試驗(yàn)解決方案重型機(jī)械研發(fā)面臨的挑戰(zhàn)SimcenterTM預(yù)測(cè)性工程分析總結(jié)大綱重型機(jī)械研發(fā)面臨的挑戰(zhàn)SimcenterTM預(yù)測(cè)性工程分析總結(jié)大綱世界在演變從機(jī)械部件到集成了機(jī)械、電子、 控制的智能系統(tǒng)針對(duì)特定應(yīng)用場(chǎng)景的特定需求和創(chuàng)新型設(shè)計(jì)從已知的材料和生產(chǎn)方法到復(fù)合材料和新的生產(chǎn)方法從來(lái)自互聯(lián)網(wǎng)的連接到物聯(lián)網(wǎng)系統(tǒng)挑戰(zhàn)：解決這些工程挑戰(zhàn)不損害市場(chǎng)時(shí)間，質(zhì)量和成本Simcenter實(shí)現(xiàn)預(yù)測(cè)性工程分析從離散的模型和數(shù)據(jù) 到性能數(shù)字雙胞胎 實(shí)現(xiàn)預(yù)測(cè)性工程分析Enabling the Digital Twin of ProductSimcente

2、r for Product Performance ExcellenceBehavioral SimulationVirtual to PhysicalValidationDetailed SimulationTEST1DCFD3D設(shè)計(jì)研發(fā)流程面臨的挑戰(zhàn)設(shè)計(jì)仿真試驗(yàn)驗(yàn)證挑戰(zhàn)：試驗(yàn)&仿真試驗(yàn)數(shù)據(jù)管理11 挑戰(zhàn)：如何在實(shí)物樣機(jī)出來(lái)之前預(yù)測(cè)多學(xué)科產(chǎn)品各項(xiàng)性能22挑戰(zhàn)：如何進(jìn)行產(chǎn)品各項(xiàng)性能驗(yàn)證3挑戰(zhàn)：如何進(jìn)行試驗(yàn)&仿真分析閉環(huán)驗(yàn)證344重型機(jī)械研發(fā)面臨的挑戰(zhàn)SimcenterTM預(yù)測(cè)性工程分析總結(jié)大綱系統(tǒng)工程驅(qū)動(dòng)的產(chǎn)品研發(fā)Enabling “Closed-loop System Driven Prod

3、uct Development” 實(shí)現(xiàn)閉環(huán)系統(tǒng)驅(qū)動(dòng)的正向產(chǎn)品研發(fā)（SDPD）NX/Mentor-系統(tǒng)數(shù)字樣機(jī)SDM、TDM、PLM管理平臺(tái) 多領(lǐng)域的可追蹤性，更改和構(gòu)型管理Simcenter 工具組合 支撐預(yù)測(cè)性工程分析數(shù)字化 雙胞胎探索 分析 - 報(bào)表1D/1維3D/3維Test/試驗(yàn)測(cè)試CFD/流體驗(yàn)證和確認(rèn)系統(tǒng)工程驅(qū)動(dòng)的產(chǎn)品研發(fā)Enabling “Closed-loop System Driven Product Development” 實(shí)現(xiàn)閉環(huán)系統(tǒng)驅(qū)動(dòng)的正向產(chǎn)品研發(fā)（SDPD）NX/Mentor-系統(tǒng)數(shù)字樣機(jī)SDM、TDM 、PLM管理平臺(tái) 多領(lǐng)域的可追蹤性，更改和構(gòu)型管理Simce

4、nter 工具組合 支撐預(yù)測(cè)性工程分析數(shù)字化 雙胞胎探索 分析 - 報(bào)表1D/1維3D/3維Test/試驗(yàn)測(cè)試CFD/流體驗(yàn)證和確認(rèn)Simcenter Solutions for Turbine EnginesEnd-to-End Integrated SolutionsSiemens PLM uniquely provides the most comprehensive set of PLM tools for turbine engine product developmentStructuralNX Modeling (CAD)TeamcenterThermalCFD1D System

5、sDurabilityAcousticsMotionTestMDONX Manufacturing (CAM)MultiphysicsRotor DynamicsServicesSimcenter 3D, Star CCM+, HEEDS, Imagine.Lab, Test.Lab系統(tǒng)工程驅(qū)動(dòng)的產(chǎn)品研發(fā)Enabling “Closed-loop System Driven Product Development” 實(shí)現(xiàn)閉環(huán)系統(tǒng)驅(qū)動(dòng)的正向產(chǎn)品研發(fā)（SDPD）NX/Mentor-系統(tǒng)數(shù)字樣機(jī)SDM、TDM 、PLM管理平臺(tái) 多領(lǐng)域的可追蹤性，更改和構(gòu)型管理Simcenter 工具組合 支撐預(yù)測(cè)性

6、工程分析數(shù)字化 雙胞胎探索 分析 - 報(bào)表1D/1維3D/3維Test/試驗(yàn)測(cè)試CFD/流體驗(yàn)證和確認(rèn)傳統(tǒng)工具DesignSimulation全新工具DesignSimulationSimcenter 3DNX CADSimcenter 3D當(dāng)前設(shè)計(jì)仿真 工作迭代模式初始迭代后續(xù)迭代幾何處理占據(jù)了仿真工作的90%的時(shí)間導(dǎo)入模型修改 /編輯幾何載荷和約束網(wǎng)格劃分通過(guò)先進(jìn)工具的應(yīng)用，設(shè)計(jì)更新的同時(shí)網(wǎng)格模型邊界條件自動(dòng)同步更新，迭代過(guò)程中，幾何處理時(shí)間大幅縮短設(shè)計(jì)仿真一體化分析Simcenter 3D vs. 傳統(tǒng)仿真工具同步建模技術(shù)（直接識(shí)別第三方CAD特征并可編輯）Simcenter 3D VS

7、. 傳統(tǒng)流程Design1Design3Sim0Sim2ReleaseWith simulation driven designThe old wayDesign1Design2Design3Design4Design5Design6Design7Design8Sim1Sim4Sim5Release?Design2Sim1Beat your competitionSim3大眾汽車(chē)部署 “數(shù)字雙胞胎”Simcenter 11快速的建模和迭代過(guò)程，真正實(shí)現(xiàn)仿真驅(qū)動(dòng)設(shè)計(jì)“3小時(shí)的時(shí)間內(nèi), 我們針對(duì)4種不同的設(shè)計(jì)方案進(jìn)行仿真評(píng)估, 并且當(dāng)天下午，我們?cè)O(shè)計(jì)的 方案就被去加工了”Andre Van der

8、 Watt, Chief Technology Officer, VW Group South Africa Motor Division創(chuàng)建汽車(chē)“數(shù)字雙胞胎”最小化建模時(shí)間自動(dòng)實(shí)現(xiàn)從CAD到CAE模型 加速設(shè)計(jì)提升過(guò)程提高模型質(zhì)量和可靠性發(fā)現(xiàn)/導(dǎo)入模型修 改 / 編輯幾何網(wǎng)格劃分載荷和約束設(shè)計(jì)模型分析建模計(jì)算評(píng)估加速的仿真模型創(chuàng)建和模型更新，幫助減少新車(chē)上市周期數(shù)據(jù)管理+ 關(guān)聯(lián)幾何模型+同步建模實(shí)現(xiàn)仿真和設(shè)計(jì)模型實(shí)時(shí)同步加速產(chǎn)品上市系統(tǒng)工程驅(qū)動(dòng)的產(chǎn)品研發(fā)Enabling “Closed-loop System Driven Product Development” 實(shí)現(xiàn)閉環(huán)系統(tǒng)驅(qū)動(dòng)的正向產(chǎn)品

9、研發(fā)（SDPD）NX/Mentor-系統(tǒng)數(shù)字樣機(jī)SDM、TDM 、PLM管理平臺(tái) 多領(lǐng)域的可追蹤性，更改和構(gòu)型管理Simcenter 工具組合 支撐預(yù)測(cè)性工程分析數(shù)字化 雙胞胎探索 分析 - 報(bào)表1D/1維3D/3維Test/試驗(yàn)測(cè)試CFD/流體驗(yàn)證和確認(rèn)結(jié)構(gòu)完整性耐久性Guaranteed life time under realistic loading控制的集成Optimization Mechatronic System EvolutionInnovation in Engineering Process and Solutions Multi-attribute Performanc

10、e Engineering燃油經(jīng)濟(jì)性能量管理Regulations, Fuel Efficiency, Thermal ComfortBe more efficientEnable new insightsMulti-attribute Optimization to support Machine Performance Engineering可操控性 效率Productivity & Reliability, Comfort & Safety振動(dòng) 噪聲Driver Comfort Regulations & ISO CertificationSimcenter 工具組合用于預(yù)測(cè)性工程分析實(shí)

11、現(xiàn)閉環(huán)系統(tǒng)驅(qū)動(dòng)的正向產(chǎn)品研發(fā)1D BehavioralSimulationLMS Imagine.LabLMS Amesim“FMI” InterfaceVirtual to PhysicalLMS Test.Lab3D / CFDSimulationSimcenter 3DNX CAE, LMS Virtual.Lab, LMS Samtech SuiteNX NastranCD-adapcoSTAR-CCM+Scalable 1D - 3D Simulation Incl. Real-Time Virtual to PhysicalThe Aerospace CorporationSiem

12、ens多學(xué)科設(shè)計(jì)仿真技術(shù)實(shí)現(xiàn)1D&3D 多學(xué)科集成虛擬樣機(jī)&集成分析流程30 Libraries4,000 Multi- physics ModelsSimcenter 工具組合用于預(yù)測(cè)性工程分析LMS Imagine.LabOpen & CustomizablePre-DesignSystems Sizing & IntegrationPerformance BalancingControls ValidationIndustryspecificInternal Combustion內(nèi)烯機(jī) Transmission傳動(dòng)系統(tǒng) Thermal Systems熱系統(tǒng) Vehicle Dynamic

13、s車(chē)輛 Electrical Systems電系統(tǒng) Landing Gear & FlightControls起落架&飛控Engine Equipment發(fā)動(dòng)機(jī) Environmental ControlSystems環(huán)控系統(tǒng)Fuel Systems燃油系統(tǒng) Electrical Aircraft電傳飛機(jī) Pumps & Compressors泵和壓縮機(jī)Electro-Hydraulic Valves電液伺服Fluid Actuation Systems流 體作動(dòng)Heat Exchangers熱交換Heat Pumps /Refrigerators熱泵/制冷Scalable Simulatio

14、nConnecting “Mechanical” “Controls”Model reduction for real-timeHydraulics Pneumatics Thermal Electrical Mechanical SignalsProcess & Data ManagementModel-BasedSystem TestingCo-Simulation應(yīng)用案例：Doosan輪式裝載機(jī)的負(fù)載感應(yīng)系統(tǒng)建模與仿真分析結(jié)果曲線AMESim仿真模型系統(tǒng)建模仿真分析輪式裝載機(jī)設(shè)計(jì)驗(yàn)證應(yīng)用案例：挖掘機(jī)整車(chē)能量管理項(xiàng)目總結(jié)：挖掘機(jī)機(jī)構(gòu)的全參數(shù)化建模，增強(qiáng)了模型的通用性建模方法的多樣性，用戶可

15、以有更多的選擇提出了一套完整的液壓多路閥測(cè)試流程，獲取建模參數(shù)提出了一種基于測(cè)量的多路閥計(jì)算方法，具有普遍性采用液壓橋的基本原理搭建復(fù)雜多路閥模型，具有普遍 性制定了可靠的挖掘機(jī)整機(jī)測(cè)試方案，保證了模型相關(guān)參 數(shù)的獲取應(yīng)用案例：燃油經(jīng)濟(jì)性Joy GlobalPredicting mining equipment systems performance and fuel consumptionLimited existing data was sufficientAvoided expensive on-site trial and errorAccurate fuel consumption

16、predictionSource: Anab Akanda, Joy Global Surface Mining Inc, “Application of MBSE on a Hybrid Hydraulic/Electric Mining Shovel Product Development”, Siemens Simcenter Symposium, Troy, Michigan, USA, September 13-14, 2016Predicts performance, fuel consumption and cycle timeDynamic representation of

17、all major electrical & hydraulic systems/sub-systemsRigid-body representation of machine structure (drive-line transmissions, rope)Coupling with C/C+ codes for soil model, power management and hydraulic controlsFuel consumption predictionHydraulic systems modelsNX NastranSimcenter 3DSimcenter頂級(jí)的工具組合

18、應(yīng)用于預(yù)測(cè)工程分析3D 仿真Page 30Simcenter 3DSiemens 3D 仿真產(chǎn)品組合Simcenter 3D 行業(yè)領(lǐng)先仿真方案的集大成者NX NastranNX CAELMS Virtual.Lab, LMS SamtechTeamcenter SimulationNastranManage within Teamcenter TC4SimPLMOpenDirect CAD file import, Standards - .1DCorrelationCo-simulation3D SolutionsTestMotionDynamicsDurabilityMultiphysic

19、sOptimizationStructuresNVH & AcousticsThermalFlow CompositesData & ModelsData &ModelsPre/Post Multi-CAD Editing Meshing AssociativityAssemblies Advanced mid-surfacing quick de-featuring legacy meshesSimcenter 工具組合預(yù)測(cè)性工程完整的閉環(huán)驗(yàn)證解決方案西門(mén)子多學(xué)科設(shè)計(jì)仿真體系A(chǔ)ssemblyAnalysis Set-upAnalysis SolvingMulti Attribute Opti

20、mizationCADMulti-CADPostProcessingStructures(incl. Crash)DurabilityMechanismsAcousticsThermal & FlowStructural DynamicsMeshingMeshModificationNX NastranMany NXN customers are former MSCN or joint customers非線性求解材料非線性超彈材料幾何非線性大變形接觸非線性柔性接觸與剛性接觸接觸自搜索多載荷求解，模擬復(fù)雜非線性過(guò)程非線性靜力學(xué)與非線性動(dòng)力學(xué)預(yù)載荷、預(yù)應(yīng)變預(yù)應(yīng)力模態(tài)分析Rigid bodies

21、 Flexible bodies Tire modelsCo-simulation withcontrolsInterference checking SolutionsSimcenter 3D Simulations MotionMotion動(dòng)力學(xué)應(yīng)用案例：John Deere履帶/輪胎仿真橡膠履帶建模仿真預(yù)測(cè)其機(jī)動(dòng)性能、平順性和其它屬性采用離散履帶模型建?；谠撃Ｐ驮O(shè)計(jì)和驗(yàn)證新型 履帶拖拉機(jī), 8000/9000T目前John Deere公司正采用該模型進(jìn)行設(shè)計(jì)改進(jìn)Simulation validated against field tests show good correlationO

22、perational scenarios from historical field tests and customer use are replicated in simulation應(yīng)用案例：板簧建模模板應(yīng)用專用板簧建模模板卡車(chē)客車(chē)微車(chē)鋼板彈簧建模是車(chē)輛動(dòng)力學(xué)仿真中的難點(diǎn)鋼板彈簧是普遍采用的一種懸架形式。VL Motion模板考慮了板簧的幾何參數(shù)，材料特性， 及各片之間的接觸力和摩擦力TravelForceSimulation MeasurementMotionStar CCM+ CouplingPrevious scenarioLoad approximation on soil co

23、ntacting componentsUse of test data limited to single maneuverLMS Virtual.Lab and Star CCM+ couplingCo-Simlulatoin between LMS Virtual.Lab Motion and Star CCM+Leverage LMS Virtual.Lab Genric Co- Simulation interface and Star CCM+ Multibody Dynamics Coupling InterfaceHigh Fidelity simulations to incl

24、ude soil/mechanism interaction for accurate loading throughout the complete systemBest of Both WorldsLMS Virtual.LabMotion Completely Integrated multi- body solutionStar CCM+ State-of-the-art Discrete Element modeling剛?cè)狁詈霞夹g(shù)應(yīng)用直接導(dǎo)入第三方柔性體網(wǎng)格柔性體縮減試驗(yàn)柔性體及混合仿真Combined simulation of excavator dynamic behavio

25、rLiebherr GroupStepping beyond prototyping無(wú)需昂貴的物理樣機(jī)就可以進(jìn)行系統(tǒng)性能分析選擇最優(yōu)設(shè)計(jì)方案，以防止反彈，提高 產(chǎn)品可靠性節(jié)省時(shí)間和經(jīng)濟(jì)成本，提升Liebherr的 強(qiáng)大競(jìng)爭(zhēng)力Model in Simcenter 1DVisualization in Simcenter 3DUse LMS Imagine.Lab Amesim together with Simcenter 3D motion capabilitiesSimulate several system versions, including diverse mechanical sy

26、stems“The design table functionality is extremely helpful for changing the mechanical system very easily and quickly using LMS Virtual.Lab Motion.”Martin Bueche, Head of Calculation and Simulation DepartmentOperability & EfficiencyProductivity & Reliability, Comfort & Safety應(yīng)用案例：1D&3D聯(lián)合Sprayer Boom

27、stabilizer optimization（ John Deere ）ChallengeOptimize control algorithm of Sprayer boom stabilization systemCouple components into a single high fidelity simulationControlsHydraulicMechanicalImproved designs increases tractor productivity and reliabilitySolutionAMESim - boom actuationMatlab - boom

28、height controls algorithmMotion - mechanical boom modelResult:A combined high fidelity model and procedure to:Be used early in product development cyclesReduce need of physical prototypesbeforeafter應(yīng)用案例：多軸氣油氣懸架與整車(chē)集成耦合仿真分析Motion+AMESim+Motion TWR將VL Motion的多軸車(chē)模型與AMESim油氣懸架模型進(jìn)行聯(lián)合仿真以試驗(yàn)得到的軸頭垂向加速度作為目標(biāo)，運(yùn)用

29、Motion TWR迭代路面不平度激勵(lì)，基于迭代結(jié)果計(jì)算系統(tǒng)的振動(dòng)響應(yīng)，從而進(jìn)一步改進(jìn)設(shè)計(jì)方案駕駛室座椅振動(dòng)響應(yīng)油氣懸架輸出載荷試驗(yàn)得到的路面不平度輸入Motion TWR在工程機(jī)械的應(yīng)用LMSVirtual.Lab Motion solverIterative Controller TWRCustomer challengeCalculate durability loads in realistic circumstancesBased on limited TEST dataSolutionLMS Virtual.Lab Motion-TWRBenefitAvoids difficult

30、modeling of agriculture tire and soilAllows to apply TEST data on CAE model in realistic mannerFrom TESTCo-simulationTo realistic component loads SIMUAvoid tire & soil modelingManeuvers:Ditch crossing (90 and 45 deg)Rumble StripsRailroad crossingTwist bumpsLATIONLMS疲勞耐久性的完整解決方案從試驗(yàn)到仿真LMS耐久性研發(fā)中心：德國(guó) 凱澤

31、斯勞滕提供試驗(yàn)、仿真、工程咨詢服務(wù)耐久性試驗(yàn)解決方案SCADAS Durability RecorderLMS TecWare耐久性仿真解決方案LMS Virtual.Lab Durability載荷分解：多體動(dòng)力學(xué)仿真LMS Virtual.Lab Motion臺(tái)架耐久性試驗(yàn) 時(shí)域波形再現(xiàn)TWR+ISTAcquisitionAnalysisShaker testingSimulationSign-offSimcenter Durability/LMS Virtual.Lab Durability專業(yè)的疲勞仿真軟件高周疲勞分析（SN，EN）低周疲勞分析（EN）無(wú)限壽命分析多軸疲勞分析（臨界平面

32、法）焊點(diǎn)疲勞分析焊縫疲勞分析振動(dòng)疲勞分析熱疲勞分析復(fù)合材料疲勞系統(tǒng)級(jí)疲勞分析多工況疲勞分析FALANCS疲勞求解器， 三十多年的歷史，在歐洲 有廣泛的應(yīng)用。焊縫疲勞 LMS International08.06.2018LMS helps Liebherr Excavators on improving the fatigue assessment of large weldstructuresSeveral hundred seam welds Many variantsComplex geometryNew improved seam weld detection Adapted nomi

33、nal stress approach Automatic handling“The new seam weld detection in Rev 11 helps us to perform the seam weld analysis of our structures faster”Guillaume ELBEL, Responsable Groupe calculs EF et dure de vie LIEBHERR-FranceSAS支持所有焊縫類型自動(dòng)搜索和識(shí)別，并且自動(dòng)定義幾何屬性熱疲勞LMS熱疲勞解決方案為工程上熱疲勞分析提供切實(shí)可 行的方法傳統(tǒng)的粘彈性彈塑性力學(xué)分析方法要求

34、輸入很多，且 求解速度很慢，不適用于工程應(yīng)用。兼顧精度和效率綜合考慮機(jī)械載荷與熱載荷依賴溫度的材料特性曲線（S-N曲線、E-N曲線等）溫度相關(guān)的應(yīng)力狀態(tài)考慮溫度變化、高溫對(duì)耐久性的影響：熱應(yīng)力、對(duì)材料 特性的影響、應(yīng)力應(yīng)變循環(huán)、蠕變疲勞典型應(yīng)用汽車(chē)發(fā)動(dòng)機(jī)疲勞分析 動(dòng)力總成疲勞分析 進(jìn)排氣系統(tǒng)疲勞分析 航空發(fā)動(dòng)機(jī)疲勞分析系統(tǒng)級(jí)疲勞分析流程應(yīng)用案例John DeereModel courtesy of Deere PEC常用裝載工況下應(yīng)力等級(jí)和疲勞熱點(diǎn)應(yīng)用案例：天工院挖掘機(jī)斗桿系統(tǒng)級(jí)疲勞項(xiàng)目背景：某款挖掘機(jī)在使用過(guò)程中斗桿出現(xiàn)明 顯的疲勞損傷問(wèn)題，通過(guò)仿真復(fù)現(xiàn)問(wèn)題，優(yōu)化設(shè) 計(jì)。關(guān)鍵技術(shù)在Motio

35、n 中創(chuàng)建挖機(jī)多體動(dòng)力學(xué) 模型；將斗桿柔性化；通過(guò)多體計(jì)算得到斗桿上載荷。 通過(guò)系統(tǒng)級(jí)疲勞方式傳遞到 Durability中；在Durability中進(jìn)行斗桿鈑金件 疲勞損傷分析，熱點(diǎn)位置和實(shí)際 破壞位置吻合；在Durability中利用最新的實(shí)體 焊縫探測(cè)技術(shù)，探測(cè)出斗桿上實(shí) 體焊縫；對(duì)實(shí)體焊縫進(jìn)行了焊縫疲勞損傷 分析；SIEMENS 齒輪系統(tǒng)多學(xué)科分析解決方案有限元分析與柔性體建模 Virtual.Lab Structure疲勞耐久性分析 Virtual.Lab Durability變速箱振動(dòng)與噪聲分析 Virtual.Lab NVH/Acoustics變速箱動(dòng)力學(xué)與載荷分析 Virtua

36、l.Lab Motion有限元與試驗(yàn)相關(guān)性分析 Virtual.Lab Correlation變速箱換檔執(zhí)行與控制系統(tǒng) Imagine.Lab AMESim聯(lián)合仿真集成集成集成集成應(yīng) 用 案 例 ： ELASIS 使用Motion進(jìn)行系統(tǒng)級(jí)振動(dòng)噪聲分析測(cè)試模型CAE 模型Virtual.Lab NVHVirtual.Lab Acoustic MeshCoarseningVirtual.Lab Acoustics/ATVOptimization測(cè)試/仿真相關(guān)性分析載荷計(jì)算Transmission Error載荷時(shí)域載荷頻域Virtual.Lab Motion Virtual.Lab NVHVIB

37、RO-ACOUSTIC OPTIMIZATION工作載荷通過(guò)測(cè)試獲取 (TPA / ASQ) 通過(guò)仿真獲取 (Multi-Body)仿真模型有限元模型/邊界元模型/多體模型子結(jié)構(gòu)綜合系統(tǒng)級(jí)響應(yīng) 噪聲振動(dòng)疲勞測(cè)試模型模態(tài)結(jié)果/傳函結(jié)果混合建模振動(dòng)噪聲仿真分析響應(yīng)及貢獻(xiàn)量分析Which Panel?What shape? (ODS)Problem frequencyWhich Path?Which Mode?全頻段聲振仿真分析解決方案 Scope 問(wèn)題分類管路/純聲學(xué)問(wèn)題進(jìn)排氣消聲器隔聲屏振動(dòng)聲學(xué)及其耦合問(wèn)題振動(dòng)聲輻射問(wèn)題 & 聲振耦合問(wèn)題流體聲學(xué)問(wèn)題管路內(nèi)外流場(chǎng)聲學(xué)問(wèn)題大規(guī)模高頻聲學(xué)問(wèn)題大尺度/

38、高頻聲學(xué)問(wèn)題艙內(nèi)聲學(xué)仿真Example: Tractor cabin structure borne noiseVibro-acoustic simulationStructural FE model of cabin wallsFEM/BEM mesh of cavityStructural loading at cabin= velocity distribution at cabin walls= input for acoustic calculationCalculated interior cabin noise隔聲罩設(shè)計(jì)STAR-CCM+Simcenter Portfolio f

39、or Predictive Engineering AnalyticsSTAR-CCM+MultiphysicsFluid Dynamics Solid MechanicsFluid-structure InteractionHeat Transfer Particle Flows Reacting Flows Multiphase Electrochemistry Electromagnetics Acoustics RheologyCNH IndustrialSimulation helps design better off-highway vehicles“ In the past f

40、ew years, CFD has become very important to us, especially in helping us to design products that meet and exceed the requirements on new emissions regulations.”Luc Dupon, Senior Design AnalysisEnable direct model of cropprocessing and management.Predict and explore thermal cooling performance under d

41、ifferent environment/wind conditionsReduce harmful emissionsThermal cooling performanceSimulation plays a central role in off-highway vehicle designDEM looking at spray from back of harvesterDEM capability of Star CCM+ to enable accurate modeling of crop processingUse thermal capabilities to help in

42、 the design of more efficient cooling systemsFuel Economy & Energy ManagementRegulations, Fuel Efficiency, Thermal Comfort重型機(jī)械產(chǎn)品設(shè)計(jì)流程系統(tǒng)級(jí)建模液壓作動(dòng)系統(tǒng)詳細(xì)3D建模詳細(xì)仿真模型 機(jī)構(gòu)/有限元部件詳細(xì)載荷分析與識(shí)別提高模型詳細(xì) 程度IncreasingModel DetailsIncreasing Model DetailsIncreasingModel Details部件強(qiáng)度分析部件結(jié)構(gòu)優(yōu)化Simcenter頂級(jí)的工具組合應(yīng)用于預(yù)測(cè)工程分析HEEDS設(shè)計(jì)探索實(shí)時(shí)

43、仿真 一維，三維結(jié)合實(shí)現(xiàn)人在環(huán)(模擬器) 前置控制工程虛擬驗(yàn)證應(yīng)用案例：約翰迪爾1D&3D半實(shí)物HIL1D&3D耦合實(shí)時(shí)流程LMSSCADASLMS Test.LabSimcenter 工具組合用于預(yù)測(cè)性工程分析LMS Test.Lab & LMS SCADAS西門(mén)子實(shí)物試驗(yàn)應(yīng)用示例結(jié)構(gòu)/振動(dòng)試驗(yàn)聲學(xué)試驗(yàn)環(huán)境試驗(yàn)/振動(dòng)控制旋轉(zhuǎn)機(jī)械疲勞試驗(yàn)工程機(jī)械振動(dòng)噪聲Exterior NoiseDirective 2000/14/ECInterior NoiseDirective 2003/10/ECVibrationDirective 2002/44/ECTransmission/AxlesHydraulicsystemEngineCoolingsystemTiresRegulations & StandardsNVH EngineeringMinimize Noise &Vibration transmissionCabin noiseSiemens Off-highway Sound Power & Cabin Noise CertificationIncrease testing efficiency and reduce costExterior NoiseCabin NoiseHidromekPerforming human body vibratio