1、Simcenter 3D振動噪聲解決方案詹福良 博士 2017-10-11 TEL:西門子數字化工廠內容提綱Unrestricted © Siemens AG 2016Page 2Siemens PLM Softwareq 概述-聲學做什么q 軟件組成-功能q 應用案例-航空、航天、船舶內容提綱Unrestricted © Siemens AG 2016Page 3Siemens PLM Softwareq 概述-聲學做什么q 軟件組成-功能q 應用案例-航空、航天、船舶3D Simulation Acoustic SolutionsScope分的改進設計的聲學散射消聲性能

2、/傳遞損失聲場指向性Unrestricted © Siemens AG 2016Page 4Siemens PLM SoftwareSimcenter 11: Interior & EXTERIOR Acoustics Simcenter 12: Key Version to start LMS Virtual.Lab Replacement質Predicting, Analyzing, Improving, OptimizingVibro-Acoustics performance using 3D simulation.3D Simulation Acoustic Sol

3、utionsScope 應用分類Page 5Siemens PLM Software管路/純聲學問題進排氣隔聲屏振動聲學及其耦合問題振動聲輻射問題 & 聲振耦合問題流體聲學問題管路內外流場聲學問題大規模高頻聲學問題大尺度/高頻聲學問題Unrestricted © Siemens AG 201內容提綱Unrestricted © Siemens AG 2016Page 6Siemens PLM Softwareq 概述-聲學做什么q 軟件組成-功能q 應用案例-航空、航天、船舶低頻建 模 分高頻析 困 難 程 度Unrestricted © Siemens

4、AG 2016Page 7Siemens PLM Software建 模 分 析 困 難 程 度純聲學分析聲振耦合分析聲學有限元FEM聲線法Ray-Acoustics聲學邊界元BEM結構FEM +聲學有限元FEM結構FEM +聲學邊界元BEM統計能量法SEA結構有限元（NX NASTRAN, LMS SAMCEF,LMS Virtual.Lab .）全頻段振動噪聲仿真需求Simcenter 3D Acoustics CapabilitiesTechnology viewpointUnrestricted © Siemens AG 2016Page 8Siemens PLM Softw

5、areBoundary Element MethodAcoustics domain by surface elementsExterior enables efficient meshingFinite Element MethodAcoustics domain by 3D, volumetric elementsFor Interior and/or Exterior enables fast solvingSimcenter 3D Acoustics CapabilitiesTechnology viewpoint§ 碰撞沖擊等瞬態噪聲問題：TD-BEM§ 高頻純聲

6、學和聲品質分析、環境聲學分析：Ray-AcousticsUnrestricted © Siemens AG 2016Page 9Siemens PLM SoftwareSEAVirtSEA+SEA TestSEA ShockSEA FoamUnrestricted © Siemens AG 2016Page 10Siemens PLM SoftwareSimcenter 3D Acoustics CapabilitiesTechnology viewpointSimcenter 3D Acoustics CapabilitiesTechnology viewpointUnr

7、estricted © Siemens AG 2016Page 11Siemens PLM Software綜合利用“測試準確快捷、靈活方便”的優勢，有效解決工程問題！Operating LoadsFrom Measurements (TPA / ASQ) From Simulation (Multi-Body)System Response NoiseVibration FatigueHybrid SynthesisTest-Based MsModal Analysis / FRF MsNumerical MsFinite Element / Boundary Element /

8、Multi- BodyA “Hybrid” mis a full performance mcomposed of:Simcenter 3D Acoustics CapabilitiesTechnology viewpointUnrestricted © Siemens AG 2016Page 12Siemens PLM SoftwareLMS Virtual.Lab 平臺全頻段振動噪聲解決方案§LMS Virtual.Lab Desktop 桌面§ LMS Virtual.Lab 運行環境LMS Virtual.Lab Structures 結構§ 通

9、用有限元前后處理LMS Virtual.Lab Motion 多體動力學§ 運動學/動力學LMS Virtual.Lab Durability 疲勞§ 強度和疲勞分析LMS Virtual.Lab Acoustics 聲學§ 聲學分析LMS Virtual.Lab Noise & Vibration 系統振動噪聲LMS Virtual.Lab§LMS SEA+§§高頻振動噪聲模塊InterAC合作SEA§§§VL Integrated Samcef LinearNX Nastran Boundle

10、d Solver§§§§§ 系統級振動噪聲和混合建模§LMS Virtual.Lab Correlation 相關性分析模型校驗§LMS Virtual.Lab Optimization 優化§ LMS Virtual.Lab集成數值優化技術§LMS Virtual.LabLMS Virtual.Lab Structures專項屬性分析（聲學、聲振、多體、疲勞、Analysis definitionSolverDrivingPost-MeshingCADPre-processing相關性)Processi

11、ngUnrestricted © Siemens AG 2016Page 13Siemens PLM SoftwareSEA+優化OptimizationMotionDurabilityNoise & VibrationCorrelationAcousticsStructuresDesktopSimcenter 3D 平臺NX Nastran全集成的企業級振動噪聲解決方案NX Nastran Advanced31k$Unrestricted © Siemens AG 2016Page 14Siemens PLM SoftwareNX Nastran Basic31k

12、$Simcenter Engineering Desktop20k$NX Nastran Dynamic Response10k$Simcenter Acoustics BEM Solver(Direct and indirect; weakly coupled)30 k$NX Nastran Acoustics15k$Simcenter Environment for Nastran5 k$SimcenterStructures27k$Enterprise Solver add-onSimcenter Correlation/ MUpdatingSC30527/8Simcenter Nois

13、e and Vibration MingSC30596SimcenterAcoustics Ming (convex meshing, wrapping, BEM environment: infinite plane,.)11.5 k$內容提綱Unrestricted © Siemens AG 2016Page 15Siemens PLM Softwareq 概述-聲學做什么q 軟件組成-功能q 應用案例-航空、航天、船舶Unrestricted © Siemens AG 2016Page 16Siemens PLM Software發不平衡噪聲機體氣動噪聲螺旋槳推進器噴

14、氣推進器應用概覽航空工業壁板隔聲傳遞損失環控系統傳遞損失艙內噪聲Ramp noise停機坪噪聲LMS Virtual.Lab MotionOptimizes mechanical systems, while reducing weight andimproving reliabilityTightly integrates with CATIA V5 and front loads simulation to early developmentLMS Virtual.Lab Structures§Integrates and streamlines FE pre- en post-

15、processing functions in V5Advanced mesh editing capabilities support quick conceptanalysis§LMS Virtual.Lab Acoustics§Simulates cabin interior acoustics and aircraft exteriornoise (STL of composite Panels)LMS Virtual.Lab delivers mission-critical virtualsimulation applications fully integra

16、ted with CATIA V5Unrestricted © Siemens AG 2016Page 17Siemens PLM SoftwareBoeing Commercial Aircraft implemented LMS Virtual.Lab fordevelopment of 787 DreamlinerBoeing uses LMS simulation solutions to optimize aircraft cabin acoustics§ Predicting acoustic properties of new cabin configurat

17、ions allows Boeing Commercial Airplane to explore cabin design derivatives and to refine the design prior to expensive physical testing§ Boeing uses acoustic ms coupled to structuralmethods to predict low-frequency noise caused by engine vibration and other sources“Boeing uses LMS SYSNOISE to p

18、redict the acoustic characteristics of a specific cabin design, so that design changes can be made prior to the initial prototype.”Unrestricted © Siemens AG 2016Page 18Siemens PLM SoftwareHawker Beechcraft designs quiet turboprops with LMS Virtual.Lab vibro- acoustics toolsChallenge: turboprops

19、 create propellor noise while aircraft cabin quietness is a major customer satisfaction issue in general aviation. The goal is to arrive at the overall quietest aircraft design with the least weight and cost.Solution: A three-step process using LMS Virtual.Lab vibro-acoustics toolshelps determine an

20、d improve interior cabin noise.ROI: Predicting sound levels and evaluating noise-abatement strategies early in development helps reduce cabin noise by half and reduce flight testing 60 percent“Simulation with LMS vibro-acoustics lets us try different noise treatment combinations to find an optimal s

21、olution. Performing these studies early in development gives us the freedom to explore dozens of alternatives in a few hours versus the weeks required for just a single modification with physical testing.”Dr. Indranil Dandaroy, Principal Acoustics Engineer at Hawker BeechcraftUnrestricted © Sie

22、mens AG 2016Page 19Siemens PLM SoftwareEADS selects LMS Virtual.Lab Acoustics in support of aerospace research activitiesEADS CRC-G selected LMS Virtual.Lab Acoustics to perform simulations on theinterior and exterior noise of new aircraft designs.The EADS research team valued the coverage of the co

23、mplete simulation process in a single user environment.EADS CRC-G chose for the value-based licensing system of LMS Virtual.Lab. This allows to easily cover their wide variety of simulation needs, without having to reinvest in new software licenses.“Weve benefited from specific steps of the optimize

24、d process flow of running the solver and post- processing the simulation results. Through the integration, Virtual.Lab Acoustics can free up valuable engineering time in our research group to interpret and analyze simulation results, and to refine and optimize our designs.”Arno Röder, Manager A

25、coustics TechnologiesEADS CRC-GUnrestricted © Siemens AG 2016Page 20Siemens PLM SoftwareHybrid Simulation at Airbus: a Proven Industrial ProcessUnrestricted © Siemens AG 2016Page 21Vibroacoustic Ming of Turbopropeller Cabin NoiseSENER and Airbus MilitaryChallenge Interior noise in military

26、 aircraft becomes more important e.g. for maritime patrol missions which cannot be expose to too high noise levels continuously.Solution Virtual.Lab BEM or FEM allows for full vibro-acoustic prediction of aircraft section.Sources are propagated from propellor to the fuselage using BEM technologyResu

27、lt: Very accurate results for both exterior noise levels, vibration levels and interior acoustic levelsResulting in better understanding how to make the cabin quieterUnrestricted © Siemens AG 2016Page 22Siemens PLM SoftwareInstallation effects in AirbusInvestigation of Installation effects: Ref

28、lections on the horizontal tail and the fuselage Wing and fuselage shielding Pressure loading on the fuselage (interior noise)à Fast-Multipole BEM solver for ultra-large msUnrestricted © Siemens AG 2016Page 23Siemens PLM SoftwareSEA+: a supportive tool for high freq. NV in AirbusAirbus A38

29、0Cockpit Cabin Noise & Vibration ApplicationUnrestricted © Siemens AG 2016Page 24Siemens PLM SoftwareMultiple Sources Multiple Paths Full FrequencyMultiple operating conditionsMultiple Levels Location in aircraftWorks with global propertiesLMS Virtual.Lab Helps Chinas First Aircraft Institu

30、te of AVIC-1 Develop New Regional Jet§First Aircraft Institute (FAI) of AVIC-1 deployed multiple licenses of LMS Virtual.Lab simulation suite to support the design and engineering of the Advanced Regional Jet Program, ARJ21.FAI deployed§§§§§LMS Virtual.Lab Structures fo

31、r finite-element pre- and post-processing driving external solvers LMS Virtual.Lab Motion for the dynamic performance simulation of components and subsystems LMS Virtual.Lab Acoustics for interior and exterior noise analysisLMS Virtual.Lab Optimization for the automated design evaluation“The impleme

32、ntation of LMS Virtual.Lab allows us to perform more design iterations, optimize our designs much earlier in the process, and greatly shorten the overall development cycle.”Dr. Ning Zhen Bo, Vice President of Engineering at FAIUnrestricted © Siemens AG 2016Page 25Siemens PLM Software艙內噪聲目標設定COM

33、AC 640所C919項目C919飛機壁板噪聲防護設計Acoustic FEM mesh, valid up to 2 kHz 171500 nodesIncluding blanket representationStructural mof exterior and interior panelField point mesh representing 9 passenger ear locationsVATV method for efficient calculationUnrestricted © Siemens AG 2016Page 27Siemens PLM Soft

34、wareC919 ECS 外場噪聲PS項目Unrestricted © Siemens AG 2016Page 28Siemens PLM SoftwarePanel Transmission Loss Industry Relevance Aerospace§Aircraft Fuselage has to attenuate energy from different types of loads§§§§Turbulent Boundary Layer Noise Jet Engine Exhaust Shock Cells Fa

35、n Inlet NoiseAirframe Noise (eg landing Gear)UnrestrictedPage 29Siemens PLM SoftwareValidation Case: BOEINGPage 30Siemens PLM SoftwareBARE panel TL.Test versus SimulationTRIMMED panel TL. Test versus Simulation主流NVH應用 壁板隔聲（EADS）Unrestricted © Siemens AG 2016Page 31Siemens PLM SoftwareCPU time30

36、 sec / freq高級NVH應用 機體氣動噪聲（Bridge項目）AVIC科技委：總體力學所： CFD： 優化德國LMS： Optimus集成、FM-BEM EADS： FM-BEMAVIC 601： 網格 、氣彈COMAC： 總體氣動北航： 超算中心Unrestricted © Siemens AG 2016Page 32（COMAC APU）航學聲學算法方面最先進，FEM-PML/AML有限元無反射匹配層技術取代過時的IFEM無限元技術 極大縮減發聲學建模的模型尺度，從而提高計算效率； 去掉IFEM每個模型只能有一個的局限，所以可以同時模擬內外涵 道的噪聲問題；Unrestr

37、icted © Siemens AG 2016Page 33Siemens PLM Software無人機排氣Unrestricted ©Page 34Siemens PLM SoftwareAircraft Fly-Over Noise - Noise ContributionsUnrestricted © Siemens AG 2016Page 35Landing GearWingEngineAirframe NoiseFlow NoiseEngine NoiseAircraft noiseAircraft Fly-Over-Noise -Ray-Acoust

38、ics Mw/o ground reflectionw/ ground reflectionFly-Over Noise w/ and w/o reflectionscapturing the interference between direct & reflected sound, and how it shifts with timeUnrestricted © Siemens AG 2016Page 36Siemens PLM SoftwareRandom Acoustics FatigueFEA Random VA Acoustic Fatigue某鉚接板件聲激勵作

39、用下的最大絕對應力分布和聲疲勞分析UnrestPage 37某開孔板件聲激勵作用下的應力分布和聲疲勞分析Siemens PLM Software沈航沙云東教授Unrestricted © Siemens AG 2016Page 38Siemens PLM Software飛機進氣道聲疲勞Inst6XX & 6XX + LMS電子XX所光學設備聲疲勞分析Unrestricted © Siemens AG 2016Page 39Siemens PLM SoftwareNVM & Correlation 普及和推廣Unrestricted © Sieme

40、ns AG 2016Page 40應用概覽航天工業Unrestricted © Siemens AG 2016Page 41Siemens PLM Software模擬飛行器儀表艙內振動-噪聲環境模擬有效載荷在試驗室發射條件下的振動響應模擬星-箭分離產生的沖擊響應模擬飛行器在邊界條件下在儀表艙產生的聲環境- 標準混響試驗室工況- 實際起飛、飛行工況在寬頻隨機信號下的聲激振動和應力- 標準混響試驗室工況- 實際起飛、飛行工況模擬分離時高頻、瞬態信號下的響應- 地面驗證試驗工況- 實際運行工況ESTEC/JPLUnrestricted © Siemens AG 20Page 4

41、3Siemens PLM Software高頻SEA+應用ChallengeDuring its mission, the SMART1 payload endures severalimpulsive shock loading eventsStructural response should remain within limits.Upfront simulation is used to guarantee this, but is challenging as simulations need to go to 50 kHzSolution Vibro-Acoustic High F

42、requency SEA SimulationInput Power Ms tailored for typical pyrotechnic events:pyrozip and clampband separationResulting Shock Response Spectrum is assessed on the satellitestructureEnablers: InterAC SEA+, SEAShock, SEAVirtResult: Customer is able to assess the impact of typical pyrotechnic events du

43、ring the spacecrafts mission and reinforce the structure if neededUnrestricted © Siemens AG 2016Page 44Siemens PLM SoftwarePrediction of Shock response spectrum due to shock loads with dedicated softwareApplication of LMPR to payloads using SEA-Shock software (ESA-2007) Prediction of SMART1 cla

44、mpband and pyroshock test Prediction of VEGA upper part clampband and pyroshock testX+Wall SRS predicted by LMPR (in thick red with bare panel velocity and thick brown for mass corrected bare velocity) and SRS computed from SHOGUN measured responsesSRS prediction (red and blue)/tests results on equi

45、pment platform for AVUM stage separation for VEGA systemUnrestricted © Siemens AG 2016Page 45Siemens PLM SoftwareOptimizing the J-2X Rocket Engine Nozzle for side wall loading using LMS Test and Simulation SolutionsAt the Marshall Space Flight Center, Test.Lab Modal Ms weremeasured and coupled

46、in LMS Virtual.Lab to come up with theassembly system response m.With this m, nozzle side wall loads were identified using aninverse load identification technique based on the response PSD atseveral nozzle locations.Having a system response mavailable in LMS Virtual.Lab,assembly modifications could

47、be evaluated quickly to improve thestructural dynamic nozzle response for side wall loadingUnrestricted © Siemens AG 2016Page 46Siemens PLM SoftwareAlenia Spazio optimizes noise and vibration performance of space systems using LMS solutionsAs part of its design and development process, Alenia S

48、pazio uses LMS SYSNOISE to predict the vibro-acoustic performance of space systemsThe high levels of correlation between predicted and measured vibro-acoustic transfer functions illustrated the reliability of LMS SYSNOISE“Alenia Spazio developed an integrated test/simulation process, which allows me

49、eting the tightest micro-gravity and vibro-acoustic requirements inside manned space vehicles.”Unrestricted © Siemens AG 2016Page 47Siemens PLM SoftwareThe Boeing Company assessesInternational Space Station (ISS) Interior NoiseChallengeISS interior is acoustically lowly damped Risks of payload

50、“noise accumulation”Risk to damage astronauts hearing by continuous noiseSolution Acoustic simulation of ISS Interior Noise using Virtual.Lab Acoustic RayTracingBased on Payload developer and Rack integrator verification dataResult: Simulation Results have been validated with ISS in-flight acoustic

51、experiments èexcellent matchSimulation results are used to produce overall Element-Level Engineering Analysis Report which is used for Safety Analysis.Unrestricted © Siemens AG 2016Page 48Siemens PLM SoftwareESA/ESTEC: Test capabilities combined with CAE services§ New quad head expand

52、er shaker installation:§ Numerical mdevelopment for “Virtual Testing” in parallel with physical realization of new test facility§§§Seismic mass ShakersVertical guiding systemTable§© ESA© ESAUnrestricted © Siemens AG 2016Page 50Siemens PLM SoftwarePayload bendi

53、ng mode couples with table rocking modeM. Appoloni & A. Cozzani. Virtual testing simulation tool for the new quad head expander electrodynamic shaker. In Proceedings of the 6th International Symposium on Environmental Testing for the Space Programmes, ESA/ESTEC, Noordwijk, The Netherlands, 12 14

54、 June 2007.航天整流罩振動噪聲Unrestricted © Siemens AG 2016Page 51案例航天：“全頻段隨機聲振分析技術應用項目”虛擬隨機振動試驗虛擬噪聲環境試驗虛擬沖擊試驗Unrestricted © Siemens AG 2016Page 52Siemens PLM Software西交大閆桂榮教授Unrestricted © Siemens AG 2016Page 53Siemens PLM SoftwareNVM & Correlation 普及和推廣Unrestricted © Siemens AG 2016Page 54Siemens PLM Software應用概覽船舶工業Unrestricted © Siemens AG 2016Page 55Siemens PLM Software發聲振進排氣聲振傳遞，船員和乘客的舒適性設計發、動力總成的輻射通過或隔聲罩設計遮蔽風機、發結構聲及空氣聲在船體內的：機械目標的設定，設備懸置的優化，吸（隔） 聲設計聲功率噪聲艦船結構輻射噪聲螺旋槳推進器噪聲散射聲納設計并減少船體的噪聲輻射流體引起的噪聲