sc3振动噪声仿真解决方案詹a d partertraining

1、Simcenter 3D振动噪声解决方案詹福良 博士 2017-10-11 TEL:西门子数字化工厂内容提纲Unrestricted © Siemens AG 2016Page 2Siemens PLM Softwareq 概述-声学做什么q 软件组成-功能q 应用案例-航空、航天、船舶内容提纲Unrestricted © Siemens AG 2016Page 3Siemens PLM Softwareq 概述-声学做什么q 软件组成-功能q 应用案例-航空、航天、船舶3D Simulation Acoustic SolutionsScope分的改进设计的声学散射消声性能

2、/传递损失声场指向性Unrestricted © Siemens AG 2016Page 4Siemens PLM SoftwareSimcenter 11: Interior & EXTERIOR Acoustics Simcenter 12: Key Version to start LMS Virtual.Lab Replacement质Predicting, Analyzing, Improving, OptimizingVibro-Acoustics performance using 3D simulation.3D Simulation Acoustic Sol

3、utionsScope 应用分类Page 5Siemens PLM Software管路/纯声学问题进排气隔声屏振动声学及其耦合问题振动声辐射问题 & 声振耦合问题流体声学问题管路内外流场声学问题大规模高频声学问题大尺度/高频声学问题Unrestricted © Siemens AG 201内容提纲Unrestricted © Siemens AG 2016Page 6Siemens PLM Softwareq 概述-声学做什么q 软件组成-功能q 应用案例-航空、航天、船舶低频建 模 分高频析 困 难 程 度Unrestricted © Siemens

4、AG 2016Page 7Siemens PLM Software建 模 分 析 困 难 程 度纯声学分析声振耦合分析声学有限元FEM声线法Ray-Acoustics声学边界元BEM结构FEM +声学有限元FEM结构FEM +声学边界元BEM统计能量法SEA结构有限元（NX NASTRAN, LMS SAMCEF,LMS Virtual.Lab .）全频段振动噪声仿真需求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§ 碰撞冲击等瞬态噪声问题：TD-BEM§ 高频纯声

6、学和声品质分析、环境声学分析：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综合利用“测试准确快捷、灵活方便”的优势，有效解决工程问题！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 平台全频段振动噪声解决方案§LMS Virtual.Lab Desktop 桌面§ LMS Virtual.Lab 运行环境LMS Virtual.Lab Structures 结构§ 通

9、用有限元前后处理LMS Virtual.Lab Motion 多体动力学§ 运动学/动力学LMS Virtual.Lab Durability 疲劳§ 强度和疲劳分析LMS Virtual.Lab Acoustics 声学§ 声学分析LMS Virtual.Lab Noise & Vibration 系统振动噪声LMS Virtual.Lab§LMS SEA+§§高频振动噪声模块InterAC合作SEA§§§VL Integrated Samcef LinearNX Nastran Boundle

10、d Solver§§§§§ 系统级振动噪声和混合建模§LMS Virtual.Lab Correlation 相关性分析模型校验§LMS Virtual.Lab Optimization 优化§ LMS Virtual.Lab集成数值优化技术§LMS Virtual.LabLMS Virtual.Lab Structures专项属性分析（声学、声振、多体、疲劳、Analysis definitionSolverDrivingPost-MeshingCADPre-processing相关性)Processi

11、ngUnrestricted © Siemens AG 2016Page 13Siemens PLM SoftwareSEA+优化OptimizationMotionDurabilityNoise & VibrationCorrelationAcousticsStructuresDesktopSimcenter 3D 平台NX Nastran全集成的企业级振动噪声解决方案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$内容提纲Unrestricted © Siemens AG 2016Page 15Siemens PLM Softwareq 概述-声学做什么q 软件组成-功能q 应用案例-航空、航天、船舶Unrestricted © Siemens AG 2016Page 16Siemens PLM Software发不平衡噪声机体气动噪声螺旋桨推进器喷

14、气推进器应用概览航空工业壁板隔声传递损失环控系统传递损失舱内噪声Ramp noise停机坪噪声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舱内噪声目标设定COM

33、AC 640所C919项目C919飞机壁板噪声防护设计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 外场噪声PS项目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应用 壁板隔声（EADS）Unrestricted © Siemens AG 2016Page 31Siemens PLM SoftwareCPU time30

36、 sec / freq高级NVH应用 机体气动噪声（Bridge项目）AVIC科技委：总体力学所： CFD： 优化德国LMS： Optimus集成、FM-BEM EADS： FM-BEMAVIC 601： 网格 、气弹COMAC： 总体气动北航： 超算中心Unrestricted © Siemens AG 2016Page 32（COMAC APU）航学声学算法方面最先进，FEM-PML/AML有限元无反射匹配层技术取代过时的IFEM无限元技术 极大缩减发声学建模的模型尺度，从而提高计算效率； 去掉IFEM每个模型只能有一个的局限，所以可以同时模拟内外涵 道的噪声问题；Unrestr

37、icted © Siemens AG 2016Page 33Siemens PLM Software无人机排气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某铆接板件声激励作

39、用下的最大绝对应力分布和声疲劳分析UnrestPage 37某开孔板件声激励作用下的应力分布和声疲劳分析Siemens PLM Software沈航沙云东教授Unrestricted © Siemens AG 2016Page 38Siemens PLM Software飞机进气道声疲劳Inst6XX & 6XX + LMS电子XX所光学设备声疲劳分析Unrestricted © Siemens AG 2016Page 39Siemens PLM SoftwareNVM & Correlation 普及和推广Unrestricted © Sieme

40、ns AG 2016Page 40应用概览航天工业Unrestricted © Siemens AG 2016Page 41Siemens PLM Software模拟飞行器仪表舱内振动-噪声环境模拟有效载荷在试验室发射条件下的振动响应模拟星-箭分离产生的冲击响应模拟飞行器在边界条件下在仪表舱产生的声环境- 标准混响试验室工况- 实际起飞、飞行工况在宽频随机信号下的声激振动和应力- 标准混响试验室工况- 实际起飞、飞行工况模拟分离时高频、瞬态信号下的响应- 地面验证试验工况- 实际运行工况ESTEC/JPLUnrestricted © Siemens AG 20Page 4

41、3Siemens PLM Software高频SEA+应用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.航天整流罩振动噪声Unrestricted © Siemens AG 2016Page 51案例航天：“全频段随机声振分析技术应用项目”虚拟随机振动试验虚拟噪声环境试验虚拟冲击试验Unrestricted © Siemens AG 2016Page 52Siemens PLM Software西交大闫桂荣教授Unrestricted © Siemens AG 2016Page 53Siemens PLM SoftwareNVM & Correlation 普及和推广Unrestricted © Siemens AG 2016Page 54Siemens PLM Software应用概览船舶工业Unrestricted © Siemens AG 2016Page 55Siemens PLM Software发声振进排气声振传递，船员和乘客的舒适性设计发、动力总成的辐射通过或隔声罩设计遮蔽风机、发结构声及空气声在船体内的：机械目标的设定，设备悬置的优化，吸（隔） 声设计声功率噪声舰船结构辐射噪声螺旋桨推进器噪声散射声纳设计并减少船体的噪声辐射流体引起的噪声