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Implementation of Squeak and Rattle Analysis in HyperWorks
 

Implementation of Squeak and Rattle Analysis in HyperWorks

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    Implementation of Squeak and Rattle Analysis in HyperWorks Implementation of Squeak and Rattle Analysis in HyperWorks Presentation Transcript

    • Implementation of Squeak andRattle Analysis in HyperWorksIsmail Benhayoun, AltairHarris Zografos, Altair2013 EuropeanAltair Technology ConferenceTurin, ITALYApril 22nd to 24th, 2013
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24• Integrate the technology in a robust and progressive environment• Create an automated process• Offer high customization capabilitiesImplementation of the methodology in HW environmentSnR Analysis in HyperWorks®SAE 2010-01-1423SAE 2012-01-1553E-Line Method in Squeak and Rattle – Director
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Core technologyRattle Correlation Squeak CorrelationRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Gap sizeRelative displacement in a gapGapForce/accelerationShaker3D Laser VibrometerGapPlasticSteelLaser beamPseudo random signalA random signal of a userdefined time lengthis repeated for eachmeasurement (trigger).RattleRattle CorrelationRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24SIMULATIONF (t)Displacement simulatedwith modal transient solverTest configurationsRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Force M1Force M2Displacement M1Displacement M2Trigger validationRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Modal dampingModal correlationRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Ref. SAE 2012-01-1553Config 1 - correlation in time domain
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Modal transientF(t )ModaldampingConfig 1 - correlation in time domainRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24GAP1.03 mm 1.05 mm 1.04 mmDouble click Single clickConfig 1 - first contactRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Contact No ContactNo ContactGAPAmplitudePhaseNon Linear LinearLinearConfig 1 – Intensive rattleRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Single click Intensive rattleGAP GAPRattle correlationRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Single click Intensive rattleGap = MeancritGap ----Mean ----Rattle correlationRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Node # 1M10%HVTest vs SimulationNode # 5Config. 3Evaluation along a lineRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Squeak correlationRel disp in contact planePeak to peak amplitudePart IPart IIPQwvuGAPRattle SqueakXYZContact / gapRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Ref: SAE 2012-01-1553Stick Slip phenomenonP2P relative displacementin the squeak planeSqueak correlationRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Squeak evaluationStick slip machine test dataT = 2 sxyMain directionMax principal Peak to Peak amplitudeSAR-LineDirectionRef. SAE 2012-01-1553
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24S&R FE-LinesAnalysis processOptiStructModal transientanalysisPre-processing Post-processingAnalysisProcess ManagerSemi-AutomaticAutomaticpost-processing
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Process Manager : Global Parameters
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Process Manager : Material Mapping
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Process Manager : Creation of SnR linesA1.01
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Process ManagerLine ID Line type Materials pair min-max Interface name Gap dimension [mm] Tolerance [mm]1085 Rattle MAT1/MAT3 0.001-0.003 A1.01 10 14030 Rattle MAT1/MAT3 0.001-0.003 A1.02 10 18014 Rattle MAT1/MAT3 0.001-0.003 A1.03 10 112005 Rattle MAT1/MAT3 0.001-0.003 A1.04 10 116018 Rattle MAT1/MAT3 0.001-0.003 A1.05 10 124025 Rattle MAT1/MAT3 0.001-0.003 A1.06 10 128043 Rattle MAT1/MAT3 0.001-0.003 A1.07 10 132010 Rattle MAT1/MAT3 0.001-0.003 A1.08 10 136013 Squeak MAT1/MAT3 0.001-0.003 A1.09 0 040010 Squeak MAT1/MAT3 0.001-0.003 A1.10 0 044048 Squeak MAT1/MAT3 0.001-0.003 A1.11 0 048070 Squeak MAT1/MAT3 0.001-0.003 A1.12 0 052010 Squeak MAT1/MAT3 0.001-0.003 A1.13 0 056070 Squeak MAT1/MAT3 0.001-0.003 A1.14 0 060008 Squeak MAT2/MAT4 0.002-0.004 A1.15 0 064013 Squeak MAT2/MAT4 0.002-0.004 A1.16 0 068014 Squeak MAT2/MAT4 0.002-0.004 A1.17 0 072027 Squeak MAT2/MAT4 0.002-0.004 A1.18 0 0
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Post - Processing
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Post - Processing
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Semi-Automatic processA2B comparisonsOPTIMIZATIONAnalysis processProcess ManagerSemi AutomaticAutomaticpost-processingS&R FE-LinesOptiStructModal transient analysisSqueak and Rattle – Director
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Scania CV AB & LeanNovaBy courtesy of Scania CV ABEsupplier = 1950MpaEcorrelation = 4500 MPaEsupplier = 1950MpaEcorrelation = 2500 MPaModal correlationCurrent cockpitImprove thematerialdata in theFE model
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24SnR AnalysisCurrent cockpit Scania New Cab GenerationA2B comparisonLoads fromRoad Tests andMBA simulationsForces (Fx, Fy, Fz) applied at:1. Bushing#12. Bushing#23. Suspension#14. Suspension#25. Suspension#36. Suspension#47. Cross_link#18. Cross_link2Modal TransientInput loads
    • Copyright © 2012 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.Ismail Benhayoun, Harris ZografosTurin 2013-04-22/24Thank you!Grazie mille!