NVH â Department Vehicle Acoustics Advanced Development NVH ...

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Introduction: Predictive SEAUsing AutoSEA from ESI GroupC:\ppt\Eggner_LMS_Conference_2006.pptAdvantages:+ in concept phase possible+ no measurement+ no separate calculation+/- reliabilityAuthor: T. EggnerDisadvantages:- high modelling effort- modelling of trim materialsAUTOMOBILENTWICKLUNG / ENGINEERINGwww.magnasteyr.com4
Introduction: Experimental SEASEA parameter measurement usingPIM (Power Injection Method)C:\ppt\Eggner_LMS_Conference_2006.pptAdvantages:+ measured loss factors+ no trim material modelling+ reliabilityAuthor: T. EggnerDisadvantages:- acoustic prototype needed- high measurement effortAUTOMOBILENTWICKLUNG / ENGINEERINGwww.magnasteyr.com5
Page 1 and 2: NVH - DepartmentVehicle AcousticsAd
Page 3: C:\ppt\Eggner_LMS_Conference_2006.p
Page 7 and 8: Introduction: Hybrid SEA modelling
Page 9 and 10: Creating an SEA modelFEMMeasurabili
Page 11 and 12: Measurement preparationsC:\ppt\Eggn
Page 13 and 14: Measurement: SetupSubsystem types:
Page 15 and 16: Measurement: Signal monitoringC:\pp
Page 17 and 18: C:\ppt\Eggner_LMS_Conference_2006.p
Page 19 and 20: Loss factor calculation 2Procedure:
Page 21 and 22: Loss factor integration! MATLAB bas
Page 23 and 24: C:\ppt\Eggner_LMS_Conference_2006.p
Page 25 and 26: Advantages/ Disadvantages++ high re

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NVH â Department Vehicle Acoustics Advanced Development NVH ...