NVH â Department Vehicle Acoustics Advanced Development NVH ...

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Loss factor calculation 1Magna Steyr implementationFeatures:! MATLAB based! Modular toolbox design # open concept! User definable reading module! Supports 3 calculation methods! Effective database & service interface (manages approx. 30,000 FRFs)C:\ppt\Eggner_LMS_Conference_2006.ppt! GUI to check FRFs and compare LF results! Supports 2 export formatsAuthor: T. EggnerAUTOMOBILENTWICKLUNG / ENGINEERINGwww.magnasteyr.com18
Loss factor calculation 2Procedure:C:\ppt\Eggner_LMS_Conference_2006.ppt1. Generation of measurement list*2. Correction of exported universal file data (data set 58)3. Creation of SEAPIM database4. Calculation of normalized energycoupling filter*5. Calculation of inner and coupling loss factors6. Selection/ filtering of couplings*7. Loss factor export* Use only couplings from AutoSEA modelAuthor: T. EggnerAUTOMOBILENTWICKLUNG / ENGINEERINGwww.magnasteyr.com19
Page 1 and 2: NVH - DepartmentVehicle AcousticsAd
Page 3 and 4: C:\ppt\Eggner_LMS_Conference_2006.p
Page 5 and 6: Introduction: Experimental SEASEA 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: C:\ppt\Eggner_LMS_Conference_2006.p
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 ...