This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Experimental Modal Analysis to Represent Structural Components in Vehicle Models
Technical Paper
2001-01-1403
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
This article describes a technique being developed to determine representative models of difficult-to-analyse structural components such as the fully-trimmed car body directly from measured Frequency Response Functions.
Details are provided of a new system identification method called the Global Smoothing Technique which is proving to be relatively reliable and robust even when the modes exhibited by the structural system tend to be highly-damped, closely-coupled and complex.
Recommended Content
Authors
Citation
Ruotolo, R., Storer, D., and Gatti, S., "Experimental Modal Analysis to Represent Structural Components in Vehicle Models," SAE Technical Paper 2001-01-1403, 2001, https://doi.org/10.4271/2001-01-1403.Also In
SAE 2001 Transactions Journal of Passenger Cars - Mechanical Systems
Number: V110-6; Published: 2002-09-15
Number: V110-6; Published: 2002-09-15
References
- Heylen W. Lammens S. Sas P. 1995 Modal Analysis Theory and Testing
- Guillaume P. Pintelon R. Schoukens J. 1996 Proceedings 21 st International Seminar on Modal Analysis 1069 1082 Parametric Identification of Multivariable Systems in the Frequency Domain - a Survey
- O'F.Fahey S. Pratt J. 1998 Experimental Techniques 22 5 33 37 Frequency Domain Modal Estimation Techniques
- Dat R. Meurzec J. 1972 La Recherche Aèrospatiale 4 209 215
- Ferro F. 1990 Optimization of a Finite Element Model to Correlate Flight and Ground Vibration Tests
- Ruotolo R. Basso W. Surace C. 1996 Proceedings of Eurodyn '96 1125 1132 Flight Flutter Test Data Analysis
- Ruotolo R. Storer D. M. 2001 Journal of Sound and Vibration 239 1 41 56 A Global Smoothing Technique for FRF Data Fitting
- Forsythe G. 1957 SIAM Journal 5 74 88 Generation and Use of Orthogonal Polynomials for Data-Fitting with a Digital Computer
- Van der Auweraer H. Leuridan J. 1987 Mechanical Systems and Signal Processing 1 259 272 Multiple Input Orthogonal Polynomial Parameter Estimation
- Ruotolo R. Storer D. Taddeucci L. 1997 Proceedings XV International Modal Analysis Conference Develoment of a Technique to Determine the Modal Characteristics of Structures Using Response Data
- Ruotolo R. 2001 Journal of Sound and Vibration A Multiple-Input Multiple-Output Smoothing Technique: Theory and Application to Aircraft Data
- Phillips A. W. Allemang R. J. 1996 Proceedings 21 st International Seminar on Modal Analysis Leuven 1097 1109 Numerical Considerations in Modal Parameter Estimation