0 200 400 600 800 1000 1200 1400 1600 10-3 10-2 10-1 10 0 10 1 10 2 Frequency [Hz] Modulus [m/s2 / N] Transfer Function Nodi: E2zR10z Experimental Identified 0 200 400 600 800 1000 1200 1400 1600 10-3 10-2 10-1 10 0 10 1 10 2 Frequency [Hz] Modulus [m/s2 / N] Transfer Function Nodi: E2zR3z Experimental Identified Figure 13 – Transfer function with MoGeSeC. Figure 14 – Transfer function with EI technique. BIBLIOGRAPHY [1] M.I. Friswell, J.E. Mottershead, Finite Element Model Updating in Structural Dynamics, Dordrecht, Kluwer, 1995. [2] Maia N., Silva, J., “Theoretical and Experimental Modal Analysis”, Research Studies Press Ltd., New York, ISBN 978-0863802089, 1997. [3] J. Peck, I. Torres, A DMAP program for the selection of accelerometer locations in MSC/NASTRAN, in: Proc. 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Palm Springs, CA, USA, 2004, 19–22. [4] J.N. Ramsden, J.R. Stoker, Mass condensation – A semi-automatic method for reducing the size of vibration problems, International Journal for Numerical Methods in Engineering 1 (1969) 333–349. [5] B. Downs, Accurate reduction of stiffness and mass matrices for vibration analysis and a rationale for selecting master degree of freedom, ASME Journal of Mechanical Design 102 (1980) 412–416. [6] N. Popplewell, A.W. Bertels, B. Arya, A critical appraisal of the eliminating technique, Journal of Sound and Vibration 31 (2) (1973) 213–233. [7] V.N. Shah, M. Raymond, Analytical selection of masters for the reduced eigenvalue problem, International Journal of Numerical Methods in Engineering 18 (1982) 89–98. [8] K.W. Matta, Selection of dofs for dynamic analysis, Journal of Pressure Vessel Technology 109 (1) (1987) 65–69. [9] N.I. Grinenko, V.V. Mokeev, Problems of studying vibrations of structures by the finite element method, (English trans.), Prikladnaya Mekhanika 21 (1985) 231–235. [10] W. Li, A degree selection method of matrix condensations for eigenvalue problems, Journal of Sound and Vibration 259 (2) (2003) 409–425. [11] D.C. Kammer, R.D. Brillhart, Optimal sensor placement for modal identification using system-realization methods, Journal of Guidance, Control and Dynamics 19 (1996) 729–731. [12] M. Meo, G. Zumpano, On the optimal sensor placement techniques for a bridge structure, Engineering Structures 27 (2005) 1488–1497. [13] D.S. Li, H.N. Li, C.P. Fritzen, The connection between effective independence and modal kinetic energy methods for sensor placement, Journal of Sound and Vibration 305 (2007) 945–955. [14] J. O’Callahan, P. Avitabile, R. Riemer, System equivalent reduction expansion process (SEREP), in: Proc. 7th IMAC, Las Vegas, Nevada, USA, 1989, 29–37. [15] D.C. Kammer, M.L. Tinker, Optimal placement of triaxial accelerometers for model vibration tests, Journal of Mechanical Systems and Signal Processing 18 (2004) 29–41. [16] R.J. Allemang, D.L. Brown, A correlation coefficient for modal vector analysis, in: Proc. 1st IMAC, Orlando, Florida, USA, 1982, 110–116. [17] R.D. Henshell, J.H. Ong, Automatic masters for eigenvalue economization, Earthquake Engineering Structural Dynamics 3 (1975) 375–383. [18] E. Bonisoli, C. Delprete, C. Rosso, “Comparison between dynamic condensation techniques in automotive application”, SAE 2006 World Congress, 2006, Detroit, Michigan, April 3-6, ISSN: 0148-7191, SAE Technical Paper 2006-01-1093, pp. 1-8. 292
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