Linking Models and Experiments, Volume 2

However, in order to apply the proposed alternative FBS methodology successfully to an experimental problemthere are still a few bottlenecks that we feel need to be tackled: • Obtaining accurate values for the damping of the assembled system • Scaling of the identifiedmode shapes • Distinguishing between closely spacedmodes and measurement artifacts in the sign counting algorithm Finally, it might be very interesting to apply the proposedmethodology to substructure decoupling problems, which are even more sensitive to measurement errors than “normal” (i.e. coupling) FBS problems. References 1. Allemang, R., Brown, D.: A Correlation Coefficient for Modal Vector Analysis. In: Proceedings of the International Modal Analysis Conference, pp. 110–116. Society for Experimental Mechanics (1982) 2. Allen, M., Mayes, R.: Comparison of FRF and Modal Methods for Combining Experimental and Analytical Substructures. In: Proceedings of the Twentyfifth International Modal Analysis Conference, Orlando, FL. Society for Experimental Mechanics, Bethel, CT (2007) 3. Bregnant, L., Otte, D., Sas, P.: FRF Substructure Synthesis. Evaluation and Validation of Data Reduction Techniques. In: Proceedings of the Twentieth International Conference on Noise & Vibration Engineering (ISMA). Katholieke Universiteit Leuven, Leuven, BE (1995) 4. Campbell, R., Hambric, S.: Application of Frequency Domain Substructure Synthesis Technique for Plates loaded with Complex Attachments. Tech. rep., Pennsylvania State University Park Applied Research Lab (2004) 5. Carne, T.G., Dohrmann, C.R.: Improving Experimental Frequency Response Function Matrices for Admittance Modeling. In: Proceedings of the Twenty Fourth International Modal Analysis Conference, St. Louis, MO. Society for Experimental Mechanics, Bethel, CT (2006) 6. Corus, M., Balmes, E., Nicolas, O.: Using Model Reduction and Data Expansion Techniques to Improve SDM. Mechanical Systems and Signal Processing20, 1067–1089 (2006) 7. Duarte, M., Ewins, D.: Some Insights into the Importance of Rotational Degrees of Freedomand Residual Terms in Coupled Structure Analysis. In: Proceedings of the Thirteenth International Modal Analysis Conference, Nashvill, TN, pp. 164–170. Society for Experimental Mechanics, Bethel, CT (1995) 8. Ferreira, J., Ewins, D.: Multi-Harmonic Nonlinear Receptance Coupling Approach. In: Proceedings of the Fifteenth International Modal Analysis Conference, Orlando, FL, pp. 27–33. Society for Experimental Mechanics, Bethel, CT (1997) 9. Gialamas, T., Tsahalis, D., Bregant, L., Otte, D., van der Auweraer, H.: Substruturing bymeans of FRFs. Some Investigations on the Significance of Rotational DOFs. In: Proceedings of the Fourteenth International Modal Analysis Conference, Dearborn, MI, pp. 619–625. Society for Experimental Mechanics, Bethel, CT (1996) 10. Hunter, N., Paez, T.: Nonlinear Behavior of a 45 Degree Bolted Lap Joint. In: Proceedings of the Twentyfourth International Modal Analysis Conference, St. Louis, MO. Society for Experimental Mechanics, Bethel, CT (2006) 11. Imregun, M., Robb, D.: Structural Modification via FRF Coupling using Measured Data. In: Proceedings of the Tenth International Modal Analysis Conference, San Diego, CA, pp. 1095–1099. Society for Experimental Mechanics, Bethel, CT (1992) 12. Imregun, M., Robb, D., Ewins, D.: Structural modification and coupling dynamic analysis using measured frf data. In: Proceedings of the Fifth International Modal Analysis Conference, London, UK, pp. 1136–1141. Society for Experimental Mechanics, Bethel, CT (1987) 13. de Klerk, D., Rixen, D., de Jong, J.: The Frequency Based Substructuring (FBS) Method Reformulated According to the Dual DomainDecomposition Method. In: Proceedings of the Twenty Fourth International Modal Analysis Conference, St. Louis, MO. Society for Experimental Mechanics, Bethel, CT (2006) 14. de Klerk, D., Rixen, D., Voormeeren, S.: General Framework for Dynamic Substructuring: History, Review and Classification of Techniques. AIAA Journal 46(5), 1169–1181 (2008) 15. de Klerk, D., Rixen, D., Voormeeren, S., Pasteuning, F.: Solving the RDoF Problemin Experimental Dynamic Substructuring. In: Proceedings of the Twenty Sixth International Modal Analysis Conference, Orlando, FL. Society for Experimental Mechanics, Bethel, CT (2008). Paper no. 129 16. de Klerk, D., Voormeeren, S.: Uncertainty Propagation in Experimental Dynamic Substructuring. In: Proceedings of the Twenty Sixth International Modal Analysis Conference, Orlando, FL. Society for Experimental Mechanics, Bethel, CT (2008). Paper no. 133 17. Lim, T., Li, J.: A Theoretical and Computational Study of the FRF-Based Substructuring Technique applying enhanced Least Square and TSVD Approaches. Journal of Sound and Vibration231, 1135–1157 (2000) 18. Liu, W., Ewins, D.: The Importance Assessment of RDOF in FRF Coupling Analysis. In: Proceedings of the Seventeenth International Modal Analysis Conference, Orlando, FL, pp. 1481–1487. Society for Experimental Mechanics, Bethel, CT (1999) 19. Mayes, R., Stasiunas, E.: Combining Lightly DampedExperimental Substructures with Analytical Substructures. In: Proceedings of the Twentyfifth International Modal Analysis Conference, Orlando, FL. Society for Experimental Mechanics, Bethel, CT (2007) 20. Montalvao, D., Ribeiro, A., Maia, N., Silva, J.: Estimation of the Rotational Terms of the Dynamic Response Matrix. Shock and Vibration 11, 333–350 (2004) 21. O’Callahan, J., Avitabile, P., Riemer, R.: SystemEquivelant Reduction Expansion Process (SEREP). In: Proceedings of the Seven International Modal Analysis Conference, Las Vegas, NV, pp. 29–37. Society for Experimental Mechanics, Bethel, CT (1989) 22. O’Callahan, J., Lieu, I., Chou, C.: Determination of Rotational Degrees of Freedomfor Moment Transfers in Structural Modifications. In: Proceedings of the Third International Modal Analysis Conference, Orlando, FL, pp. 465–470. Society for Experimental Mechanics, Bethel, CT (1985) 23. Pasteuning, F.: Experimental Dynamic Substructuring and its Application in Automotive Research – Substructure modelling, measurement and connectivity. Master’s thesis, Delft University of Technology, Faculty of Mechanical, Maritime and Materials Engineering, Department of Precision and Microsystems Engineering (2007) S.N. Voormeeren, P.L.C. van der Valk and D.J. Rixen 346

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