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Füllekrug, U. and Sinapius, M. (2000) Force Measurement in VibrationTesting - Application to Modal Identification. In: Proceedings of the 7th International Congress on Sound and Vibration, V-2567-V-2574. 7th International Congress on Sound and Vibration, Garmisch-Partenkirchen, July 4th-7th, 2000.
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Abstract
This paper concentrates on the fundamentals of the structural vibration behaviour of a structure under base excitation. The equations for the structural accelerations and the dynamic forces at the interface are presented and discussed. The principles of modal identification for structures under base excitation including the determination of the effective and modal masses are explained. Then the practical measurement of the interface forces, consisting of the resultant six-degree-of-freedom components, is described and the utilized force measurement devices are presented. The application of the modal identification method is demonstrated on a laboratory test structure as well as on a more complex structure. Examples for typical measurement data and the extracted modal parameters are shown.
| Item URL in elib: | https://elib.dlr.de/14182/ | |||||||||
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| Document Type: | Conference or Workshop Item (Paper) | |||||||||
| Additional Information: | LIDO-Berichtsjahr=2000, | |||||||||
| Title: | Force Measurement in VibrationTesting - Application to Modal Identification | |||||||||
| Authors: |
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| Date: | 2000 | |||||||||
| Journal or Publication Title: | Proceedings of the 7th International Congress on Sound and Vibration | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | No | |||||||||
| In ISI Web of Science: | No | |||||||||
| Page Range: | V-2567-V-2574 | |||||||||
| Status: | Published | |||||||||
| Keywords: | structural dynamics, base excitation, interface forces, modal identification | |||||||||
| Event Title: | 7th International Congress on Sound and Vibration, Garmisch-Partenkirchen, July 4th-7th, 2000 | |||||||||
| HGF - Research field: | Aeronautics, Space and Transport (old) | |||||||||
| HGF - Program: | Space (old) | |||||||||
| HGF - Program Themes: | W SY - Technik für Raumfahrtsysteme | |||||||||
| DLR - Research area: | Space | |||||||||
| DLR - Program: | W SY - Technik für Raumfahrtsysteme | |||||||||
| DLR - Research theme (Project): | UNSPECIFIED | |||||||||
| Location: | Göttingen | |||||||||
| Institutes and Institutions: | Institute of Aeroelasticity | |||||||||
| Deposited By: | DLR-Beauftragter, elib | |||||||||
| Deposited On: | 16 Sep 2005 | |||||||||
| Last Modified: | 14 Jan 2010 21:31 |
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