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Force Measurement in Vibration Testing - Applications to Modal Identification

Füllekrug, U. and Sinapius, M. (2001) Force Measurement in Vibration Testing - Applications to Modal Identification. International Journal of Acoustics and Vibration, 6 (2), pp. 51-56.

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Abstract

The paper first concentrates on the fundamentals of the vibration behaviour of a structure under base excitation. The equitations 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 utilised 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/14256/
Document Type:Article
Additional Information: LIDO-Berichtsjahr=2001,
Title:Force Measurement in Vibration Testing - Applications to Modal Identification
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Füllekrug, U.UNSPECIFIEDUNSPECIFIED
Sinapius, M.UNSPECIFIEDUNSPECIFIED
Date:2001
Journal or Publication Title:International Journal of Acoustics and Vibration
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:6
Page Range:pp. 51-56
Status:Published
Keywords:structural dynamics, modal analysis, base excitation, base forces
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L ST - Starrflüglertechnologien
DLR - Research theme (Project):L - Flexible Aircraft (old)
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity
Deposited By: DLR-Beauftragter, elib
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 21:37

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