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Modal Identification of the Hydra Dummy Structure by Means of Force and Multi-Axial Base Excitation

Füllekrug, U. and Degener, M. (1998) Modal Identification of the Hydra Dummy Structure by Means of Force and Multi-Axial Base Excitation. DLR-Interner Bericht. 232 - 98 C 01.

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Abstract

The HYDRA Dummy, a payload structure which was designed and manufactured specially for the acceptance tests with the HYDRA vibration test facility, was investigated in two different types of modal identification tests. The first type of modal identification tests was performed with a conventional force excitation. The second test type ulitlised a multi-axial base excitation. The report describes the test performance, the modal identification and summarizes the test results. Results are docmented in terms of modal parameters and are critically discussed. In addition, recommendations are given for the performance of future multi-axial base identification tests with the HYDRA vibration test facility.

Item URL in elib:https://elib.dlr.de/14086/
Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Modal Identification of the Hydra Dummy Structure by Means of Force and Multi-Axial Base Excitation
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Füllekrug, U.UNSPECIFIEDUNSPECIFIED
Degener, M.UNSPECIFIEDUNSPECIFIED
Date:1998
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:structural dynamics, modal identification, force and multi-axial base excitation, HYDRA vibration, test facility
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
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 21:23

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