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Experiences with and Prospects for Dynamic Mechanical Testing of Aircraft Structures.

Degener, M. and Hüners, H. (1990) Experiences with and Prospects for Dynamic Mechanical Testing of Aircraft Structures. In: ESA SP-304 (1990)., pp. 309-315. International Symposium "Environmental Testing for Space Programs", ESTEC, 26-29 June 1990, Noordwijk, The Netherlands..

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Abstract

Spacecraft structures are subjected to severe environmental mechanical loads, especially during the launch phase. By means of flight load analysis using a dynamic mathematical model spacecraft have to be qualified to withstand all load events occurring during this phase. To verify the mathematical model of the spacecraft, system identification by means of experimental mechanical testing is a prerequisite. One of the most powerful methods for experimental system identification is the modal survey test based on the phase resresonance method. The paper describes the features of the DLR modal survey test facility with special emphasis on applications, experiences and improvements in the testing of current spacecraft structures. A second important field of mechanical testing is qualification testing by realistic simulation of the flight loads. Current trends in the development of multi-axis vibration simulation systems are reviewed.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1990, pages=7,
Title:Experiences with and Prospects for Dynamic Mechanical Testing of Aircraft Structures.
Authors:
AuthorsInstitution or Email of Authors
Degener, M.UNSPECIFIED
Hüners, H.UNSPECIFIED
Date:1990
Journal or Publication Title:ESA SP-304 (1990).
Page Range:pp. 309-315
Status:Published
Keywords:Design Verification, System Identification, Dynamic Qualification
Event Title:International Symposium "Environmental Testing for Space Programs", ESTEC, 26-29 June 1990, Noordwijk, The Netherlands.
HGF - Research field:UNSPECIFIED
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:no assignment
DLR - Research theme (Project):UNSPECIFIED
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity
Deposited By: elib DLR-Beauftragter
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 10:41

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