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Experimental Investigations of Helicopter Structural Dynamics and the Interaction with Vibration Reduction Systems.

Degener, M. (1990) Experimental Investigations of Helicopter Structural Dynamics and the Interaction with Vibration Reduction Systems. 3rd Workshop on Dynamics and Aeroelastic Stability Modeling of Rotorc raft Systems, 12-14 March 1990, Duke University, Durham, North Caroli na, USA.

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Abstract

The paper gives a survey of experimental investigations of helicopter structural dynamics. It describes the features of the DLR ground vibration test facility with special emphasis on applications, experiences, and improvements in testing helicopter structures. This relates to realistic boundary conditions during testing, sensor instrumentation, dynamic excitation, and data reduction. An important topic is the correlation of experimental results with the mathematical model. Concepts for correlation, such as orthogonality check and modal assurance criterion, are discussed.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=1990,
Title:Experimental Investigations of Helicopter Structural Dynamics and the Interaction with Vibration Reduction Systems.
Authors:
AuthorsInstitution or Email of Authors
Degener, M.UNSPECIFIED
Date:1990
Status:Published
Keywords:Helicopter, Structural Dynamics, Vibration Testing, Vibration Reducti on Systems
Event Title:3rd Workshop on Dynamics and Aeroelastic Stability Modeling of Rotorc raft Systems, 12-14 March 1990, Duke University, Durham, North Caroli na, USA
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 10:42

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