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Adaptive Structural Mechanics for Acoustic Application

Melcher, J. and Büter, A. and Krajenski, V. and Hanselka, H. (1998) Adaptive Structural Mechanics for Acoustic Application. 4.Nationales SAMPE Symposium, Braunschweig, 12.-13.3.1998.

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Abstract

This paper demonstrates the enormous potentials of adaptive structural systems to realize active noise control. It explains both the principle ideas of active noise control as well as the technology of adaptive structures. After a review of acoustic fundamentals and typical acoustic problems some approaches are given from the adaptive structures technology for cars, rockets, satellites, form measuring machines, ducts and high speed trains. Helicopters are primary examples for two-way coupling effects of structural vibrations and noise. Therefore, two more detailed chapters are directed to adaptive helicopter blades for active suppressions of blade-vortex-interaction effects and to carbon fibre reinforced thin plates with embedded piezoceramics for active acoustic impedance control. Diverse concepts and results of numerical studies are presented.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2001,
Title:Adaptive Structural Mechanics for Acoustic Application
Authors:
AuthorsInstitution or Email of Authors
Melcher, J.UNSPECIFIED
Büter, A.UNSPECIFIED
Krajenski, V.UNSPECIFIED
Hanselka, H.UNSPECIFIED
Date:1998
Status:Published
Event Title:4.Nationales SAMPE Symposium, Braunschweig, 12.-13.3.1998
Organizer:DLR Braunschweig
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: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Institut für Strukturmechanik
Deposited By: Sibylle Wolff
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 16:01

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