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A Concept for the Localization of Delamination Damages in CFRP

Keye, S. and Rose, M. and Sachau, D. (2001) A Concept for the Localization of Delamination Damages in CFRP. In: IUTAM Symposium on Smart Structures and Structronic Systems, Volume 89, pp. 57-64. Kluwer Academic Publishers. Symposium Smart Structures and Structronic Systems, Magdeburg, Germany, 26-29 September (2000). ISBN 0-7923-6968-8.

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Abstract

A concept for the identification and localization of delamination damages in CFRP is introduced. The general methodology is lined out and a localization method based on damage-caused modal damping variations is described. Using only scalar damping values requires a correlation of measured data to the corresponding data from a mathematical model in order to gain information on the damage location. The feasibility of the proposed concept is tested in an analytical damage simulation study on a stringer-stiffened aircraft panel. Some intermediate results are presented, including the modelization of piezoelectric elements and delamination damages, the selection of actuator and sensor positions and an analytical damage simulation. The work is part of the Advanced Aircraft Structures-Project (FFS) carried out by DLR in cooperation with DaimlerChrysler Aerospace.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2002,
Title:A Concept for the Localization of Delamination Damages in CFRP
Authors:
AuthorsInstitution or Email of Authors
Keye, S.UNSPECIFIED
Rose, M.UNSPECIFIED
Sachau, D.UNSPECIFIED
Date:2001
Journal or Publication Title:IUTAM Symposium on Smart Structures and Structronic Systems
Volume:Volume 89
Page Range:pp. 57-64
Editors:
EditorsEmail
Gabbert, U.UNSPECIFIED
Tzou, H.S.UNSPECIFIED
Publisher:Kluwer Academic Publishers
ISBN:0-7923-6968-8
Status:Published
Event Title:Symposium Smart Structures and Structronic Systems, Magdeburg, Germany, 26-29 September (2000)
Organizer:IUTAM
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:no assignment
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 16:21

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