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Lifetime prediction of highly loaded composite structures

Kensche, C. and Krause, O. (2003) Lifetime prediction of highly loaded composite structures. 18th Annual Technical Conference, Gainesville, Florida, 20-22 Oktober 2003.

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Abstract

A method of lifetime approval for composite spar beams has been developed. At first, the general fatigue response of the used material components has to be evaluated. Using a FE-analysis, the critical areas of the structure are identified and the design stresses evaluated. Subsequently, a lifetime prediction with a Miner’s damage summation rule of the most fatigue sensitive part of the structure is done. Incorporating the correlation of variable and constant amplitude loading, the predicted lifetime may be verified with time-saving proof tests.

Item URL in elib:https://elib.dlr.de/15057/
Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2004,
Title:Lifetime prediction of highly loaded composite structures
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kensche, C.UNSPECIFIEDUNSPECIFIED
Krause, O.UNSPECIFIEDUNSPECIFIED
Date:2003
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:fatigue, lifetime prediction, proof test
Event Title:18th Annual Technical Conference, Gainesville, Florida, 20-22 Oktober 2003
Organizer:American Society of Composites
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):UNSPECIFIED
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design
Deposited By: DLR-Beauftragter, elib
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 13:15

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