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About the Damage Tolerance of Composite Structures

Bogenfeld, Raffael Marius (2019) About the Damage Tolerance of Composite Structures. DLR-Interner Bericht. DLR-IB-FA-BS-2019-177. 98 S.

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In aerospace engineering, a structural design has to account for Damage Tolerance (DT). According to the DT design principle, a flawed structure still has to sustain the design load until that flaw becomes discovered and is repaired. The DT analysis is well-established for metallic materials. However, composite structures and conventional metal structures differ significantly in their damage behavior. The DT of composite structures is particularly complex and the available methods are still in their infancy. The particular case of designing damage-tolerant composite structures was addressed within the DLR project KonTeKst, through the work packages of the department of structural mechanics of the Institute for Composite Structures and Adaptive Systems. This topic was addressed in three steps: 1) A theoretical investigation, based on a screening of the literature 2) the development of an analytical DT analysis method 3) experiments on coupons and stiffened panels.

Item URL in elib:https://elib.dlr.de/137160/
Document Type:Monograph (DLR-Interner Bericht)
Title:About the Damage Tolerance of Composite Structures
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Bogenfeld, Raffael MariusRaffael.Bogenfeld (at) dlr.dehttps://orcid.org/0000-0003-3883-269X
Date:December 2019
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Number of Pages:98
Keywords:Damage Tolerance, Preliminary aircraft design, Gesamtentwurf, Schadenstoleranz, Crack growth
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation and Validation (old), L - Structures and Materials (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Structural Mechanics
Deposited By: Böhringer-Thelen, Isolde
Deposited On:09 Nov 2020 10:35
Last Modified:09 Nov 2020 10:35

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