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Dynamic loading of aircraft structures - Optimizing the design of structural elements

Bronstein, Michael and Geier, Martin (2013) Dynamic loading of aircraft structures - Optimizing the design of structural elements. 53rd Israel Annual Conference on Aerospace Sciences, 06. - 07. März 2013, Tel Aviv, Haifa/Israel.

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Abstract

The design and certification procedures of modern aircraft structures are usually based on static loading. Even dynamic loading conditions are usually treated as quasi-static conditions. Following the current design practice, the loads envelope, by which each aircraft structural element is sized, is considered as being statically applied. The primary objective of the DAEDALOS project is to investigate the dynamic effects on the actual loads acting on the airframe in order to improve the definition of the sizing loads for structural components of civil aircraft. The current work is focused on the different ways that dynamic loads can be applied to aircraft models and the effect on the resultant stress levels at different points on the structure. The results obtained using the dynamic loading procedures are compared to the results obtained using traditional static loading methods. The reduction in the stress levels at specific aircraft elements show the potential for new methods and procedures of loads calculations, which could lead to a more realistic sizing of critical elements of the aircraft structure.

Item URL in elib:https://elib.dlr.de/84456/
Document Type:Conference or Workshop Item (Speech)
Title:Dynamic loading of aircraft structures - Optimizing the design of structural elements
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Bronstein, MichaelIsrael Aerospace IndustriesUNSPECIFIED
Geier, MartinUNSPECIFIEDUNSPECIFIED
Date:March 2013
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:preliminary aircraft design, dynamic loads
Event Title:53rd Israel Annual Conference on Aerospace Sciences
Event Location:Tel Aviv, Haifa/Israel
Event Type:international Conference
Event Dates:06. - 07. März 2013
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures & Materials (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Structural Mechanics
Deposited By: Böhringer-Thelen, Isolde
Deposited On:11 Nov 2013 16:36
Last Modified:08 May 2014 23:16

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