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Development of a Multidisciplinary Process Chain for the Preliminary Design of Aircraft Structures

Schwinn, Dominik and Scherer, Julian and Kohlgrüber, Dieter and Harbig, Klaus (2013) Development of a Multidisciplinary Process Chain for the Preliminary Design of Aircraft Structures. In: Proceedings of NAFEMS World Congress 2013. NAFEMS World Congress 2013, 09.06.2013 - 12.06.2013, Salzburg, Österreich.

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Abstract

In the preliminary design phase of an aircraft development trade studies are conducted to find an optimized design for an aircraft fuselage which calls for fast and efficient model generation. Based on the standardized aircraft description format CPACS, a fully parameterized fuselage modelling tool was developed to generate global aircraft FE models for static sizing using shell elements for the skin and elastic beam elements for reinforcements and the floor structures. For a subsequent investigation of the crash behaviour the models can be refined locally in the expected impact regions by the use of fine shell elements to account for energy absorption methods - plasticity in case of a metallic or damage introduction in case of composite construction. Likewise some other regions may be modelled using a fine shell element mesh, e.g. the door surround structure which must not deform plastically in survivable crash load cases to assure its function as an emergency exit. In this paper the process chain and its data processing methods are presented in detail. Also benchmark tests for model generation were conducted and evaluated. Concluding, an outlook shows possible further development steps and potential future applications.

Item URL in elib:https://elib.dlr.de/86040/
Document Type:Conference or Workshop Item (Speech)
Title:Development of a Multidisciplinary Process Chain for the Preliminary Design of Aircraft Structures
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schwinn, Dominikdominik.schwinn (at) dlr.dehttps://orcid.org/0000-0003-2341-9632
Scherer, Julianjulian.scherer (at) dlr.dehttps://orcid.org/0000-0002-8054-4686
Kohlgrüber, Dieterdieter.kohlgrueber (at) dlr.dehttps://orcid.org/0000-0002-6626-0927
Harbig, KlausUNSPECIFIEDUNSPECIFIED
Date:June 2013
Journal or Publication Title:Proceedings of NAFEMS World Congress 2013
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Mesh generation, sizing, crash simulation, parameterized modelling, process chain
Event Title:NAFEMS World Congress 2013
Event Location:Salzburg, Österreich
Event Type:international Conference
Event Dates:09.06.2013 - 12.06.2013
Organizer:NAFEMS
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 - Structures and Materials
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Structural Integrity
Deposited By: Schwinn, Dominik
Deposited On:02 Dec 2013 13:07
Last Modified:31 Jul 2019 19:43

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