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Automated model generation and sizing of aircraft structures

Führer, Tanja and Willberg, Christian and Freund, Sebastian and Heinecke, Falk (2016) Automated model generation and sizing of aircraft structures. Aircraft Engineering and Aerospace Technology, 88 (2). Emerald Group Publishing Ltd.. DOI: 10.1108/AEAT-02-2015-0054.R1 ISSN 1748-8842

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Abstract

Purpose – To obtain a good start configuration in the early design phase, simulation tools are used to create a large number of product designs and to evaluate their performance. To reduce the effort for the model generation, analysis and evaluation, a design environment for thin-walled lightweight structures (DELiS) with the focus on structural mechanics of aircrafts has been developed. Design/methodology/approach – The core of DELiS is a parametric model generator, which creates models of thin-walled lightweight structures for the aircraft preliminary design process. It is based on the common parametric aircraft configuration schema (CPACS), which is an abstract aircraft namespace. DELiS facilitates interfaces to several commercial and non-commercial finite element solvers and sizing tools. Findings – The key principles and the advantages of the DELiS process are illustrated. Also, a convergence study of the finite element model of the wing and the fuselage and the result on the mass after the sizing process are shown. Due to the high flexibility of model generation with different levels of detail and the interface to the exchange database CPACS, DELiS is well suited to study the structural behaviour of different aircraft configurations in a multi-disciplinary design process. Originality/value – The abstract definition of the object-oriented model allows several dimensions of variability, such as different fidelity levels, for the resulting structural model. Wings and fuselages can be interpreted as finite beam models, to calculate the global dynamic behaviour of a structure, or as finite shell models

Item URL in elib:https://elib.dlr.de/103351/
Document Type:Article
Title:Automated model generation and sizing of aircraft structures
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Führer, TanjaInstitut für Faserverbundleichtbau und AdaptronikUNSPECIFIED
Willberg, ChristianInstitut für Faserverbundleichtbau und Adaptronik - AdaptronikUNSPECIFIED
Freund, SebastianInstitut für Faserverbundleichtbau und AdaptronikUNSPECIFIED
Heinecke, FalkInstitut für Faserverbundleichtbau und AdaptronikUNSPECIFIED
Date:2016
Journal or Publication Title:Aircraft Engineering and Aerospace Technology
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:88
DOI :10.1108/AEAT-02-2015-0054.R1
Publisher:Emerald Group Publishing Ltd.
ISSN:1748-8842
Status:Published
Keywords:Aircraft design, Multi-disciplinary design, Parametric model generation, Sizing
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, L - Structures and Materials
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Structural Mechanics
Deposited By: Führer, Tanja
Deposited On:14 Mar 2016 08:26
Last Modified:06 Sep 2019 15:18

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