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A Framework for Aerodynamic and Structural Optimization in Conceptual Design
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Maskinkonstruktion. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Fluid och mekanisk systemteknik. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Maskinkonstruktion. Linköpings universitet, Tekniska högskolan.
2007 (Engelska)Ingår i: 25th AIAA Applied Aerodynamics Conference, 25-28 June, Miami, FL, USA, AIAA , 2007, s. 4061-Konferensbidrag, Publicerat paper (Övrigt vetenskapligt)
Abstract [en]

Aircraft design is an inherently multidisciplinary activity that requires different models and tools for various aspects of the design. At Linköping University a novel design framework is being developed to support the initial conceptual design phase of a new aircraft. In this work main attention has been paid to wing design, with respect to aerodynamic efficiency and loads, and to structural analysis. By linking together various modules via a user-friendly interface based on a spreadsheet, the framework allows multidisciplinary analysis and optimizations to be carried out. This paper will present the framework, give an overview of its development status and give an indication on the future work.

Ort, förlag, år, upplaga, sidor
AIAA , 2007. s. 4061-
Nyckelord [en]
Aircraft design, multi domain optimization
Nationell ämneskategori
Teknik och teknologier
Identifikatorer
URN: urn:nbn:se:liu:diva-13307OAI: oai:DiVA.org:liu-13307DiVA, id: diva2:18277
Tillgänglig från: 2008-05-21 Skapad: 2008-05-21 Senast uppdaterad: 2009-04-22
Ingår i avhandling
1. On Aircraft Conceptual Design: A Framework for Knowledge Based Engineering and Design Optimization
Öppna denna publikation i ny flik eller fönster >>On Aircraft Conceptual Design: A Framework for Knowledge Based Engineering and Design Optimization
2008 (Engelska)Licentiatavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

This thesis presents a design framework where analytical tools are linked together and operated from an efficient system level interface. The application field is aircraft conceptual design. Particular attention has been paid to CAD system integration and design optimization.

Aircraft design is an inherently multidisciplinary process. The goal is to search for the design that, in the best of possible ways, fulfills the requirements. It is therefore desirable to be able to effectively investigate and analyze solutions from a variety of points of view, weighting together the results and gathering a general figure of merit. At the same time, increasing competition on a global market forces to shorten the design process and to reduce costs. Thus a system that allows a tight and efficient integration of different disciplines and improving data flow and storage plays a key role.

Integrating a CAD system to the framework is of central relevance. The geometrical model includes most of the information; specific data, required to carry out particular analysis, can be extracted from it. This is possible adopting parametric associative models that are controlled from a spreadsheet user interface. Strategies for building CAD models with a very high degree of flexibility are presented. Not only the external shape can be changed, but also the internal structure can be completely modified. Structural elements can be added or removed, and their position and shaping changed.

In this work the design of an Unmanned Aerial Vehicle is used as test case for comparing three different optimization algorithms. The presented framework is also used for automatically design Micro Aerial Vehicles, starting from a short list of requirements and ending with a physical prototype produced by a rapid prototyping machine.

Ort, förlag, år, upplaga, sidor
Institutionen för ekonomisk och industriell utveckling, 2008. s. 38
Serie
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1366
Nationell ämneskategori
Systemvetenskap, informationssystem och informatik
Identifikatorer
urn:nbn:se:liu:diva-11873 (URN)978-91-7393-880-8 (ISBN)
Presentation
2008-05-23, A33, Hus A, Campus Valla, Linköpings universitet, Linköping, 10:15 (Engelska)
Opponent
Handledare
Tillgänglig från: 2008-05-21 Skapad: 2008-05-21 Senast uppdaterad: 2020-03-29Bibliografiskt granskad

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Link to abstractLink to Licentiate thesis

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Amadori, KristianJouannet, ChristopherKrus, Petter

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