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Manufacturing Process Adaptation for the Cost/Weight Optimization of Aircraft Structures
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Lightweight Structures.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Lightweight Structures.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Lightweight Structures.ORCID iD: 0000-0002-9744-4550
2008 (English)Conference paper, Published paper (Other academic)
Abstract [en]

Composite materials can be used in primary structures of an aircraft if a cost-efficient design is applied. In earlier work, a cost/weight optimization framework has been presented. This is now enhanced by a module that minimizes the manufacturing cost in each iteration by the adaptation of manufacturing parameters. The framework itself is modular and applicable to arbitrary parts and geometries; therefore, commercially available software modules are used. The framework extension is added to an existing cost/weight optimization implementation and tested on an airliner center wing box rear spar. Three opti-mization runs are performed, and a low-cost, an intermediate and a low-weight design solution are found. The difference between the two antagonistic solutions is 4.4% in manufacturing cost and 9.7% in weight. Based on these optimization trials, the effect of the parameter adaptation module is analyzed.

Place, publisher, year, edition, pages
2008.
National Category
Aerospace Engineering
Identifiers
URN: urn:nbn:se:kth:diva-56316OAI: oai:DiVA.org:kth-56316DiVA: diva2:472339
Conference
European Conference on Composite Materials 13, Stockholm
Note

QC 20120117

Available from: 2012-01-17 Created: 2012-01-03 Last updated: 2016-12-09Bibliographically approved

Open Access in DiVA

fulltext(492 kB)194 downloads
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Type fulltextMimetype application/pdf

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
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Language
  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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Output format
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