Castagne, Sylvie and Curran, Richard and Rothwell, Alan and Price, Mark and Bénard, Emmanuel and Raghunathan, Srinivasan A generic tool for cost estimating in aircraft design. (2008) Research in Engineering Design, vol. 18 (n° 4). pp. 149-162. ISSN 0934-9839
(Document in English)
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Official URL: http://dx.doi.org/10.1007/s00163-007-0042-x
A methodology to estimate the cost implications of design decisions by integrating cost as a design parameter at an early design stage is presented. The model is developed on a hierarchical basis, the manufacturing cost of aircraft fuselage panels being analysed in this paper. The manufacturing cost modelling is original and relies on a genetic-causal method where the drivers of each element of cost are identified relative to the process capability. The cost model is then extended to life cycle costing by computing the Direct Operating Cost as a function of acquisition cost and fuel burn, and coupled with a semi-empirical numerical analysis using Engineering Sciences Data Unit reference data to model the structural integrity of the fuselage shell with regard to material failure and various modes of buckling. The main finding of the paper is that the traditional minimum weight condition is a dated and sub-optimal approach to airframe structural design.
|Additional Information:||Thnaks to Springer editor. The definitive version is available at http://www.springer.com The original PDF of the article can be found at Research in Engineering Design website: http://www.springer.com/engineering/mechanical+eng/journal/163|
|Audience (journal):||International peer-reviewed journal|
|Institution:||Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE (FRANCE)|
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Other partners > Singapore Institute of Manufacturing Technology - SIMTech (REPUBLIC OF SINGAPORE)
|Deposited By:||Emmanuel Benard|
|Deposited On:||08 Mar 2011 10:38|
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