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Journal of Zhejiang University SCIENCE A

ISSN 1673-565X(Print), 1862-1775(Online), Monthly

An approach for shape optimization of stratosphere airships based on multidisciplinary design optimization

Abstract: Airship shape is crucial to the design of stratosphere airships. In this paper, multidisciplinary design optimization (MDO) technology is introduced into the design of airship shape. We devise a composite objective function, based on this technology, which takes account of various factors which influence airship performance, including aerodynamics, structures, energy and weight to determine the optimal airship shape. A shape generation algorithm is proposed and appropriate mathematical models are constructed. Simulation results show that the optimized shape gives an improvement in the value of the composite objective function compared with a reference shape.

Key words: Airship shape, Multidisciplinary design optimization (MDO), Adaptive simulation annealing, Stratosphere airship


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DOI:

10.1631/jzus.A0820814

CLC number:

V27

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Cited:

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Received:

2008-11-21

Revision Accepted:

2009-04-20

Crosschecked:

2009-09-10

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