An Adaptive Surrogate Model Applied to the Design Optimizations of Waverider-Based Hypersonic Vehicle

Ping Li; Wan Chun Chen

doi:10.4028/www.scientific.net/AMM.110-116.5118

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 110-116An Adaptive Surrogate Model Applied to the Design...

An Adaptive Surrogate Model Applied to the Design Optimizations of Waverider-Based Hypersonic Vehicle

Abstract:

The primary objective of this work is to optimize the lift-to-drag ratio of a waverider-based configuration by a new global optimization method — the adaptive surrogate model (ASM), which is based on latin hypercube computer experiment and kriging surrogate model. Additional design points will be added in experiment set of points during iterative process. Design spaces of each variable are reduced by an adaptive reduction radius, which is improved gradually by the adaptive inconsistency of optimum solutions during the optimization process. Also the search efficiency and the accuracy of the optimization are compared with another global optimization scheme. At last, this paper gives maximum L/D optimization with restrictions of actual volumetric efficiency and the total mass, which shows that the adaptive surrogate model is quite suitable for the design optimization of waveriders.

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Periodical:

Applied Mechanics and Materials (Volumes 110-116)

Pages:

5118-5122

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.110-116.5118

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Online since:

October 2011

Authors:

Ping Li, Wan Chun Chen

Keywords:

Global Optimization, Hypersonic, Kriging Surrogate Model, Latin Hypercube Sampling, Waverider

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