Efficient global optimization incorporating feasibility criterion for the design of a supersonic inlet

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The optimal design of a supersonic inlet is generally performed with expensive computer analysis such as the computational fluid dynamics. Thus, the feasibility criterion was incorporated into efficient global optimization (EGO) in order to efficiently perform optimal design of a supersonic inlet in this study. The strategy of EGO incorporating feasibility criterion is to improve computational efficiency by skipping unessential updation of the Kriging surrogate model of constraint function. The surrogate model is not updated when a new sample is expected to be feasible by feasibility criterion. The efficiency of EGO incorporating feasibility criterion was demonstrated by the test functions. Then, this method was applied to the optimal design of a supersonic inlet. The objective function is the coefficient of cowl drag. The constraint functions are the pressure recovery and mass flowrate. As a result, the EGO incorporating feasibility criterion for the design of a supersonic inlet was effectively performed with lower computational cost.
Publisher
SAGE PUBLICATIONS LTD
Issue Date
2012-11
Language
English
Article Type
Article
Keywords

PERFORMANCE

Citation

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING, v.226, no.G11, pp.1362 - 1372

ISSN
0954-4100
DOI
10.1177/0954410011424974
URI
http://hdl.handle.net/10203/103446
Appears in Collection
AE-Journal Papers(저널논문)
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