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Application of Fluid-solid Coupling on Multidisciplinary Optimization Design for Turbine Blades
Received date: 2013-02-07
Revised date: 2013-06-13
Online published: 2013-07-12
This paper is a study on the multidisciplinary design optimization (MDO) involving coupling, because the MDO in the past failed to consider the coupling analysis of high precision. Taking both optimization efficiency and precision into consideration, this paper constructs a turbine blade optimization strategy with coupling based on collaborative optimization (CO). This strategy incorporates the variable complexity method (VCM) which is improved by the two-point scale function and the periodic updating technology and three accuracy classes (high, middle, low) of the analysis models, i. e. the fluid-solid coupled analysis, the single discipline analysis and the response surface approximate equation. The new strategy solves the difficulty of precision and efficiency, and shown to be able to complete the turbine MDO with satisfactory performance.
JIA Zhigang , WANG Rongqiao , HU Dianyin . Application of Fluid-solid Coupling on Multidisciplinary Optimization Design for Turbine Blades[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2013 , 34(12) : 2777 -2784 . DOI: 10.7527/S1000-6893.2013.0303
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