Transactions of the Korean Society of Mechanical Engineers A (대한기계학회논문집A)

The Korean Society of Mechanical Engineers (대한기계학회)
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Shape Design of Passages for Turbine Blade Using Design Optimization System

최적화설계시스템을 이용한 터빈블레이드 냉각통로의 형상설계

  • 정민중 (Computation Biology Research Center, National Institute of Advanced Industrial Science & Technology) ;
  • 이준성 (경기대학교 기계시스템디자인공학부)
  • Published : 2005.07.01
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Abstract

In this paper, we developed an automatic design optimization system for parametric shape optimization of cooling passages inside axial turbine blades. A parallel three-dimensional thermoelasticity finite element analysis code from an open source system was used to perform automatic thermal and stress analysis of different blade configuration. The developed code was connected to an evolutionary optimizer and built in a design optimization system. Using the optimization system, 279 feasible and optimal solutions were searched. It is provided not only one best solution of the searched solutions, but also information of variation structure and correlation of the 279 solutions in function, variable, and real design spaces. To explore design information, it is proposed a new interpretation approach based on evolutionary clustering and principal component analysis. The interpretation approach might be applicable to the increasing demands in the general area of design optimization.

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References

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