Volume 27 Issue 1
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YANG Jian-qiu, WANG Yan-rong. Structural design optimization method and program implementation for a hollow fan blade[J]. Journal of Aerospace Power, 2012, 27(1): 97-103.
Citation: YANG Jian-qiu, WANG Yan-rong. Structural design optimization method and program implementation for a hollow fan blade[J]. Journal of Aerospace Power, 2012, 27(1): 97-103.
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Structural design optimization method and program implementation for a hollow fan blade

  • School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 2011-01-01
  • Rev Recd Date: 2011-04-15
  • Publish Date: 2012-01-28
    Abstract
  • A bi-objective optimization model for a hollow fan blade was established for the purpose of minimizing the mass and radial displacement with the constraint of maximum Von Mises equivalent stress,based on the structural analysis of a hollow fan blade.The effects of design variables on the constraint function and objective functions were studied using orthogonal experimental design method,and the number of design variables was reduced as a result.The response surface metamodels of constraint function and objective functions were constructed using radial basis function method so as to improve the efficiency of structural design optimization and avoid a lot of finite element analysis during the optimization process.An example was solved for the purpose of studying the applications of metamodels and elitist non-dominated sorting genetic algorithm (NSGA-Ⅱ) for the bi-objective structural design optimization of a hollow fan blade,then a group of uniform Pareto solutions and some recommended optimal results of a hollow fan blade example were obtained.

     

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