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Structural and Multidisciplinary Optimization

, Volume 57, Issue 3, pp 1345–1355 | Cite as

Automatic blade blend modeling and hexahedral mesh regeneration for aircraft engine optimization

  • Xiuli Shen
  • Wentong Hu
  • Jiang Fan
INDUSTRIAL APPLICATION
  • 271 Downloads

Abstract

Multidisciplinary Design Optimization (MDO) method has been widely investigated and applied in the aircraft engine design. In the conceptual and preliminary design phase of the aircraft engine turbine MDO, automatic modeling and mesh generation of the blend between the blade and the shroud are two key technologies. A robust algorithm should be able to perform well without the target recognition of the geometric feature of the blend. A strategy of hexahedral mesh regeneration based on the Topological Homeomorphism is presented in this paper, where improved parametric modeling can be obtained for the turbine blade and disk. The optimal solutions of low pressure turbine of an aircraft engine could be obtained to examine the feasibility and availability of automatic modeling and mesh regeneration. The simulation results demonstrate that the proposed method is capable of satisfying the requirement on material strength by optimizing the blade blend radius, where the total weight of blade and disk can be reduced by 5.882%.

Keywords

Automatic blade modeling Hexahedral mesh regeneration Topological homeomorphism Aircraft engine optimization 

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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Beijing University of Aeronautics and AstronauticsBeijingChina
  2. 2.Collaborative Innovation Center of Advanced Aero-EngineBeijingChina
  3. 3.Beijing Key Laboratory of Aero-Engine Structure and StrengthBeijingChina

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