Paper Title:
Flutter Analysis of Compressor Blade Based on CFD/CSD
  Abstract

Based on the CFD/CSD (Computational Fluid Dynamics / Computational Structural Dynamics) algorithm, flutter characteristic and fluid structure interaction (FSI) problems of turbomachinery blades were studied in present paper. The three-dimensional unsteady Navier-Stokes equations and three-dimensional structural model were solved by the finite volume method and the finite element method, respectively. High accuracy in calculation and data exchange were gained by using load transfer, deformation tracking and synchronization between two solvers. The procedure successfully simulated the aeroelastic responses of a high performance fan rotor, NASA Rotor 67, over a range of operational conditions, and the results were compared with the experiment. The results show that the flutter mechanics of the compressor blade could be illustrated based on mean pressure and the distribution of cycle work, which is helpful for the decision of compressor stability.

  Info
Periodical
Edited by
Shaobo Zhong, Yimin Cheng and Xilong Qu
Pages
8-12
DOI
10.4028/www.scientific.net/AMM.50-51.8
Citation
J. Cai, Q. Z. Xu, Z. Wang, "Flutter Analysis of Compressor Blade Based on CFD/CSD", Applied Mechanics and Materials, Vols. 50-51, pp. 8-12, 2011
Online since
February 2011
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$32.00
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