Numerical calculation of aerodynamic forces for two-dimensional subsonic oscillating cascades by a Finite Element Method

Kuo Cheng Yang, Nobuhiko Yamasaki, Masanobu Namba

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Abstract

The paper presents an improved method of FEM to calculate aerodynamic forces for two-dimensional oscillation cascades in subsonic flows. The main improvements are a formulation to treat nonrigid vibration of blades and to provide an explicit Kutta condition for steady and unsteady calculations. Numerical calculations have been conducted to investigate the effects of the mean blade loading, chordwise displacements and nonrigid deformations upon unsteady aerodynamic forces and moments.

Original languageEnglish
Pages (from-to)253-280
Number of pages28
JournalMemoirs of the Kyushu University, Faculty of Engineering
Volume48
Issue number4
Publication statusPublished - Dec 1 1988

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All Science Journal Classification (ASJC) codes

  • Energy(all)
  • Atmospheric Science
  • Earth and Planetary Sciences(all)
  • Management of Technology and Innovation

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