流れ直角方向に振動する角柱の二次元流れ解析による空力特性評価 2-D Flow Analysis on Aerodynamic Characteristics of a Square Cylinder Oscillating in the Across-Wind Direction
This paper deals with the evaluation on aerodynamic characteristics of a square cylinder oscillating in the across-wind direction. Two-dimensional flow calculation was executed by using k-ε with a modified production eddy viscosity model. Calculated results were compared with experimental ones mainly obtained in this study. Firstly two patterns of aerodynamic response with different mass-damping parameters were predicted. Secondly unsteady lift acting on a oscillating cylinder were predicted. Although a slight difference was observed between predicted unsteady lift coefficients and experimental ones, accuracy in predicting aerodynamic response was far better than that of unsteady lift coefficients.
- JWE : 日本風工学研究会誌
JWE : 日本風工学研究会誌 70, 15-26, 1997-01-31
Japan Association for Wind Engineering