二次元物体を過ぎる流れの数値解析について

概要

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This paper describes a numerical analysis method for two-dimensional flow past an arbitrary shaped body. The flow separation from the body surface is included in the algorithm. The fluid is supposed to be perfect fluid except shear layers separated from the body surface. The shear layers are simulated by a discrete vortex method, and the diffusion of shed vortices is represented by a random walk model. Some treatments for the shed vortices are tried, according to the physical consideration, in order to obtain a reasonable flow field. The propriety and remained problem of this analysis method are discussed based on well known experimental results.
福山大学の論文