Analysis of Swimming Bacteria with a Flexibile Flagellum

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  • 1220 差分法を利用する流体音の計算モデル

Abstract

Finite difference model is proposed to predict acoustics induced by turbulence in the wake of a body located in free stream. Flowfield generated around the body is calculated by applying a conventional procedure for incompressible fluid such as MAC scheme or distcrete vortex method. Hyperbolic differential equations which are equivalent to Lighthill wave equation of acoustic analogy are calculated to simulate aeroacoustic field generated from flow in the wake.

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