Approximate Prediction of Flow Field around Ship Stern by Asymptotic Expansion Method

Examination of a 2-Equation Model of Turbulence for Calculating the Viscous Flow around Ships

“…(Townsin 1969, Ikehata et al 1971 For examples, there are the unstable phenomena in selfpropulsion test (Watanabe 1969), the great irregular vibrating propeller force, the unsteady propeller cavitation and so on. Hitherto, while many calculation methods for 3-dimensional viscous flow around ships have been proposed and examined their reliability from the coincidence of velocity and pressure with the experiment (Himeno and Tanaka 1976, Mori 1978, Soejima and Yamazaki 1978, and others), these have not been examined from the coincidence of turbulent properties. The reason lies partly that the detailed experiment studying turbulent properties around ship is very difficult except few examples (Ikehata et al 1971, and others), and partly that calculation methods are little paid attention to the modelling of turbulence.…”