A calculation code of numeriCal simulation of complete Reynolds-averaged Navier-Stokes(RANS) equations for three-dimensional viscous flow around a ship is developed in this paper using an improved separated-layer fini...A calculation code of numeriCal simulation of complete Reynolds-averaged Navier-Stokes(RANS) equations for three-dimensional viscous flow around a ship is developed in this paper using an improved separated-layer finite analytic(SLFA) method. And the k-εmodel is used to compute the turbulent stress. An improvement is also made for grid generation in the aspectS of saving the run time and controlling the grid density in the near wall region. The SIMPLEM algorithm, superior to the well-known SIMILER algorithm, is adopted for speeding up the iterations of the coupling between the pressure and velocity under the unstaggered gild.Rather satisfied agreements with the experimental results are achieved for the Wigley mathematic hull at the Reynolds number of 1. 0×106.展开更多
文摘A calculation code of numeriCal simulation of complete Reynolds-averaged Navier-Stokes(RANS) equations for three-dimensional viscous flow around a ship is developed in this paper using an improved separated-layer finite analytic(SLFA) method. And the k-εmodel is used to compute the turbulent stress. An improvement is also made for grid generation in the aspectS of saving the run time and controlling the grid density in the near wall region. The SIMPLEM algorithm, superior to the well-known SIMILER algorithm, is adopted for speeding up the iterations of the coupling between the pressure and velocity under the unstaggered gild.Rather satisfied agreements with the experimental results are achieved for the Wigley mathematic hull at the Reynolds number of 1. 0×106.
