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Finite-volume simulation of flows about a ship in maneuvering motion

机译:机动运动中船舶流动的有限体积模拟

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摘要

A finite-volume method of computing the viscous flow field about a ship in maneuvering motion was developed. The time-dependent Navier-Stokes equation discretized in The generalized boundary-fitted curvilinear coordinate sys- Them is solved numerically. A third-order upwind differencing Scheme, a marker and cell (MAC)-type explicit time marching Solution algorithm and a simplified subgrid scale (SGS) turbu- Lence model are adopted. The simulation method is formu- Lated, including the movement of a computational grid fitted To the body boundary that allows computation of the flow field Around a body under unsteady motion.
机译:提出了一种计算船舶运动中粘性流场的有限体积方法。数值求解广义边界拟合曲线坐标系中离散的时变Navier-Stokes方程。采用了三阶迎风差分方案,标记和信元(MAC)型显式时间行进求解算法以及简化的子网格规模(SGS)湍流模型。制定了模拟方法,包括安装到身体边界的计算网格的运动,该运动网格允许在非定常运动下计算围绕身体的流场。

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