Turbulent Flow Induced by Full-Scale Ship in Harbor
Publication: Journal of Engineering Mechanics
Volume 125, Issue 7
Abstract
A chimera Reynolds-averaged Navier-Stokes (RANS) method has been developed for time-domain simulation of transient flow induced by a ship approaching a berthing facility. The method solves the mean flow and turbulence quantities on embedded, overlapped, or matched multiblock grids. The unsteady RANS equations were formulated in an earth-fixed reference frame and transformed into general curvilinear, moving coordinate systems. A chimera domain decomposition techniques has been employed to accommodate the relative motions between different grid blocks. Calculations have been performed for a full-scale motor vessel in berthing operations. Comparisons have been made between the computations and measurements to demonstrate the feasibility of the chimera RANS approach for time-domain simulation of the hydrodynamic coupling between the ship and berthing structures. The numerical solutions successfully captured many important features of the transient flow around a berthing ship, including the underkeel flow acceleration, wake flow separation, and water cushioning effects between the ship and harbor quay wall.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 125 • Issue 7 • July 1999
Pages: 827 - 835
History
Received: Sep 30, 1998
Published online: Jul 1, 1999
Published in print: Jul 1999
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