Radiation Hydrodynamics of Floating Vertical Cylinder in Viscous Fluid
Publication: Journal of Engineering Mechanics
Volume 125, Issue 7
Abstract
Fully nonlinear axisymmetric viscous flow due to heave oscillation of a surface-piercing vertical cylinder is analyzed using a finite-difference method based on curvilinear coordinates. Of significance to numerical modeling is the present finding that the free-slip condition used to model the movement of the contact line affects neither the overall flow nor the hydrodynamic pressure force acting on vertical cylinder. The viscous-flow results are compared with fully nonlinear inviscid-flow results, which are obtained using a mixed Eulerian-Lagrangian formulation, to contrast the effects of viscosity on the flow field, hydrodynamic force, and radiating surface waves. New results are presented for a range of parameters to illustrate physical mechanisms of the inception and evolution of vertical structures due to body motion in a free surface and their effects on the hydrodynamic force.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 125 • Issue 7 • July 1999
Pages: 836 - 847
History
Received: Sep 24, 1998
Published online: Jul 1, 1999
Published in print: Jul 1999
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