... self-developed to better describe the wave propagation, sediment transport, and the morphological responses of seabed during wave runup and drawdown. The finite volume method (FVM) is employed to discretize the governing equations of Navier–Stokes equations, combining with an improved volume of fluid...

... 2011 05 12 2011 05 12 2011 boundary layer turbulence external flows flow instability hydrodynamics Navier-Stokes equations pipelines vortices numerical models circular marine pipeline flat seabed turbulent flow high Reynolds number bedload sediment transport...

...Juan B. V. Wanderley; Sergio H. Sphaier; Carlos Levi The hysteresis effect on the vortex induced vibration (VIV) on a circular cylinder is investigated by the numerical solution of the two-dimensional Reynolds averaged Navier-Stokes equations. An upwind and total variation diminishing (TVD...

... deformation finite difference methods flow simulation hydraulic systems jets Navier-Stokes equations sediments solitons turbulence two-phase flow viscosity fluid-sediment interaction sediment transport numerical simulation multiphase generalized Navier–Stokes solver beach erosion scour...

.... The technique to predict wave loads was based on the use of a validated CFD code that solves the Reynolds-averaged Navier–Stokes equations. This code relies on the interface-capturing technique of the volume-of-fluid type to account for highly nonlinear wave effects. It computes the two-phase flow of water...

... Navier–Stokes equation with much less computational effort. Figure 11 compares the torque obtained by using DVM-UBC with the UBC towing tank test results and with numerical results generated by using other numerical methods (traditional 2D DVM and FLUENT ). Two scenarios are validated in this case...

... Navier–Stokes equations, with large-eddy simulation turbulence modeling and strip theory, which are solved numerically to obtain the flow field and determine the vortex-shedding behavior in the flow. The approach flow is a shear flow ranging in Reynolds number from 8000 to 10,000. Given the flow field...

... and is suitable for 3D riser VIV analysis in deepwater and complex current conditions. 19 02 2009 17 09 2009 17 03 2010 17 03 2010 Riser deflection time history, x / L = 0.5 beams (structures) computational fluid dynamics Navier-Stokes equations vibrations...

...-sloshing program are independently developed. In the ship-motion program, the hydrodynamic coefficients including wave-frequency forces and slowly varying drift forces are obtained from a 3D panel-based diffraction/radiation program. The time-domain sloshing program is based on the Navier–Stokes-equation...

... in regular following waves having a height of 19.6 m and a period of 16.0 s ( 10 ). Time histories of computed and measured pressures in the stern region of a large containership finite element analysis finite volume methods Navier-Stokes equations ocean waves ships stress analysis...

... simulation turbulence model and for the Reynolds number cases of 10 6 we make use of the unsteady Reynolds-averaged Navier–Stokes equations with a two-layer k -epsilon turbulence model. The rough surface modifications of the two-layer k -epsilon turbulence model due to Durbin et al. (2001, “Rough Wall...

... Navier–Stokes equations and relies on the interface-capturing technique of the volume-of-fluid type. It computed the two-phase flow of water and air to describe the physics associated with complex free-surface shapes with breaking waves and air trapping, hydrodynamic phenomena that had to be considered...

... Vorticity for V INJ = 4 × freestream 18 07 2006 09 02 2007 vortices Navier-Stokes equations flow instability stagnation flow channel flow motion control offshore installations It is important to realize that these examples of excessive VIM are not indicative...

... distribution up to the wave contour and the frequency dependence of the radiation forces (memory effect). Third, these nonlinearly computed ship motions constituted part of the input for a Reynolds-averaged Navier–Stokes equations code that was used to obtain slamming loads. Favorable comparison with available...

... to solve the 2-D incompressible Navier Stokes equations and a staggered approach is used to couple flow and structural response. Automatic mesh deformation and adaptation are used to handle arbitrary motion of the bodies. Comparisons with experimental results indicate that the present numerical method can...

...; final revision, March 2003. Associate Editor: S. Culisul. 01 October 2002 01 March 2003 02 03 2004 hydrodynamics wind vortices vibrations control systems computational fluid dynamics Navier-Stokes equations “Smart” (computer-controlled) marine thrusters...

... with positive axes pointing right and upwards. The basic equations for numerical calculations of the viscous damping are Navier-Stokes equations for unsteady incompressible viscous flows, which in cylindrical polar coordinate system r , y read: (6) 1 r ∂ ru ∂ r...

... computational fluid dynamics Navier-Stokes equations flow measurement water waves force Reynolds Averaged Navier-Stokes Grid Generation Turbulence Modeling Full-Scale Free Surface Propeller Plane Much of the hydrodynamic understanding of ships has been obtained through model...

... 2000 31 March 2000 09 March 2001 finite difference methods Navier-Stokes equations ocean waves nonlinear systems simulation Numerical Wave Tank Multidirectional Waves Finite-Difference Method Fully Nonlinear Free-Surface Navier-Stokes Equation Density Function Two-Layer...

...(00)00604-X] Numerical results based on solution of the Navier-Stokes equations are presented for two classes of offshore problems: fixed and elastically mounted structures. The fixed cases correspond to a circular cylinder with roughness elements attached in the supercritical regime while...