... foundation floating production system heave air tank asfp fpso air chamber wind energy centroid platform free surface o-xyz coordinate system subsea system contribution coordinate system displacement water depth renewable energy tank wind turbine pitch angle offshore wind turbine...

... that the floating foam layer can efficiently damp the free surface oscillations and reduce the pressure amplitude in a tank. Higher-order frequency components of the hydrodynamic pressure in the tank gradually vanishes as the foam thickness increases. Considering the economy in practice, the thickness of the foam...

... function is newly proposed to control the inlet and outlet velocities of the multiple culverts for the desired current velocity profile. Through various numerical simulations, discussion are made on free surface elevation, effect of initial ramping operation, effect of false bottom plate, and full 3D...

... transportation calculation wavelength drag force freight & logistics services amplitude ocean engineering overset region experiment short wavelength base mesh size free surface ship engineering lng carrier resistance CFD Application for Prediction of Ship Added Resistance in Waves Byung...

... requested. energy conservation upstream oil & gas frequency cfd simulation surge response free surface model scale time window resistance head sea superposition time series model test grid transfer function irregular wave ship froude number spectrum reservoir simulation...

... and a force sensor. To minimize the influence of bubbles on the calmness of free surface, the bubble generator is improved with quartz covered on its surface and a flow mass controller is utilized to control the flux of gas introduced into the water precisely. The experimental results show the central region...

...-DOF model to analysis the motion of the ship, the single phase level set method was applied to capture free surface flow around ship, the overset grid technique to simplify the rudder angle and ship rotating motion under the force of the rudder and a prescribed body-force propeller model is adopted...

.... The simulation is achieved by the method which involves higher-order upwind scheme, a blended k– ω / k–? two-equation turbulence model, free surface tracking approach, structured overset grid and 6 degrees of freedom motion method. The resulting roll period is 1.74% shorter than the experimental data...

... is an in-house developed code. RANS equations are solved by finite difference method and PISO arithmetic. Level-set method is used to simulate the free surface. Computations were performed for the standard DARPA SUBOFF model. The structured dynamic overset grid is applied to the numerical simulation of submarine...

... Navier-Stokes equations are resolved with RNG k-e turbulence closure model. The undulation of the free surface is captured by the volume of fluid (VOF) method. Numerical simulations are carried out with the manta ray oriented with the longitudinal axis at attack angles of -5, -2.5, 0, +2.5 and +5 degrees...

... simulation engineering two-phase flow model free surface wave impact probe Numerical Simulations of Breaking Waves at Vertical Wall F. Gao and J. Zang Department of Architecture and Civil Engineering, University of Bath Bath, United Kingdom ABSTRACT In this paper, a two-phase flow model is presented...

... Abstract Numerical simulation is done for the investigation of the free surface effect on the cavity shape of a hydrofoil in shallow water. The air- vapor-water three phases flow around the hydrofoil is resolved using the scale adaptive simulation (SAS) method. The two interfaces, i.e. the air...

... of the study, two vortex methods, the Random-Walk method and the Core-Spreading method, are applied to vertical oscillating plate under free surface. Hydrodynamic forces on the plate are calculated and compared with experimental results. INTRODUCTION It has been required that the ocean space is effectively...

... ABSTRACT: A two phase Smoothed Particle Hydrodynamics method is developed to simulate the violent deformation of the free surface and the formation of the cavity induced by the two dimensional wedge entering water. The flow field of water and air are computed simultaneously. A non-reflection...

... ABSTRACT: The hydrodynamic force acting on a fin oscillating beneath a free surface is investigated. To safely utilize floating structures under severe environmental conditions in the sea, the motion of the floating body and the mooring forces acting on the body should be reduced. To decrease...

... there are no suitable theoretical or numerical methods available for structures that deviate from standard shapes in appearance. navier-stoke equation fluid dynamics experimental data liu discharge submerged dike composite profile free surface surface elevation seawall numerical simulation main...

... (Buchmann et al, 1998). They presented the results of the diffractive run-up of wave-current interaction with a structure in a flume. vertical cylinder wave runup eatock taylor fn 0 velocity potential boundary element method wave-current-body interaction teng body surface free surface...

...; Kashiwagi, 1996) and floating body motions (Isaacson,1982; Kashiwagi, 1998) etc. boundary condition free surface wave tank time step elevation time history numerical wave tank integral equation equation element method reflection boundary nonlinear wave source distribution simulation...

... or Helmholtz) mode, where the water inside the moonpool heaves up and down more or less like a rigid body. Water motions in the moonpool can be excited through different mechanisms, in waves or in calm water with forward speed of the vessel. In this paper ‘submerged cavity or opening with free surface...

... by the jet. Based on a lot of simulating with jet velocities varied from 1 to 12 times the mean velocity of the cross flow, the bed effect and the free surface effect on the concentration distribution are revealed. The model is validated by comparing numerical results with other scholars' numerical results...