... ABSTRACT The article touches upon an unsteady rectilinear motion of a submarine in a liquid under an ice sheet. Ice cover is modeled by a viscoelastic ice plate. The viscoelastic properties of ice are described using the Kelvin-Voigt model. Free surface fluid flow past system of sources...

...-CGCFD). The numerical simulation results of vertical acceleration, slamming load and evolution of free surface are compared with the model test data. Results show that the present method can solve the water-entry of trimaran section accurately, and the slamming loads on cross deck are reduced by the air...

... can provide a valuable reference for further investigations for the design of the polar ship or vessels that will operate on polar seas. climate change simulation hull marine transportation flooding process free surface ship ocean eng numerical investigation ice floe compartment...

... slope resistance head sea computation free surface wavelength motion response free-running test ocean engineering prediction experiment wave case ship performance test method propeller Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai...

... the hydrostatic pressure; is the acceleration of gravity; 1934 is the surface tension coefficient and is the curvature of the free interface. The motion response analysis of mooring floating structures is a two-phase flow problem, so the treatment of free surface is very important. The volume of fluid (VOF...

.... The Navier-Stokes equations are solved by the projection method. A constrained profile (CIP) method is applied for the convection term. The tangent of hyperbola for interface capturing with slope weighting (THINC/SW) method is used to simulate the variation of the free surface. Numerical results based...

... extremely high impact pressure peaks at some places of the wall surface. Numerical results are compared with experimental measurements regarding both free surface elevation and pressure on the wall. In general, a good agreement of the simulations with the measurements is obtained for free surface elevation...

... fluid dynamics micro-nano bubble wavelength oxygenation port flow in porous media outflow rate equation feed particle diffusion free surface deep-sea cage fish feed ocean engineering concentration injection method upstream oil & gas flow field aquaculture cage flow velocity...

... radiated wave elevation cylinder wave elevation navier-stoke equation wave amplitude upstream oil & gas approximation euler approximation free surface engineering boundary condition non-linear case Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering...

... al., 2015), and T-type baffles (Wang et al., 2016). subsea system baffle engineering water depth amplitude tank diameter free surface ball diameter liquid tank foam ball foam layer fs 0 0 ocean engineering foam diameter mitigation effect wave height thickness experiment...

... roll amplitude forward speed bilge keel fn 0 roll damping ship harmonic forced roll damping reservoir simulation coefficient dist free surface roll motion rudder background region naval hydrodynamic mesh size experiment ABSTRACT Roll damping is an input parameter...

... position upstream oil & gas subsea system decay curve ocean engineering heave decay curve experimental result displacement free surface ABSTRACT Anti-motion structures are commonly used to improve motion performance of cylindrical FPSO. In present work, the self-developed naoe-FOAM-SJTU...

..., including hemispherical head and cone-shaped head (90°~150°). During the water entry of these free-falling projectiles, splashing water, the deformed free surface and the cavity evolution behind the cylinder are presented, which show agreement with experimental data. Vertical velocities and forces obtained...

... of high-speed hydrofoils and marine propeller placed in a numerical pool with free surface is studied by numerical simulation. Based on the pressure reduction coefficient and cavitation number at the section of propeller blade at a certain immersion depth, the occurrence mechanism of cavitation...

... the accuracy of the predicted impact pressure. The time histories of the wave elevation and pressure at each probe are presented as well as the frequency analysis. In addition, the evolutions of free surface and pressure distribution are further provided to achieve a better understanding of this complex wave...

..., this platform has several inner free surfaces, so wave resonance is more likely to happen due to the excitation of ocean waves and leads to large structural responses. In this paper, a new kind of three-dimensional hydroelastic analysis method in time domain is developed to predict responses of a preliminary...

... Abstract Detection of free surface waves signature induced by submarine in the stratified environment has been a canonical question. In this paper, we investigate the main body aspect ratio of a generic submarine effect on the free surface waves using RANS simulation. The slenderness ratios L...

.... A constrained interpolation profile (CIP) method is applied for the convection term. The HYPRE library is adopted for the Poisson equation. The tangent of hyperbola for interface capturing with slope weighting (THINC/SW) method is used to simulate the variation of the free surface. The benchmarks are the flow...

... Abstract Vertical plunging jet is a typical multiscale two phase flow problem, in which a large amount of microbubbles are formed by the impingement of liquid jet with free surface. Traditional numerical simulation methods are difficult to reproduce both the large scale phase interface...

... expansions are adopted in this study. relation stream function fenton shear current gerstner strength boundary condition vertical axis coordinate system water wave vorticity wave length shin horizontal axis equation euler equation free surface proceedings wave period rotational...