... from the time domain phase-averaged model TOMAWAC is applied as a boundary to the frequency domain phase-resolving model ARTEMIS. The time series of wave parameters from ARTEMIS are constructed using the random phase method. The outputs from both models are integrated into the hydrodynamic mesh...

... an embedded boundary-based CFD solver with a moving ship to estimate the total resistance. To this effect, we perform model-scale simulations of the ONRT bare hull using our inhouse code IITM-RANS3D. The solver employs the fast-fictitious-domain (FFD) method to model the ship as a moving embedded boundary...

... these problems since it gives higher quantitative resolution than hydro-acoustics and higher areal coverage than physical sampling. Deep-sea mineral images combined with image processing algorithms can provide information about mineral distribution and abundance. The individual nodule boundary needs...

... vertical barriers with graded spacing for water waves. The effectiveness of this arrangement as breakwaters will also be tested. The 2D linear water wave theory will be used to model our problem, and the solution will be derived by using the boundary element method (BEM). Further, we will also look...

.... experimental data numerical model inflow boundary relaxation zone perforated caisson breakwater numerical result turbulence kinetic energy reflection boundary bergmann flume equation coefficient breakwater reflection coefficient wave reflection Numerical Analysis of Wave Reflection...

... earthquake permeability seabed response liquefaction upstream oil & gas artificial intelligence pore water pressure boundary condition simulation dynamic loading boundary computational domain engineering Response of a porous seabed under natural dynamic loading using Meshfree method Shuang...

... Reynolds numbers, then examined the effects of Reynolds number on the statistical characteristics of the cylinder wake and the shear-layer instability. wave height load cell upstream oil & gas cfd model mesh study experiment validation wave-current generation inlet boundary simulation...

...-dimensional numerical studies of VIV are still performed at relatively low Reynolds numbers in the turbulent wake flow regime. For example, all the above examples of 3D numerical studies have been performed at Reynolds numbers less or equal to 1000. circular cylinder cylinder diameter boundary...

... upstream oil & gas wave-current interaction huanghua harbor zhang normal wave value computed value normal wave-current interaction water level boundary interaction model verification tidal current coastal water verification jetty strong wave-current interaction computed value...

... simulations in coastal waters; the incoming two-dimensional wave spectral pattern on model boundaries. coastal water spectral boundary boundary point spectra wave spectra sept boundary iteration number shallow water time step resolution observation station dwr different time step...

... flume follows the S-shape distribution law. The flow rate has a larger velocity gradient only at boundaries, while in the central area of the flow field, the velocity gradient remains small and the curve fits a cubic function. The radial distribution of velocity is linear and the velocity decreases from...

... with the nonlinear shallow water wave generation theory, in which the wave direction, non-uniformity and nonlinearity along with the numerical-physical-boundary can be completely included. Several comparisons between numerical and physical waves have been conducted. Comparisons of the proposed second order coupling...

... to reproduce the desired wave profiles satisfactorily. There exist some slight discrepancies in the water height at the upward and downward slopes immediately away from the crest for the incompressible SPH model. The subsequent maximum run-up height on a vertical boundary agrees well with the published...

... reasonable results and predicts better velocity fields than previous model. cylinder roulund pressure coefficient boundary pier boundary condition coefficient dargahi equation circular cylinder vertical direction velocity field horseshoe vortex tvd scheme upstream oil & gas...

... boundary treatment for SPH method is proposed to remove reflection of pressure wave against the solid boundaries of computational domain. The water jet generated at the early stage of water entry and the cavity induced by the free surface sealing are reproduced for the case of the vertical water entry...

... ABSTRACT: A FEM model with unstructured triangular elements based on the modified Boussinesq equations is developed in this paper. A local coordinate system at the reflecting boundary is introduced to improve the treatment of the oblique waves on the reflecting boundaries. The Adams-Bashforth...

... as their influence upon the water ring. Waves are launched by two components of flow velocity and free surface elevation at inlet boundary. Irregular wave is presented according to Pierson - Moskowitz spectrum by sum of first order waves with random phases. Wave loads acting on the pontoon are predicted...

... efficiency. Overtopping Wave Energy Convertor (OWEC) has the sloping walls and reservoirs to lift waves to the levels above the average surrounding ocean. upstream oil & gas boundary energy convertor reservoir research and development equation renewable energy simulation ramp...

... above the average surrounding ocean. The released reservoir water is used to drive hydro turbines or other converting devices. incident wave straight line type owec device characteristic sustainable development sustainability numerical wave tank reservoir convex type boundary...

... ABSTRACT: To study the nonlinear wave interaction with large submerged, rectangular breakwaters, the writers developed a fully nonlinear numerical wave tank, which is based on the mixed Eulerian-Lagrangian (MEL) formulation. The desingularized boundary element method (DBIEM) is adopted here...