... ship oblique wave nonlinear simulation wave direction simulation coarse mesh interaction problem element method velocity vector acceleration potential algorithm free surface equation body surface pressure distribution derivative term roll motion ABSTRACT Harsh sea...

...). The other method, the free-surface Green's function, can automatically satisfy the free surface and radiation conditions in the boundary integral equation, so the singularities are only needed to be distributed on the wetted body surface. Because the coefficient matrix for the unknowns is full...

... body surface algorithm boundary conformal mapping image method hydrodynamic characteristic standard step auv pressure distribution conventional bem pressure coefficient distribution different element number truncation length element number computation plane half body surface...

... ship diagram oblique wave boundary value problem body surface velocity potential resistance Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai, China, June 5 10, 2022 Copyright © 2022 by the International Society of Offshore and Polar...

... north america government wave force upstream oil & gas platform hull loading condition drilling platform subsea system wave impact force body surface wave direction deep water jack-up preloading rao wave impact load united states government operation critical sea state...

... responsibility wind energy production logging vortex method renewable energy viscous fluid fluid velocity boundary ocean energy calculation fluid domain reservoir surveillance amplitude upstream oil & gas unknown variable vorticity free surface motion amplitude diffusion body surface...

... boundary value problem equation of state wind energy elevation horizontal force body surface vertical cylinder artificial intelligence high-frequency wave load A Nonlinear Potential Flow Model for High-frequency Wave Loads and Ringing Response of Offshore Wind Turbines Yi Zhang and Bin Teng...

... with the incident angles through the test on a typical semi-submerged platform DDS. The test also stressed the importance of yaw motion during the research on response of VIM. frequency characteristic body surface reynolds number vim platform floating production system vibration displacement mass...

... and involves in complex physical phenomena such as overturning, breaking and merging of free surface, severe changes in the wetted body surface. These complexities make the theoretical analysis and numerical simulation challenging usually. In this work, we study water exit of a spheriod by using experiments...

... be guaranteed throughout the computation. In order to trace the exact wave-body intersections i.e. waterline, the marker (intersection) is enforced to move along cross section line of body surface, which can take into account complex body geometry above still waterline. In the computation, HOBEM and 4th-order...

.... The turbine load is replaced for the orifice load in order to simplify the problem. In analysis of the wave motion, vortex method which can consider fluid viscosity is used. Vorticity layer model and Core-Spreading method are used in order to calculate vorticity creation from body surface and diffusion...

... been considered. The physical problem is solved by the boundary element method in the stretched coordinate system. The fully nonlinear boundary conditions are satisfied on the instantaneous free surface and the moving body surface. The auxiliary function method is used to decouple the body motion...

.... submerged sphere green function jip spar velocity potential large-amplitude motion free surface space-fixed system simulation engineering amplitude motion body surface equation time history time step computation wave force time-domain green function water depth convolution Time-domain...

... vorticity layer potential theory vortex method convection step experimental result equation calculation method stream function boundary condition boundary amplitude free surface body surface blob diffusion renewable energy boundary element method subsea system reservoir simulation vortex...

... simulation hybrid method coefficient artificial intelligence reservoir simulation forward speed exterior domain xiaowang tong free surface time-domain hybrid method wei sun body surface equation Numerical Simulation of Hydrodynamic Forces by Time-Domain Hybrid Method Wei Sun, Huilong Ren...

... points are distributed on the body surface: 844 1 1 1 1 1 1 1 1 1 11 1 1 B F I B F I d d d d S S S d d d S S S G ds G ds G ds n n n G GG ds ds ds n n n + + = + + (33) When the source points are distributed on the free surface or on the interface we can yield...

... method papanikolaou experimental data ship subsea system upstream oil & gas drift force free surface application body surface agreement nonlinear time domain hybrid method equation formulation simulation time domain Application of a Nonlinear Time Domain Hybrid Method to the Study...

... floating body, numerical difficulties still exist. For example, a challenge is to accurately track the intersection line between the free surface and the body surface. Basically, a finer mesh should follow the body when it is subjected to large horizontal motions. Another challenge is to solve...

..., is measured from its reflection and transmission wave coefficients obtained by BEM. For easy remeshing, each side of the body surface is represented by Bezier curves which can be drawn conveniently by a set of control points. This set of control points represents a chromosome of an individual/model. Genetic...

... system body surface spar platform boundary condition hydrodynamic force element method truss spar frame 001 28 fpso main particular heave plate equation upstream oil & gas floating production system mooring system mesh grid data time step numerical result offshore A Time-Domain...