... data. Then, by implementing the trajectory tracking method based on rudder control, the free-running simulation for ship keeping a certain course in wind and wave is performed. The effects of environmental loads on speed loss are investigated by conducting the simulations for various environmental...

... ABSTRACT In the present study, the two-dimensional tidal current and oil spill numerical model was established by using MIKE21/SA (Spill Analysis). After validation, the model was applied to simulate the diffusion of the oil spill under the second phases of the reclamation project in Bodaozui...

... of crane vessels are based on floating body dynamics using convolution integral, and crane wire is treated as simple spring. Installation structure is assumed as a rigid body with 6DOF motion. As in the experiment, numerical simulations in regular wave are performed. Characteristics of vessel motion...

... in the model. The Cambridge model is modified and make it more responsive to the static characteristics of marine soft soil. The UMAT material constitutive subroutine of finite element software Abaqus is compiled, and a modified Cambridge model of marine soft soil is developed. The static triaxial simulation...

... of bodies developed by Wan Decheng's research team in Shanghai Jiao Tong University is used to numerically investigate complex ship motion problem in stopping maneuver. The simulation starts from the steady state of self-propulsion and the propeller is controlled to a reverse speed to achieve the ship...

... the operation of two or more cranes, which reduces the safety of the operation compared to using one offshore crane. Therefore, we must perform an analysis to confirm the stability of the operation in advance. In this paper, we have developed a simulation for offshore installation operation based...

... simulation cylinder experiment vibration fluid mech cross-flow direction numerical simulation coefficient circular cylinder vortex evolution kc 6 time series oscillatory flow vortex displacement numerical investigation cylinder motion regime upstream oil & gas...

... of Jiangsu Province was simulated. By comparing the seabed response results of four tests with cover stones under the same wave conditions, it shows that the thickness and porosity of the cover stones are two important parameters of anti-liquefaction capacity. INTRODUCTION The stability of composite...

... simulation. For the earthquake loading, Chen et al . (2018) has developed the analytical solution for layered porous seabed under vertical seismic motion. loading pressure response laboratory experiment reservoir characterization equation pore pressure meshfree method dynamic response...

... ABSTRACT A series of numerical simulations were carried out to investigate the current generation performance in deepwater ocean engineering basin (DOEB) of KRISO. In the numerical simulations, unsteady Reynolds averaged Navier-Stokes (RANS) equations were solved to study the flow...

... it to detect a line failure. The accuracy of the system is demonstrated using numerical simulations for an FPSO in various sea states, where a line break occurs at one time instant during the simulation. INTRODUCTION A moored floater is a 6-DOFs system where the loads are stochastic environmental loads...

... ABSTRACT Because of the continuous advances in computational fluid dynamics, the use of numerical simulation to assist ship and marine structure hydrodynamic performance prediction has become common. This paper presents a numerical study of the generation and propagation of long- crested wave...

... numerical model offshore pipeline mechanism hydrodynamic force instability hydraulic gradient upstream oil & gas flow-induced instability seepage flow maximum upward hydraulic gradient pipeline pipe-soil system submarine pipeline coupling simulation gradient flow velocity...

... social responsibility contour owc chamber simulation breakwater time series flow speed geometry wave elevation sustainability differential pressure wave period 8sec sustainable development renewable energy ocean energy cfd simulation wave elevation incoming orifice wave energy...

... wave height load cell upstream oil & gas cfd model mesh study experiment validation wave-current generation inlet boundary simulation inline force equation cylinder circular cylinder mesh cfd result calm water bow wave height boundary regular wave vertical cylinder...

... of the closed-loop system, a stability proof in the Lyapunov sense is carried out. The theoretical results were validated in numerical simulations using Matlab. These results show that the methodology presented in this work is highly satisfactory for the control gain selection in the trajectory tracking control...

... Floating Body Wave Interaction Simulation using a Lagrangian Approach André Baeten Augsburg University of Applied Sciences Augsburg, Germany ABSTRACT This paper focuses on an innovative modeling approach of a floating body in a continuous wave current. This approach is Lagrange-based providing...

...). current effect free surface boundary condition numerical simulation equation wave radiation interaction problem wave diffraction pressure distribution froude number fr 0 diffraction problem cylinder simulation body surface boundary condition fr 0 forward speed circular cylinder...

... Abstract In this study, three-dimensional numerical simulations are performed to study the VIV of two side-by-side cylinders of different diameters in a steady flow. The two cylinders are rigidly connected together and elastically mounted as a single body. The main aim of the study...

... Abstract The flow around a circular cylinder at Reynolds numbers near the drag crisis was numerically simulated based on a dynamic Smagorinsky Large Eddy Simulation (LES) model at two Reynolds of Re = 1.0 × 10 5 and 6.0 × 10 5 . The flow structures and the hydrodynamic force on the cylinder...