... aquaculture platform equation model test china government time domain mass point upstream oil & gas sub-sea system hydrodynamic force characteristic asia government engineering calculation aquaculture equipment hydrodynamic characteristic morison equation net cage cable...

... methods with HOBEM (Higher Order Boundary Element Method). The third step is to solve equation of motion. The pressure is recovered from the velocity potentials and the motions. These steps are usually done in frequency domain. The time domain responses can be obtained by solving equation of motion...

... based on a reduced order model. In addition, time domain hydro-servo-aero-elastic simulations of the coupled floating structure are performed considering wave excitation described by a white noise spectrum whereby the effective RAO's are computed from the corresponding time signals. Comparison between...

... upstream oil & gas wedge artificial intelligence simulation stress response transverse stiffener water entry time domain plate thickness numerical simulation flow field structural response duration time experimental data longitudinal stiffener stiffness Proceedings of the Thirty-first...

... by defining them as beam or truss elements. The radiation force on the buoy is transformed from frequency to time domain by state space method and implemented in the commercial software by defining a user element. For the fish net, ABAQUS has quite significant superiority in considering its nonlinear...

... ABSTRACT In this paper, in order to meet the Class requirement for ice class ship, a program based on Newmark algorithm was used to solve the transient vibration of propulsion shaft in time domain caused by propeller and ice impact. It was found that the speed of the main engine decreases...

... performance of floating platforms. The time domain method can be used to obtain the dynamic response of floating platforms by solving the differential equations of motion in time domain by using a numerical approach. When the time domain method is adopted, all the matrices of the differential equation...

..., the time-domain nonlinear dynamic analysis approach of fatigue damage is presented based on the wave theory and the differential equation. In addition, the fatigue damage model is established on the rain flow counting method, the S-N curve and the Miner linear cumulative damage method. Analysis results...

... of the floater, are rarely carried out. stiffness coefficient optimization subsea system extreme condition time domain wind energy tension response renewable energy equation chain line fowt mooring system operation condition tension force platform wind turbine 10-mw spar type wire rope...

...-linear effect of wave loads is significant. An indirect time domain method based on 3D nonlinear hydroelastic theory is used to calculate the design loads, which includes the nonlinear and elastic effect. The method is applied to the calculation of a 21,000 TEU ultra large container ship, and the results...

... software taiwan displacement jacket support structure turbine time domain wind energy Dynamic Load Comparison between Fully Coupled and Simplified Models on Offshore Wind Turbines with Jacket Support Structures under Seismic Conditions Wen-Jeng Lai1,2, Wei-Nian Su1, Chin-Cheng Huang1, Yi-Mei...

... numerical model wind wave numerical simulation coupling characteristic frequency range frequency model test calm buoy subsea system characteristic ool west africa sea response result buoy system skirt plate motion response time domain Analysis of Coupling Characteristics...

... costly CFD. In time domain, these full distributive loads are fed into RB-FEA, and the combination of these two powerful approaches enables new capabilities for detailed hydrodynamic and structural analysis of critical offshore assets. We demonstrate these capabilities with some illustrative examples...

... in a numerical model of the ship, resulting in a coupled multi-body system with the associated response. INTRODUCTION Background The numerical model of a ship in time domain is in general represented as a single body. Typically, only the adjustment of the stability (GM correction) is taken into account...

... fpso subsea system time domain numerical study roll response series 60 floating production system computation coupling ship motion experiment wave steepness simulation frequency hull solver tank lng fpso slosh algorithm upstream oil & gas Numerical Studies on Sloshing Loads...

...A Method of Dynamic Flooding Analysis in Time Domain for the Compartment Arrangement Design of a Ship Ki-Su Kim1), Myung-Il Roh2), Ju-Sung Kim1) 1) Department of Naval Architecture and Ocean Engineering, Seoul National University, 2) Department of Naval Architecture and Ocean Engineering...

..., RAOs (frequency domain) and motion response in irregular waves (time domain) were calculated. Resistance test and sea keeping performance test of wind turbine installation vessel model were carried out at the towing tank and the ocean engineering deep basin of Harbin Engineering University. The results...

... Abstract The results obtained from a computationally excessive full-scale time domain analysis of an offshore jacket structure quantifies the errors resulting from the assumptions and simplifications made in spectral fatigue analysis. These findings also indicate that the simplifications...

... and pitch coupled dynamical response under the stochastic environment condition. Wind velocity and wave surface elevation are obtained by the method of superposition of harmonic in the time domain. Different conditions of wind velocity are calculated using the Runge-Kutta numerical iterative algorithm...

...; coupled analysis; time domain. INTRODUCTION Wind energy is one of the most important renewable energy sources, so development of wind energy has great significance to solve the energy crisis and to protect the environment. Offshore wind power will occupy an important position in the future development...