Search
Search Results
-
Multipoint Heave Motion Prediction Method for Ships Based on the PSO-TGCN Model
During ship operations, frequent heave movements can pose significant challenges to the overall safety of the ship and completion of cargo loading....
-
Experimental and numerical study on heave and pitch motion calculation of a trimaran
This paper investigates a calculation method for the heave and pitch motion of a trimaran, which includes direct and indirect calculation methods. In...
-
The effects of hydrodynamics load on the heave and pitch coupling oscillations of a plate
Heave plate is one of the most commonly used plates for controlling the movement of floating structures that are used for offshore deep water...
-
Numerical Study on Aerodynamic Performance of Floating Dual-Rotor Wind Turbines in Heave and Surge Motions
Compared with the traditional wind turbine of a single rotor, dual-rotor wind turbines (DRWTs) have higher wind energy capture efficiency and a more...
-
Wave Heave Compensation Based on An Optimized Backstep** Control Method
The vessel heave motion caused by wave action increases the difficulty of installing offshore wind equipment. Onboard wave heave compensation devices...
-
Dynamic behavior of lifting pipe with equivalent model under mining vessel heave motion
The lifting pipe is a key component of deep sea mining whose dynamic response directly affects the safety of the lifting operation. The objective of...
-
Prediction of Ship Heave Motion Using Regularized BP Neural Network with Cross Entropy Error Function
Accurate prediction of ship’s heave motion can greatly enhance the safety of offshore operation. Due to its complexity and nonlinearity, however,...
-
Identification of ship motion performance of coupled heave and pitch using experimental irregular time-series data
We propose to estimate parameters of the system model based on the equation of motion using the time histories of the wave elevation and the ship’s...
-
Transfer relation between subgrade frost heave and slab track deformation and vehicle dynamic response in seasonally frozen ground
Subgrade frost heave in seasonally frozen ground can greatly influence the safety and smooth running of high-speed trains and the service performance...
-
Dynamic Properties of Steel Catenary Riser near Touchdown Point Under Coplanar Vessel Heave and Vortex Induced Vibration
The present study establishes a simple numerical model for the coupled response of a steel catenary riser (SCR) subjected to coplanar vessel motion...
-
Effects of Free Heave Motion on Wave Forces on Two Side-by-Side Boxes in Close Proximity Under Wave Actions
Wave forces on two side-by-side boxes in close proximity under wave actions were analyzed using the OpenFOAM package. The upstream box heaved freely...
-
Modeling, system identification, and friction compensation of an actuator system for heave and surge wave energy converter experiments
A submerged, neutrally buoyant cylinder may be an attractive option for a wave energy converter design due to its potential for highly efficient...
-
Effect of heave plate hydrodynamic force parameterization on a two-body wave energy converter
Heave plates are one approach to generating the reaction force necessary to harvest energy from ocean waves. In a Morison equation description of the...
-
Effect of Heave Amplitude on the Propulsive Performance of Tandem Flap** Foils
The current study investigates the flow dynamics around rigid flap** NACA0015 foils in tandem configuration at low Reynolds number. The effect of...
-
Influences of Floater Motion on Gap Resonance Triggered by Focused Wave Groups
The current study investigates the hydrodynamic characteristics of gap resonance within a narrow gap formed by two adjacent boxes subjected to...
-
Numerical analysis of coupled sloshing and motion of a cylindrical FPSO in regular waves
In this paper, the coupled sloshing and motion characteristics of a cylindrical floating production storage offloading (CFPSO) are numerically...
-
Mathematical Modeling of Moored Ship Motion in Arbitrary Harbor utilizing the Porous Breakwater
The motion of the moored ship in the harbor is a classical hydrodynamics problem that still faces many challenges in naval operations, such as cargo...
-
Experimental and numerical study on motion instability of modular floating structures
The parametric resonance, found in a single floating body, discloses that the kinetic energy could be transferred from heave mode to roll mode and...
-
Hydrodynamic Response and Power Performance of A Heave and Pitch Buoy Wave Energy Converter Under Bimodal Ochi—Hubble Wave Spectrum
In coastal sea areas with the bimodal Ochi—Hubble wave spectrum, such as parts of the China Sea and Indian Ocean, wave energy is the superposition of...
-
Adaptive Control Based on Neural Network and Beetle Antennae Search Algorithm for an Active Heave Compensation System
In harsh sea conditions, a shipborne stable platform is required for smooth offshore operations due to the serious sway of the ship. Aiming at this...