... are used to approximate the restoring mechanism due to mooring system. The proposed empirical viscous correction works very well in comparison to the model tests of free decays in calm water. For the FOWT exposed to focus waves, significant low-frequency (LF) surge and pitch motions are observed...

... ABSTRACT An accurate maneuvering mathematical model is essential in ship motion prediction and autonomous navigation. This article analyzes the hydrodynamic characteristics and establishes a maneuvering mathematical model of an Azimuth-Stern-Drive ship. The virtual captive model tests...

... forecasting (N-BEATs) was employed to predict heave motion of a semi-submersible. N-BEATs pioneered a new algorithm to solve nonlinear time series problems, which realized time series prediction only through the deep fully connected neural networks. The dataset came from deep-water ocean basin model test...

... are undertaken using towing tank model tests and CFD numerical simulations. Stern flap parameters are predicted by trial and error or from the inputs of previous successful installations. Since the traditional approach is time-consuming and costly, only a few design configurations can be evaluated. The best...

... neural network hull form regression model prediction result marine transportation prediction artificial intelligence coefficient model test prediction model deep learning machine learning power prediction test data open water characteristic ship propeller wake fraction section...

... reflect the final attained EEDI, a proposal MEPC74/5/30 submitted by China in 2019 details the method of obtaining the thrust matrix of wing sails based on wind tunnel model tests of ships with and without sails (MEPC74/5/30, 2019). In France's proposal MEPC 76/6/7, an alternate way of deriving the thrust...

... when the rear wall of the hole moves backwards just a little, because the acoustic equipment is covered with massive bubbles. This paper studies the flow through an opened hole on ship bottom by investigating the fluid movement in the opened hole in combination with the observations in model test...

... 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...

... AQWA). The numerical model is a time domain model (i.e., Orcina OrcaFlex ). Its ship motion computation also bases on Boundary Element Method results. Additionally, the validation dataset from physical model tests is presented. In this validation dataset, different load masses are used to estimate...

..., conducts time domain analysis, calculates the motion from time domain analysis for 10-year non-cyclone conditions of dry towing key points, and conducts comparative analysis in combination with model test. In addition, the water immergence analysis of FPU when dry tow under typical transport conditions...

... ABSTRACT In this paper, turning trial results in ice were compared with performance predicted from the model tests using a couple of test methods for an ARC7 LNG carrier. Because of the limited width of model basin, the turning circle is approximated from the measured track in the ice after...

... resistances at different icebreaking speeds obtained by FEM/SPH coupling method and model test are compared. It is obtained that: (1) the FEM/SPH coupling method is able to simulate the ship/ice/water coupling effect, (2) and the deviations of ice resistances obtained by numerical simulation are within 15...

... ABSTRACT This paper proposes a towed propulsion test method to evaluate vessel performance in ice. The paper also proposes a method to test two different ice flexural strengths in the two level ice channels and one presawn ice channel in a single ice sheet. Outcomes of the proposed model tests...

... ABSTRACT In this study, a free surface type of Anti-roll Tank (hereinafter ART) is applied to reduce the roll motion of a containership. In order to obtain roll damping characteristics and roll motion responses of the containership with and without ART, a model test was carried out including...

... methods and compares the evaluated motion responses to a method whereby the internal tanks are modelled using Boundary Element Method (BEM), and also compares against model test results. KEY WORDS: Free surface correction; sloshing; partially filled internal tanks; hydrodynamic analysis; roll center...

... for the DeepCWind semisubmersible model tests in a test condition with irregular waves and steady wind. INTRODUCTION In current industry practice, global performance analysis for offshore floaters is typically carried out by potential-theory-based mid-fidelity tools, which require empirical parameters to model...

..., performs extensive studies and model tests to determine the best technology for each new LNG carrier under construction. This involves simulating the ship's motions under various sea conditions and performing statistical analysis of the test results to propose the optimal containment system. This process...

... ABSTRACT A comb-type floating breakwater is a new type of wave dissipation structure that has certain advantages in force and dissipation performance due to the two wave-reflection surfaces. Through physical model tests, the hydrodynamic characteristics of a comb-type floating breakwater fixed...

...-induced motion on structural strength, motion response, and safety index. At present, the methods commonly used to study vortex-induced motion are model test, CFD (Computational Fluid Dynamics) simulation technology, and full-scale observation. Full-scale observation method can provide guidance...

... movement. The focus of this study is investigating the effect of the LNG tank on the LNG carrier's motion and wave drift forces. In order to investigate the effect of the LNG tank, a model test in waves of LNG carrier was conducted in the wave tank at Changwon National University with and without the LNG...