Hydrodynamic performance of a rim-driven thruster improved with gap geometry adjustment
The hubless rim-driven thruster (RDT) has become increasingly interesting for ship
propulsion. Gap flow has been proven as the main feature of RDT that cannot be simply …
propulsion. Gap flow has been proven as the main feature of RDT that cannot be simply …
Shape optimization and hydrodynamic simulation of a Magnus anti-rolling device based on fully parametric modeling
Ship anti-rolling devices are an essential component of modern vessels. The core
component of the Magnus effect-based ship anti-rolling device is a rotating cylinder …
component of the Magnus effect-based ship anti-rolling device is a rotating cylinder …
Data-efficient deep reinforcement learning with expert demonstration for active flow control
Deep reinforcement learning (RL) is capable of identifying and modifying strategies for
active flow control. However, the classic active formulation of deep RL requires lengthy …
active flow control. However, the classic active formulation of deep RL requires lengthy …
Effects of roll motion on linear and nonlinear gap resonances in a moonpool excited by various incident-wave heights
The linear and nonlinear gap resonances in a free-rolling moonpool are investigated using
a two-dimensional in-house code based on the constrained interpolation profile method …
a two-dimensional in-house code based on the constrained interpolation profile method …
Hydrodynamic simulation for evaluating Magnus anti-rolling devices with varying angles of attack
The effective operation of anti-rolling devices is important for ensuring ship safety, comfort,
combat capability, and performance. Stabilizers based on the principle of the Magnus effect …
combat capability, and performance. Stabilizers based on the principle of the Magnus effect …
Modified Magnus effect and vortex modes of rotating cylinder due to interaction with free surface in two-phase flow
When employing rotating cylinders as ship anti-rolling devices based on the Magnus effect,
the cylinders are near the free surface. However, most of the previous studies on rotating …
the cylinders are near the free surface. However, most of the previous studies on rotating …
Intelligent controller for unmanned surface vehicles by deep reinforcement learning
With the development of the applications of unmanned surface vehicles (USVs), USV
automation technologies are attracting increasing attention. In the industry, through the …
automation technologies are attracting increasing attention. In the industry, through the …
Numerical investigation of the scale effects of pump-jet propulsor with a pre-swirl stator
In this study, the performance of a pump-jet propulsor (PJP) with pre-swirl stator in open
water is numerically investigated. Both full-scale and model-scale configurations are …
water is numerically investigated. Both full-scale and model-scale configurations are …
Real-time prediction of ship motion based on improved empirical mode composition and dynamic residual neural network
N Gao, Z Chuang, A Hu - Ocean Engineering, 2024 - Elsevier
Ship motion attitude data have strong random and non-stationary characteristics under
severe sea states. Real-time and accurate prediction of the ship's motion attitude can …
severe sea states. Real-time and accurate prediction of the ship's motion attitude can …
Influence of jet flow on hydrodynamic performance of a ducted propeller
This study introduces a concept that jet technology in the aeronautical field is used for active
flow control to improve the hydrodynamic performance of a ducted propeller. Jet flow is …
flow control to improve the hydrodynamic performance of a ducted propeller. Jet flow is …