Strategies to minimise numerical ventilation in CFD simulations of high-speed planing hulls

A Gray-Stephens, T Tezdogan… - International …, 2019 - asmedigitalcollection.asme.org
Numerical Ventilation (NV) is a well-known problem that occurs when the Volume of Fluid
method is used to model vessels with a bow that creates a small, acute entrance angle with …

Comparison of numerical solution and semi-empirical formulas to predict the effects of important design parameters on porpoising region of a planing vessel

Y Masumi, AH Nikseresht - Applied Ocean Research, 2017 - Elsevier
Stability of the marine vessels in different conditions is one of the most important problems in
the design of a planing vessel. In this research, the effects of some important design …

[PDF][PDF] Minimization of resistance of the planing boat by trim-tab

H Ghassemi, H Bahrami, A Vaezi… - International Journal of …, 2019 - researchgate.net
Trim-tab is a device for controlling the trim and improves the performance of the planing
boat. It is installed at the stern of the hull to adjust the longitudinal center of pressure (LCP) …

Minimizing numerical ventilation in computational fluid dynamics simulations of high-speed planning hulls

A Gray-Stephens, T Tezdogan… - Journal of …, 2021 - asmedigitalcollection.asme.org
Numerical ventilation (NV) is a well-known problem that occurs when the volume of fluid
method is used to model vessels with a bow that creates an acute entrance angle with the …

Numerical investigation of step depth effects on hydrodynamic performance of planing hull using dynamic mesh and two degree of freedom model

R Tork Chooran, R Shafaghat… - AUT Journal of Mechanical …, 2019 - ajme.aut.ac.ir
At low speeds, planing hull performs like a displacement one and buoyancy force has the
most influence on it, but, when it reaches to enough speed, hydrodynamic lift force …

Numerical Analysis of The Drag Reduction Performance of a Double M-Ship Boat With Stepped Planing-Air Coupling

Y Ya, Z Zhang, S Wang, S Li - Journal of Fluids …, 2024 - asmedigitalcollection.asme.org
In this paper, analyze the influence of the stepped planing structure on the drag performance
by observing waveform diagrams at the stern of the double M-ship and water-air and …

An experimental study of resistance of a mixture type semi-planing craft

W Shao, S Ma, Y Zhang, X Xing - Ocean Engineering, 2022 - Elsevier
In this study, a mixture type semi-planing craft is designed in order to improve transportation
efficiency of small ship. The natural ventilation technology is used in this craft. When the craft …

[PDF][PDF] Optimization of the drag force of planing boat with trim control system using genetic algorithm

A Sakaki, H Ghassemi, K Aslansefat… - American Journal of …, 2017 - researchgate.net
The control surface is an effective apparatus for improving the performance of planing boats
and is considered an important element in the design of planing boats. Trim-tabs are placed …

Numerical modelling of the nearfield longitudinal wake profiles of a high-speed prismatic planing hull

A Gray-Stephens, T Tezdogan, S Day - Journal of Marine Science and …, 2020 - mdpi.com
This study investigates the level of accuracy with which Computational Fluid Dynamics
(CFD) is capable of modelling the nearfield longitudinal wake profiles of a high-speed …

[PDF][PDF] Dynamic motions of the cabin mounted on the mono-hull planing boat using suspension system in waves

H Bahrami, H Ghassemi - Polish Maritime Research, 2022 - sciendo.com
The necessity for higher speed and appropriate seakeeping performance of boats has led to
extensive research. Hence, this research mainly discusses the optimal behavior of the boat …