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Computational fluid dynamics-based hull form optimization using approximation method [PDF]

open access: yesEngineering Applications of Computational Fluid Mechanics, 2018
With the rapid development of the computational technology, computational fluid dynamics (CFD) tools have been widely used to evaluate the ship hydrodynamic performances in the hull forms optimization.
Shenglong Zhang   +4 more
doaj   +2 more sources

Hybridization of Multi-Objective Deterministic Particle Swarm with Derivative-Free Local Searches [PDF]

open access: yesMathematics, 2020
The paper presents a multi-objective derivative-free and deterministic global/local hybrid algorithm for the efficient and effective solution of simulation-based design optimization (SBDO) problems.
Riccardo Pellegrini   +5 more
doaj   +4 more sources

A Mesh Deformation Method for CFD-Based Hull form Optimization [PDF]

open access: yesJournal of Marine Science and Engineering, 2020
Computational fluid dynamics (CFD) is an effective tool for ship resistance prediction and hull form optimization. A three-dimensional volume mesh is essential for CFD simulation, and mesh generation requires much time and effort.
Kwang-Leol Jeong, Se-Min Jeong
doaj   +2 more sources

Hull form optimization with a new three-dimensional deformation strategy [PDF]

open access: yesScientific Reports
As a variant of the Lackenby method, the shifting method is widely used for global geometric deformation in hull form optimization. However, similar to the traditional approach, it is confined to longitudinal transformations, limiting adjustments in beam
Dezhi Wei   +5 more
doaj   +2 more sources

Hull-form optimization of KSUEZMAX to enhance resistance performance

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2015
This paper deploys optimization techniques to obtain the optimum hull form of KSUEZMAX at the conditions of full-load draft and design speed. The processes have been carried out using a RaPID-HOP program.
Jong-Heon Park   +2 more
doaj   +3 more sources

Application of Adaptive Sampling Method in Hull Form Optimization

open access: yesShanghai Jiaotong Daxue xuebao, 2022
In order to handle the problem of complex and time-consuming simulation calculation in hull form optimization, the approximate model based on adaptive sampling has been widely used.
OUYANG Xuyu, CHANG Haichao, LIU Zuyuan, FENG Baiwei, ZHAN Chengsheng, CHENG Xide
doaj   +2 more sources

Research on the Karhunen–Loève Transform Method and Its Application to Hull Form Optimization

open access: yesJournal of Marine Science and Engineering, 2023
Hull form optimization becomes prone to the curse of dimensionality as the number of design variables increases. The traditional sensitivity analysis method requires massive computational fluid dynamics (CFD) computations and analyzing the effects of all
Haichao Chang   +5 more
doaj   +1 more source

Optimizing the Seakeeping Performance of Ship Hull Forms Using Genetic Algorithm [PDF]

open access: yesTransNav, 2014
Hull form optimization from a hydrodynamic performance point of view is an important aspect of ship design. This study presents a computational method to estimate the ship seakeeping in regular head wave. In the optimization process the Genetic Algorithm
Hassan Bagheri   +2 more
doaj   +1 more source

Research on the hull form optimization using the surrogate models

open access: yesEngineering Applications of Computational Fluid Mechanics, 2021
The ship hull form optimization using the Computational Fluid Dynamics (CFD) method is increasingly employed in the early design of a ship, as an optimal ship hull form can obtain good hydrodynamics.
Shenglong Zhang   +3 more
doaj   +1 more source

Sequential Design-Space Reduction and Its Application to Hull-Form Optimization

open access: yesJournal of Marine Science and Engineering, 2023
Hull-form optimization is a complex engineering problem. Owing to the several numerical simulations and complex design-performance spaces, hull-form optimization is considered an inefficient process, which makes determining the global optimum difficult ...
Zu-Yuan Liu   +4 more
doaj   +1 more source

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