...-theoretical approach to the optimization of a specific facility layout. layout shipyard literature artificial intelligence shipyard layout metals & mining procedure graph month 2022 marine transportation steel mining ship production journal efficiency asia government algorithm diagram...

... in shipbuilding industry. However, spatial scheduling of mega-blocks has some unique characteristics compared with the well-known classic bin-packing problem, and not many studies can be found on this issue. This research proposes an enhanced mathematical formulation and a heuristic algorithm for spatial...

... of complex pipe routes. For this reason, this article proposes the auto-routing methods of single pipes, branch pipes, and multipipes. The auto-routing methods are based on an Improved A* algorithm. Compared with the traditional A* algorithm, the Improved A* algorithm considers the constraints of ship pipe...

... mtpa tank algorithm configuration may 2022 Copyright 2022, The Society of Naval Architects and Marine Engineers 25 11 2021 2 2 2022 2 2 2022 4 3 2022 13 5 2022 Journal of Ship Production and Design, Vol. 38, No. 2, May 2022, pp. 89 99 httpdx.doi.org/10.5957...

... the displacement and the length of the ship. Based on Rankine source method, the wave-making resistances of DTMB5512 and ITTC Ship A-2 are calculated. For optimization, Sobol algorithm is selected to create sample space; based on it, we use Nelder–Mead algorithm to obtain the optimal hull form in the space...

...Pengfei Zhi; Zhiyu Zhu; Wanlu Zhu; Haiyang Qiu A design of risk prediction assessment is proposed to improve the safety and economy of ship-integrated electric propulsion system(SIEPS). Firstly, the article puts forward a multihidden Markov model (MHMM)–Viterbi algorithm to predict fault state...

... to predict the delay with respect to the block erection schedule is conducted by considering the variability of the block preparation ratio based on the discrete event simulation algorithm. It is confirmed that the variation of the key event observance ratio is confirmed according to the variability caused...

... accuracy requirement requirement hull block Artificial Intelligence analysis method verticality design point weight value engineering constraint levelness straightness shipbuilding constraint algorithm symmetry shipbuilding measurement Point flatness data analysis ship production control...

...., shape nesting can be simulated by the motion of discrete bodies in a container with a fixed width. Calculation with the program developed by the authors has been performed, and the results show that the algorithm was able to achieve good compaction for the datasets, and the running time and utility...

... subcategorizable into line or triangle heating. The appropriate forming process is determined from the plate shape and surface classification, which must be determined in advance to establish a precise production plan. In this study, an algorithm to extract two-dimensional features of constant size from three...

... benefits, and safety during operation. The multi-objective genetic algorithm is used for approaching the Pareto frontiers, and the choices between the optimal designs are discussed while introducing a utility function. 1. Introduction The internal layout of the ship's hull is established in the initial...

... industry proceedings application designer configuration Republic ship production shipbuilding algorithm probability Journal of Ship Production and Design, Vol. 35, No. 3, August 2019, pp. 220 230 httpdx.doi.org/10.5957/JSPD.170058 Association Analysis of Piping Materials of an Offshore...

... to establish a knowledge model that can reflect technological laws is the key to the development of an intelligent decision system for forming plate by line heating. In this article, rough set (RS) theory is applied to the modeling of the line heating process. By defining variable-inclusion RSs, an algorithm...

... program for the spatial layout of naval vessels. The differential evolution algorithm was used for the optimization, and its effectiveness was validated by applying it to various examples. 1. Introduction The spatial layout problem, arranging equipment and facilities that perform various functions...

... value, or even its order of magnitude is still unknown. This article shows the complexity of modern on-board power system by quantifying the number of possible system configurations currently available. A constraint satisfaction algorithm generates different configurations and the results are supported...

... services marine transportation logistics stockyard production plan shipbuilding industry modeling method transporter algorithm shipyard block logistics simulation Journal of Ship Production and Design, Vol. 34, No. 2, May 2018, pp. 168 179 httpdx.doi.org/10.5957/JSPD.170006 Shipyard Block...

... to achieve safe block lifting. For this, an optimization problem for the lug arrangement is mathematically formulated and solved by using the multiobjective genetic algorithm. Static and dynamic motion analyses are then introduced to calculate the block motion. To check the applicability of the proposed...

..., an observability analysis-based setting method is proposed to shorten the length of each sensor data flow. In addition, according to the determined data flow length, a scheduling algorithm is presented to set the content of data flow as well. This scheduling algorithm is based on a double-index evaluation method...

... and requirements of block lifting design, built models for the object to be lifted for the lifting equipment as well, designed an automatic layout algorithm for block lifting scheme and developed a design system for ship block lifting. Li et al. (2014) rebuilt the finite element model under ANSYS environment based...

... and Marine Engineers marine transportation sosp continuity constraint list scheduling planning & scheduling installation continuity constraint mathematical model ship production Artificial Intelligence precedence relation shipyard algorithm deadline list scheduling heuristic test case...