Topic
Ship stability
About: Ship stability is a research topic. Over the lifetime, 478 publications have been published within this topic receiving 4182 citations.
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01 Jan 1986
TL;DR: In this article, the authors discuss the power of ships in general principles and powering of ships: application Seakeeping Manoevrability Major ship design features ship design Features Ship Design Particular Ship Types Fishing Vehicles Yachts Answers to problems Index.
Abstract: CONTENTS OF VOLUME 1: Foreword Acknowledgements Introduction Symbols and Nomenclature Art or Science? Some tools Flotation and Trim Stability Hazards and Protection The Ship Girder Structural Design and Analysis Launching and Docking The Ship Environment and Human Factors Answers to problems Index. CONTENTS OF VOLUME 2: Acknowledgements Introduction Symbols and Nomenclature Powering of Ships: general principles Powering of Ships: application Seakeeping Manoevrability Major Ship Design Features Ship Design Particular Ship Types Fishing Vehicles Yachts Answers to problems Index.
200 citations
TL;DR: In this article, a multi-objective integer programming (MOP) problem is formulated to obtain a set of non-inferior solutions of the problem, and a wide variety of numerical experiments demonstrated that solutions by this formulation are useful and applicable in practice.
Abstract: The efficiency of a maritime container terminal primarily depends on the smooth and orderly process of handling containers, especially during the ship’s loading process. The stowage and associated loading plans are mainly determined by two criteria: ship stability and the minimum number of container rehandles required. The latter is based on the fact that most container ships have a cellular structure and that export containers are piled up in a yard. These two basic criteria are often in conflict. This paper is concerned with the ship’s container stowage and loading plans that satisfy these two criteria. The GM , list and trim are taken into account for the stability measurements. The problem is formulated as a multi-objective integer programming. In order to obtain a set of noninferior solutions of the problem, the weighting method is employed. A wide variety of numerical experiments demonstrated that solutions by this formulation are useful and applicable in practice.
153 citations
01 Jan 2006
TL;DR: A wide variety of numerical experiments demonstrated that solutions by the weighting method are useful and applicable in practice for the ships container stowage and loading plans that satisfy ship stability and minimum number of container rehandles required.
Abstract: The efficiency of a maritime container terminal primarily depends on the smooth and orderly process of handling containers, especially during the ships loading process. The stowage and associated loading plans are mainly deter- mined by two criteria: ship stability and the minimum number of container rehandles required. The latter is based on the fact that most container ships have a cellular structure and that export containers are piled up in a yard. These two basic criteria are often in conflict. This paper is concerned with the ships container stowage and loading plans that satisfy these two criteria. The GM, list and trim are taken into account for the stability measurements. The problem is formulated as a multi-objective integer programming. In order to obtain a set of noninferior solutions of the problem, the weighting method is employed. A wide variety of numerical experiments demonstrated that solutions by this for- mulation are useful and applicable in practice. 2004 Elsevier B.V. All rights reserved.
141 citations
TL;DR: In this paper, a third-order mathematical model is introduced, aimed at describing strong parametric excitation associated with cyclic changes of the ship restoring characteristics, and a derivative model is employed to describe the coupled restoring actions up to third order.
Abstract: In this paper, the modelling of strong parametric resonance in head seas is investigated. Non-linear equations of ship motions in waves describing the couplings between heave, roll and pitch are contemplated. A third-order mathematical model is introduced, aimed at describing strong parametric excitation associated with cyclic changes of the ship restoring characteristics. A derivative model is employed to describe the coupled restoring actions up to third order. Non-linear coupling coefficients are analytically derived in terms of hull form characteristics. The main theoretical aspects of the new model are discussed. Numerical simulations obtained from the derived third-order non-linear mathematical model are compared to experimental results, corresponding to excessive motions of the model of a transom stern fishing vessel in head seas. It is shown that this enhanced model gives very realistic results and a much better comparison with the experiments than a second-order model.
126 citations
TL;DR: A compact and efficient encoding of solutions is developed, which reduces significantly the search space and its flexibility is demonstrated by successful incorporation of ship stability constraints.
Abstract: The purpose of this study is to develop an efficient heuristic for solving the stowage problem. Containers on board a container ship are stacked one on top of the other in columns, and can only be unloaded from the top of the column. A key objective of stowage planning is to minimize the number of container movements. A genetic algorithm technique is used for solving the problem. A compact and efficient encoding of solutions is developed, which reduces significantly the search space. The efficiency of the suggested encoding is demonstrated through an extensive set of simulation runs and its flexibility is demonstrated by successful incorporation of ship stability constraints.
125 citations