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Author : Dimitri Mavris
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (637 download)
Download or read book Multidisciplinary Optimization of Naval Ship Design and Mission written by Dimitri Mavris and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 85 pages
Book Rating : 4.:/5 (742 download)
Download or read book Multidisciplinary Optimization of Naval Ship Design and Mission Effectiveness written by and published by . This book was released on 2004 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Engineous Software STTR Team, including team members from Northrop Grumman, Naval Undersea Warfare Center (NUWC), Massachusetts Institute of Technology (MIT), and Elon University; proposed at the outset of the project that it could develop an integrated Multi-disciplinary Optimization (MDO) system of naval ship design and mission effectiveness. Specifically, the team intended to use a ship model of interest to the Navy in an effort to demonstrate that disparate ship analysis tools could be integrated under a single framework and automated. This integrated, automated system would allow its users to measure ship performance and effectiveness, as well as accounting for uncertainty in those measurements, through design exploration techniques, such as optimization, design of experiments (DOE), and quality engineering analysis (e.g. Monte Carlo analysis). The primary struggle on the project was acquiring analysis models to use in the MDO system. The time required to obtain the models, unfortunately, limited the amount of analysis the team was able to perform. However, once the models were obtained, the team was able to quickly integrate them and show the power and flexibility of the MDO system. The results showed that the system was able to quickly apply numerous exploration techniques, including the Multi-Objective Genetic Algorithm specifically developed for the STTR, to the integrated models. Hundreds of ship designs were evaluated in the pursuit of an optimum design; while taking into account uncertainty. A measured improvement of 6% in lifecycle cost was calculated for an optimization analysis. It was also found that while introducing uncertainty in the analysis that the lifecycle cost was perturbed by only a maximum variation of 1%.
Author :
Publisher :
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4.:/5 (742 download)
Download or read book Multi-Disciplinary Computational Tools for Naval Design written by and published by . This book was released on 2005 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: The general aim of Naval Design (ND) is to make a ship able to perform some prescribed mission. There is a combination of restrictions related to physical interaction of the warship and sea with others that have a military background. As a result, the ND combines numerous tasks and requires tremendous computations, but optimization of computations is a challenge because ND is a multi-criterion problem. This project delivers the complete succession of mathematical fundamentals of ND. Instead of traditional design spiral, a hierarchy multi-level design system is considered. The concept of criterion coordination with Lagrange multipliers is described. The feasible design solutions are studied with the Pareto sets. Comparison of Pruning and Constructive algorithms in grid generation is given, as well as description of LP-tay sequencing in this generation. The developed approaches are illustrated by examples of multidisciplinary ND recently considered in scientific publications. Additionally, a background of multidisciplinary trimaran optimization is developed.
Author : Apostolos Papanikolaou
Publisher : Springer
ISBN 13 : 3030028100
Total Pages : 490 pages
Book Rating : 4.0/5 (3 download)
Download or read book A Holistic Approach to Ship Design written by Apostolos Papanikolaou and published by Springer. This book was released on 2018-12-11 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces a holistic approach to ship design and its optimisation for life-cycle operation. It deals with the scientific background of the adopted approach and the associated synthesis model, which follows modern computer aided engineering (CAE) procedures. It integrates techno-economic databases, calculation and multi-objective optimisation modules and s/w tools with a well-established Computer-Aided Design (CAD) platform, along with a Virtual Vessel Framework (VVF), which will allow virtual testing before the building phase of a new vessel. The resulting graphic user interface (GUI) and information exchange systems enable the exploration of the huge design space to a much larger extent and in less time than is currently possible, thus leading to new insights and promising new design alternatives. The book not only covers the various stages of the design of the main ship system, but also addresses relevant major onboard systems/components in terms of life-cycle performance to offer readers a better understanding of suitable outfitting details, which is a key aspect when it comes the outfitting-intensive products of international shipyards. The book disseminates results of the EU funded Horizon 2020 project HOLISHIP.
Author : Mo Jamshidi
Publisher : CRC Press
ISBN 13 : 1351834835
Total Pages : 574 pages
Book Rating : 4.3/5 (518 download)
Download or read book Systems of Systems Engineering written by Mo Jamshidi and published by CRC Press. This book was released on 2017-12-19 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: As technology presses forward, scientific projects are becoming increasingly complex. The international space station, for example, includes over 100 major components, carried aloft during 88 spaces flights which were organized by over 16 nations. The need for improved system integration between the elements of an overall larger technological system has sparked further development of systems of systems (SoS) as a solution for achieving interoperability and superior coordination between heterogeneous systems. Systems of Systems Engineering: Principles and Applications provides engineers with a definitive reference on this newly emerging technology, which is being embraced by such engineering giants as Boeing, Lockheed Martin, and Raytheon. The book covers the complete range of fundamental SoS topics, including modeling, simulation, architecture, control, communication, optimization, and applications. Containing the contributions of pioneers at the forefront of SoS development, the book also offers insight into applications in national security, transportation, energy, and defense as well as healthcare, the service industry, and information technology. System of systems (SoS) is still a relatively new concept, and in time numerous problems and open-ended issues must be addressed to realize its great potential. THis book offers a first look at this rapidly developing technology so that engineers are better equipped to face such challenges.
Author :
Publisher :
ISBN 13 :
Total Pages : 269 pages
Book Rating : 4.:/5 (644 download)
Download or read book Multi-Criteria Analysis in Naval Ship Design written by and published by . This book was released on 2005 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerous optimization problems involve systems with multiple and often contradictory criteria. Such contradictory criteria have been an issue for marine/naval engineering design studies for many years. This problem becomes more important when one considers novel ship types with very limited or no operational record. A number of approaches have been proposed to overcome these multiple criteria design optimization problems. This Thesis follows the Parameter Space Investigation (PSI) technique to address these problems. The PSI method is implemented with a software package called MOVI (Multi-criteria Optimization and Vector Identification). Two marine/naval engineering design optimization models were investigated using the PSI technique along with the MOVI software. The first example was a bulk carrier design model which was previously studied with other optimization methods. This model, which was selected due to its relatively small dimensionality and the availability of existing studies, was utilized in order to demonstrate and validate the features of the proposed approach. A more realistic example was based on the "MIT Functional Ship Design Synthesis Model" with a greater number of parameters, criteria, and functional constraints. A series of optimization studies conducted for this model demonstrated that the proposed approach can be implemented in a naval ship design environment and can lead to a large design parameter space exploration with minimum computational effort.
Author : Binbin Pan
Publisher : Springer Nature
ISBN 13 : 9811564558
Total Pages : 302 pages
Book Rating : 4.8/5 (115 download)
Download or read book Multidisciplinary Design Optimization and Its Application in Deep Manned Submersible Design written by Binbin Pan and published by Springer Nature. This book was released on 2020-08-28 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book investigates Reliability-based Multidisciplinary Design Optimization (RBMDO) theory and its application in the design of deep manned submersibles (DMSs). Multidisciplinary Design Optimization (MDO) is an effective design method for large engineering systems like aircraft, warships, and satellites, which require designers and engineers from various disciplines to cooperate with each other. MDO can be used to handle the conflicts that arise between these disciplines, and focuses on the optimal design of the system as a whole. However, it can also push designs to the brink of failure. In order to keep the system balanced, Reliability-based Design (RBD) must be incorporated into MDO. Consequently, new algorithms and methods have to be developed for RBMDO theory. This book provides an essential overview of MDO, RBD, and RBMDO and subsequently introduces key algorithms and methods by means of case analyses. In closing, it introduces readers to the design of DMSs and applies RBMDO methods to the design of the manned hull and the general concept design. The book is intended for all students and researchers who are interested in system design theory, and for engineers working on large, complex engineering systems.
Author : Myung-Il Roh
Publisher : Springer
ISBN 13 : 9811048851
Total Pages : 381 pages
Book Rating : 4.8/5 (11 download)
Download or read book Computational Ship Design written by Myung-Il Roh and published by Springer. This book was released on 2017-09-29 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers an introduction to the fundamental principles and systematic methodologies employed in computational approaches to ship design. It takes a detailed approach to the description of the problem definition, related theories, mathematical formulation, algorithm selection, and other core design information. Over eight chapters and appendices the book covers the complete process of ship design, from a detailed description of design theories through to cutting-edge applications. Following an introduction to relevant terminology, the first chapters consider ship design equations and models, freeboard calculations, resistance prediction and power estimation. Subsequent chapters cover topics including propeller deign, engine selection, hull form design, structural design and outfitting. The book concludes with two chapters considering operating design and economic factors including construction costs and fuel consumption. The book reflects first-hand experiences in ship design and R&D activities, and incorporates improvements based on feedback received from many industry experts. Examples provided are based on genuine case studies in the field. The comprehensive description of each design stage presented in this book offers guidelines for academics, researchers, students, and industrial manufactures from diverse fields, including ocean engineering and mechanical engineering. From a commercial point of view the book will be of great value to those involved in designing a new vessel or improving an existing ship.
Author :
Publisher :
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Damian G. Oslebo
Publisher :
ISBN 13 :
Total Pages : 93 pages
Book Rating : 4.:/5 (895 download)
Download or read book Design of Tool for the Optimization of Deck Area Assignments with Integration Into Existing Naval Ship Design Programs written by Damian G. Oslebo and published by . This book was released on 2014 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many tasks in the early stages of ship design are manual and repetitive processes. One such task is in the realm of deck area arrangements. The allocation and assignment of areas in early stage ship design involves tracking the difference of total ship area envelope and all required areas to be placed for habitability, mission support, and propulsion capability among many. The problem becomes more complex with the addition of constraints involving required separation zones between other areas, affinities for certain areas or deck levels, and compartment subdivision. The Leading Edge Architecture for Prototyping Systems (LEAPS) database structure output from the Advanced Ship and Submarine Evaluation Tool (ASSET) provides a ship envelope and a list of areas requiring assignment. However, with over a hundred different area categories to place in a subdivided ship hull of a large number of compartments each with their own preferences and constraints, this problem is categorized as Nondeterministic Polynomial-time hard (NP-hard). A complete solution to an NP-hard problem cannot be found in polynomial time, meaning that finding the optimal solution in the design space is not realistically feasible as the problem scales upwards in size. Fortunately this type of problem, known as Bin Packing, is well understood in computer science. Metaheuristic methods of obtaining near-optimal solutions in a finite timeframe exist that are reasonable enough for use. This thesis presents a ship design tool that pairs two of these meta-heuristic methods with naval ship architecture and LEAPS based projects. The approach is divided into three major steps: a ship volume balance, a ship area balance, and an area layout of the ship footprint. The output of the tool is the general arrangements drawings in a universal CAD format that would be the starting point for more detailed arrangements.
Author : Alexandros Priftis
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)
Download or read book Multi-objective Robust Early Stage Ship Design Optimisation Under Uncertainty written by Alexandros Priftis and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shipping industry has become very competitive, while a lot of research is carried out in the shipbuilding world to investigate possible ways to improve ship design and create efficient and economical ships. Technological improvements allow the detailed exploration of design space and assist the theory of optimisation in becoming a vital part of ship design. Advanced software tools are available to designers and researchers to expand their design optimisation methodologies and introduce not only more efficient techniques, but also more robust approaches to ship design.The topic of ship design optimisation has been investigated by numerous researchers, who have established structured methodologies which can be applied to real case studies and produce efficient solutions to the ship design problem. However, the definition of the ship design problem changes often due to the introduction of new ship types, international regulations and technological improvements.This thesis contributes to the aforementioned developments with regard to the ship design optimisation problem. The mission is to develop a methodology for a multi-objective robust early stage ship design optimisation under uncertainty. Several aspects of ship design are incorporated, taking into account the holistic ship design model. Various performance indicators are used as measures of merit to evaluate the response of possible solutions to the problem. New regulations are incorporated to the optimisation problem, investigating their impact on its solution. In addition, uncertainty quantification is applied throughout the proposed methodology, while its effect on the ship design optimisation problem is examined.
Author : Bao-Ji Zhang
Publisher : Springer
ISBN 13 : 9811084238
Total Pages : 239 pages
Book Rating : 4.8/5 (11 download)
Download or read book Research on Ship Design and Optimization Based on Simulation-Based Design (SBD) Technique written by Bao-Ji Zhang and published by Springer. This book was released on 2018-05-30 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ship optimization design is critical to the preliminary design of a ship. With the rapid development of computer technology, the simulation-based design (SBD) technique has been introduced into the field of ship design. Typical SBD consists of three parts: geometric reconstruction; CFD numerical simulation; and optimization. In the context of ship design, these are used to alter the shape of the ship, evaluate the objective function and to assess the hull form space respectively. As such, the SBD technique opens up new opportunities and paves the way for a new method for optimal ship design. This book discusses the problem of optimizing ship’s hulls, highlighting the key technologies of ship optimization design and presenting a series of hull-form optimization platforms. It includes several improved approaches and novel ideas with significant potential in this field
Author : Apostolos Papanikolaou
Publisher : Springer Science & Business Media
ISBN 13 : 3540890424
Total Pages : 379 pages
Book Rating : 4.5/5 (48 download)
Download or read book Risk-Based Ship Design written by Apostolos Papanikolaou and published by Springer Science & Business Media. This book was released on 2009-04-09 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: Risk-based ship design is a new scientific and engineering field of growing interest to researchers, engineers and professionals from various disciplines related to ship design, construction, operation and regulation. The main motivation to use risk-based approaches is twofold: implement a novel ship design which is considered safe but - for some formal, regulatory reason - cannot be approved today and/or rationally optimize an existing design with respect to safety, without compromising on efficiency and performance. It is a clear direction that all future technological and regulatory (International Maritime Organisation) developments regarding ship design and operation will go through risk-based procedures, which are known and well established in other industries (e.g. nuclear, aviation). The present book derives from the knowledge gained in the course of the project SAFEDOR (Design, Operation and Regulation for Safety), an Integrated Project under the 6th framework programme of the European Commission (IP 516278). The book aims to provide an understanding of the fundamentals and details of the integration of risk-based approaches into the ship design process. The book facilitates the transfer of knowledge from recent research work to the wider maritime community and advances scientific approaches dealing with risk-based design and ship safety.
Author : David W. Taylor Naval Ship Research and Development Center
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (25 download)
Download or read book Report - Naval Ship Research and Development Center written by David W. Taylor Naval Ship Research and Development Center and published by . This book was released on 1951 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Volker Bertram
Publisher : Elsevier
ISBN 13 : 0080517102
Total Pages : 229 pages
Book Rating : 4.0/5 (85 download)
Download or read book Ship Design for Efficiency and Economy written by Volker Bertram and published by Elsevier. This book was released on 1998-10-15 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: The previous edition of Ship Design for Efficiency and Economy was published as a Butterworth's marine engineering title. It has now been completely revised and updated by Schneekluth and Bertram.This book gives advice to students and naval architects on how to design ships - in particular with regard to hull design. The previous edition of this book was published in 1987. Since then, there have been numerous important developments in this area and the new additions to this book reflect these changes. Chapter 3 has been completely rewritten with added information on methodology of optimization, optimization shells and concept exploration methods. There is also a new sub-chapter on Computational Fluid Dynamics (CFD) for ship-hull design. Plus, a new method to predict ship resistance based on the evaluation of modern ship hull design will be detailed.The emphasis of the this book is on design for operational economy. The material is directly usable not only in practice, in the design office and by shipowners, but also by students at both undergraduate and postgraduate levels.
Author : Owen F. Hughes
Publisher : Society of Naval Architects &
ISBN 13 : 9780939773473
Total Pages : 609 pages
Book Rating : 4.7/5 (734 download)
Download or read book Ship Structural Design written by Owen F. Hughes and published by Society of Naval Architects &. This book was released on 1988 with total page 609 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Adam Thomas Jones
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (895 download)
Download or read book Design Space Exploration and Optimization Using Modern Ship Design Tools written by Adam Thomas Jones and published by . This book was released on 2014 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern Naval Architects use a variety of computer design tools to explore feasible options for clean sheet ship designs. Under the Naval Sea Systems Command (NAVSEA), the Naval Surface Warfare Center, Carderock Division (NSWCCD) has created computer tools for ship design and analysis purposes. This paper presents an overview of some of these tools, specifically the Advanced Ship and Submarine Evaluation Tool (ASSET) version 6.3 and the Integrated Hull Design Environment (IHDE). This paper provides a detailed explanation of a ship design using these advanced tools and presents methods for optimizing the performance of the hullform, the selection of engines for fuel efficiency, and the loading of engines for fuel efficiency. The detailed ship design explores the design space given a set of specific requirements for a cruiser-type naval vessel. The hullform optimization technique reduces a ships residual resistance by using both ASSET and IHDE in a Design of Experiments (DoE) approach to reaching an optimum solution. The paper will provide a detailed example resulting in a 12% reduction in total ship drag by implementing this technique on a previously designed hullform. The reduction of drag results in a proportional reduction in the amount of fuel used to push the ship through the water. The engine selection optimization technique uses MATLAB to calculate the ideal engines to use for fuel minimization. For a given speed-time or power-time profile, the code will evaluate hundreds of combinations of engines and provide the optimum engine combination and engine loading for minimizing the total fuel consumption. This optimization has the potential to reduce fuel consumption of current naval warships by upwards of 30%.
