Principles of Naval Architecture: Ship Resistance & Flow
Society of Naval Architects and Marine Engineers, December 2010, Pages: 223
During the 20 plus years that have elapsed since publication of the previous edition of Principles of Naval Architecture, there have been remarkable advances in the art, science and practice of the design and construction of ships and other floating structures. In that edition, the increasing use of high speed computers was recognized and computational methods were incorporated or acknowledged in the individual chapters rather than being presented in a separate chapter. Today, the electronic computer is one of the most important tools in any engineering environment and the laptop computer has taken the place of the ubiquitous slide rule of an earlier generation of engineers. Advanced concepts and methods that were only being developed or introduced then are a part of common engineering practice today. These include finite element analysis, computational fluid dynamics, random process methods, numerical modeling of the hull form and components, with some or all of these merged into integrated design and manufacturing systems. Collectively, these give the naval architect unprecedented power and flexibility to explore innovation in concept and design of marine systems. In order to fully utilize these tools, the modern naval architect must possess a sound knowledge of mathematics and the other fundamental sciences that form a basic part of a modern engineering education.
In 1997, planning for the new edition of Principles of Naval Architecture was initiated by the SNAME publications manager who convened a meeting of a number of interested individuals including the editors of PNA and the new edition of Ship Design and Construction on which work had already begun. At this meeting it was agreed that PNA would present the basis for the modern practice of naval architecture and the focus would be principles in preference to applications. The book should contain appropriate reference material but it was not a handbook with extensive numerical tables and graphs. Neither was it to be an elementary or advanced textbook although it was expected to be used as regular reading material in advanced undergraduate and elementary graduate courses. It would contain the background and principles necessary to understand and to use intelligently the modern analytical, numerical, experimental, and computational tools available to the naval architect and also the fundamentals needed for the development of new tools. In essence, it would contain the material necessary to develop the understanding, insight, intuition, experience, and judgement needed for the successful practice of the profession. Following this initial meeting, a PNA Control Committee, consisting of individuals having the expertise deemed necessary to oversee and guide the writing of the new edition of PNA, was appointed. This committee, after participating in the selection of authors for the various chapters, has continued to contribute by critically reviewing the various component parts as they are written.
In an effort of this magnitude, involving contributions from numerous widely separated authors, progress has not been uniform and it became obvious before the halfway mark that some chapters would be completed before others. In order to make the material available to the profession in a timely manner it was decided to publish each major subdivision as a separate volume in the Principles of Naval Architecture Series rather than treating each as a separate chapter of a single book.
Although the United States committed in 1975 to adopt SI units as the primary system of measurement the transition is not yet complete. In shipbuilding as well as other fields we still find usage of three systems of units: English or foot-pound-seconds, SI or meter-newton-seconds, and the meter-kilogram(force)-second system common in engineering work on the European continent and most of the non-English speaking world prior to the adoption of the SI system. In the present work, we have tried to adhere to SI units as the primary system but other units may be found, particularly in illustrations taken from other, older publications. The symbols and notation follow, in general, the standards developed by the International Towing Tank Conference.
A major goal in the design of virtually all vessels as varied as commercial cargo and passenger ships, naval vessels, fishing boats, and racing yachts, is to obtain a hull form having favorable resistance and speed characteristics. In order to achieve this goal the prediction of resistance for a given hull geometry is of critical importance. Since the time of publication of the previous edition of PNA important advances have been made in theoretical and computational fluid dynamics and there has been a steady increase in the use of the results of such work in ship and offshore structure design. The present volume contains a completely new presentation of the subject of ship resistance embodying these developments. The first section of the book provides basic understanding of the fl ow phenomena that give rise to the resistance encountered by a ship moving in water. The second section contains an introduction to the methods in common use today by which that knowledge is applied to the prediction of the resistance. A third and final section provides guidance to the naval architect to aid in designing a hull form having favorable resistance characteristics.
An Introduction to the Series
Foreword
Preface
Acknowledgements
Authors’ Biography
Nomenclature
1 Introduction
2 Governing Equations
3 Similarity
4 Decomposition of Resistance
5 Inviscid Flow Around the Hull, Wave Making, and Wave Resistance
6 The Flow Around the Hull and the Viscous Resistance
7 Other Resistance Components
8 Experimental Resistance Prediction and Flow Measurement
9 Numerical Prediction of Resistance and Flow Around the Hull
10 Empirical Resistance Prediction
11 Hull Design
References
Index
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