Numerical Modeling in Open Channel Hydraulics
This book offers a comprehensive approach to the numerical modeling of open channel flow, based on the author’s own research in this field, as well as his experience as a lecturer. It provides the reader with:Coverage of the most important problems of ope
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Water Science and Technology Library VOLUME 83
Editor-in-Chief V.P. Singh, Texas A&M University, College Station, TX, U.S.A. Editorial Advisory Board M. Anderson, Bristol, U.K. L. Bengtsson, Lund, Sweden J. F. Cruise, Huntsville, U.S.A. U. C. Kothyari, Roorkee, India S. E. Serrano, Philadelphia, U.S.A. D. Stephenson, Johannesburg, South Africa W. G. Strupczewski, Warsaw, Poland
For further volumes: http:// www.springer.com/series/6689
Numerical Modeling in Open Channel Hydraulics
Romuald Szymkiewicz Faculty of Civil and Environmental Engineering, Gda´nsk University of Technology, Poland
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Romuald Szymkiewicz Faculty of Civil and Environmental Engineering Gda´nsk University of Technology ul. Narutowicza 11/12 80-233 Gda´nsk Poland [email protected]
ISBN 978-90-481-3673-5 e-ISBN 978-90-481-3674-2 DOI 10.1007/978-90-481-3674-2 Springer Dordrecht Heidelberg London New York Library of Congress Control Number: 2009942268 © Springer Science+Business Media B.V. 2010 No part of this work may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, microfilming, recording or otherwise, without written permission from the Publisher, with the exception of any material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)
Preface
Open channel hydraulics has always been a very interesting domain of scientific and engineering activity because of the great importance of water for human living. The free surface flow, which takes place in the oceans, seas and rivers, can be still regarded as one of the most complex physical processes in the environment. The first source of difficulties is the proper recognition of physical flow processes and their mathematical description. The second one is related to the solution of the derived equations. The equations arising in hydrodynamics are rather complicated and, except some much idealized cases, their solution requires application of the numerical methods. For this reason the great progress in open channel flow modeling that took place during last 40 years paralleled the progress in computer technique, informatics and numerical methods. It is well known that even typical hydraulic engineering problems need applications of computer codes. Thus, we witness a rapid development of ready-made packages, which are widely disseminated and offered for engineers. However, it seems necessary for their users to be familiar with some fundamentals of numerical methods and computational techniques applied for solving the problems of interest. This is helpful for many reasons. The ready-made packages can be effectively and safely applied on condition that the users know their possibilities and limitations. For instance, such knowledge is indispensable to distinguish in the obtained solutions the effects coming from the considered physical proces
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