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Computational River Dynamics

By: Weiming Wu

Taylor & Francis

Paperback | Jan 2008 | #171422 | ISBN-13: 9780415449601
Availability: Usually dispatched within 6 days Details
NHBS Price: £47.99 $63/€54 approx
Hardback | Jan 2008 | #171593 | ISBN-13: 9780415449618
Availability: Usually dispatched within 6 days Details
NHBS Price: £127.00 $167/€144 approx

About this book

Includes numerical methods for open-channel flows, such as SIMPLE algorithms on staggered and non-staggered grids, projection method, and stream function and vorticity method. This text on fundamentals of modeling flow and sediment transport in rivers treats both the physical principles and numerical methods for various degrees of complexity.

'This book is a brand new addition to the sparse literature on computational river dynamics. It covers a very important subject: the numerical modeling of fluvial processes including turbulent flows in rivers, sediment transport, and the deformation of alluvial channels. This book is very welcome as it provides a worthy synthesis of knowledge in one of the fast growing fields of hydraulic engineering.' 'With his background from China, studies in Europe, and practice in the United States, the author presents this subject from a unique international perspective.' Pierre Y. Julien in JOURNAL OF HYDRAULIC ENGINEERING A(c) ASCE. October 2008 '! the present book is to my knowledge a unique resource for engineers and scientists interested in numerical modeling of flow and sediment transport in alluvial channels.' George S. Constantinescu in JOURNAL OF HYDRAULIC RESEARCH vol. 46, no. 6 (2008) 'This book is one of the first to present a complete picture of the physical principles and numerical methods used in computational river dynamics.' W. Czernuszenko in ARCHIVES OF HYDRO-ENGINEERING AND ENVIRONMENTAL MECHANICS. vol. 54 no. 4 (2007)


Preface Notations CHAPTER 1. Introduction 1.1 Overview of River Engineering 1.2 Role of Computational Simulation in River Engineering Analysis 1.3 Scope, Problems and Strategies of Computational River Dynamics 1.4 Classification of Flow and Sediment Transport Models 1.5 Coverage and Features of This Book CHAPTER 2. Mathematical Description of Flow and Sediment Transport 2.1 Properties of Water and Sediment 2.2 Governing Equations of Water and Sediment Two-Phase Flow 2.3 Time-Averaged Models of Turbulent Flow and Sediment Transport 2.4 Derivation of 1-D and 2-D Flow and Sediment Transport Equations 2.5 Net Exchange Flux of Suspended Load near Bed 2.6 Equilibrium and Non-equilibrium Sediment Transport Models 2.7 Transport and Sorting of Non-uniform Sediment Mixtures CHAPTER 3. Fundamentals of Sediment Transport 3.1 Settling of Sediment Particles 3.2 Incipient Motion of Sediment 3.3 Movable Bed Roughness in Alluvial Rivers 3.4 Bed-Load Transport 3.5 Suspended-Load Transport 3.6 Bed-Material Load Transport 3.7 Sediment Transport over Steep Slopes 3.8 Temporal Lags between Flow and Sediment Transport CHAPTER 4. Numerical Methods 4.1 Concepts of Numerical Solution 4.2 Finite Difference Method 4.3 Finite Volume Method 4.4 Numerical Solution of Navier-Stokes Equations 4.5 Solution of Algebraic Equations CHAPTER 5. 1-D Numerical Models 5.1 Formulation of 1-D Decoupled Flow and Sediment Transport Model 5.2 1-D Calculation of Open-Channel Flow 5.3 1-D Calculation of Sediment Transport 5.4 1-D Coupled Calculation of Flow and Sediment Transport 5.5 Data Requirements of 1-D Model 5.6 Model Sensitivity to Input Parameters CHAPTER 6. 2-D Numerical Models 6.1 Depth-Averaged 2-D Simulation of Flow in Nearly Straight Channels 6.2 Depth-Averaged 2-D Simulation of Sediment Transport in Nearly Straight Channels 6.3 Depth-Averaged 2-D Simulation of Flow and Sediment Transport in Curved and Meandering Channels 6.4 Width-Averaged 2-D Model of Flow and Sediment Transport CHAPTER 7. 3-D Numerical Models 7.1 Full 3-D Hydrodynamic Model 7.2 3-D Flow Model with Hydrostatic Pressure Assumption 7.3 3-D Sediment Transport Model 7.4 3-D Simulation of Local Scour around In-stream Structures CHAPTER 8. Domain Decomposition and Model Integration 8.1 Multiblock Method 8.2 Coupling of 1-D, 2-D and 3-D Models 8.3 Integration of Channel and Watershed Models CHAPTER 9. Simulation of Dam-Break Fluvial Processes 9.1 Simulation of Dam-Break Flow over Fixed Beds 9.2 Simulation of Dam-Break Flow over Movable Beds 9.3 Simulation of Dam Surface Erosion due to Overtopping Flow CHAPTER 10. Simulation of Flow and Sediment Transport in Vegetated Channels 10.1 Effects of Vegetation on Flow and Sediment Transport 10.2 Simulation of Flow in Vegetated Channels 10.3 Simulation of Sediment Transport in Vegetated Channels CHAPTER 11. Cohesive Sediment Transport Modeling 11.1 Cohesive Sediment Transport Processes 11.2 Multiple-Floc-Size Model of Cohesive Sediment Transport 11.3 Single-Floc-Size Model of Cohesive Sediment Transport 11.4 Simulation of Transport of Cohesive and Non-cohesive Sediment Mixtures CHAPTER 12. Contaminant Transport Modeling 12.1 Heat and Salinity Transport Model 12.2 Water Quality Model 12.3 Simulation of Sediment-Borne Contaminant Transport References

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Weiming Wu has more than twenty years of experience with 1D-, 2D-, and 3D-numerical modeling of turbulent flow, sediment transport, and pollutant transport in surface water systems. He participated in the study of the navigation and sediment problems of the Three Gorges Project in the Yangtze River. He is one of the developers of the FAST3D model, used to simulate sedimentation processes, and the main developer of the CCHE1D model, a channel-network model that is integrated with landscape and watershed models. He has also developed the FVM-based CCHE2D model, a depth-averaged 2D model for unsteady flow and non-uniform sediment transport in open channels.

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