Tuflow and estry manual Version 3

1 Introduction 1

2 Overview 1

3 The Modelling Process 1

Data Input 1

4 Running TUFLOW 1

5 2D/1D Model Development 1

6 Data Output 1

7 Quality Control 1

8 Troubleshooting 1

9 New Features and Changes 1

10 References 1

Table of Contents

1 Introduction 1

1.1 TUFLOW 4

1.2 ESTRY 4

2 Overview 1

2.1 Software Structure 4

2.2 Data Input 5

2.3 Performing Simulations 15

2.4 Data Output 15

2.5 Limitations and Recommendations 16

3 The Modelling Process 1

3.1 Is a 2D or 2D/1D Model Feasible? 4

3.2 Linking 1D and 2D Domains 5

3.3 Data Requirements 8

3.4 Calibration and Sensitivity 8

3.5 Model Resolution 9

3.6 Computational Timestep 10

3.7 Eddy Viscosity 11

Data Input 1

3.8 Control Files – Rules and Notation 4

3.9 Simulation Control Files 6

3.10 GIS Layers 10

3.11 2D Domains (.tgc File) 12

3.12 1D Domains (Networks) 19

3.13 1D Topography 32

3.14 Hydraulic Structures and Supercritical Flow 42

3.15 Time-Series Output Locations 56

3.16 Initial Water Levels (IWL) and Restart Files 61

3.17 Boundary Conditions and Linking 2D/1D Models 63

3.18 Presenting 1D Domains in 2D Output (1d_wll) 85

3.19 Data Processing Heirachy 88