What you'll learn
Fundamentals of 1-D river modelling using HEC-RAS
Build a 1-D river network
Enter steady and unsteady flow data
Perform steady and unsteady flow runs and learn how to interpret the results
Build a range of hydraulic structures
Run scenarios and calibrate your model
Requirements
There are no course pre-requisites but a basic understanding of open channel flow hydraulics would be useful
Description
The modelling of flows in rivers using computer simulation packages is primarily undertaken to determine where and when floods will occur. The US Army Corps of Engineers Hydrologic Engineering Center River Analysis Software package (HEC-RAS) is one of the most popular river modelling systems currently in use and is available to download and use for free without the restrictions that some competing software packages currently have. In this step-by-step course I will show you how to build a 1-D river model using HEC-RAS. No prior knowledge of river modelling is required. The course is also designed for those with river modelling experience but who have not yet used HEC-RAS. You will build a river network, add structures to your model and run steady and unsteady flow simulations and then examine scenarios such as simulating climate change and creating levees. There is a course manual to accompany the classes which the user can download and work through independently or in conjunction with the video presentations. This workshop will enable you to gain the basic skills associated with 1-D modelling using HEC-RAS and as such will stand you in good stead whether you study river channel processes in academia or work in the river engineering industry.
Overview
Section 1: Introduction
Lecture 1 Welcome
Lecture 2 Introduction to River Modelling
Lecture 3 HEC RAS Installation
Section 2: Building Model Geometry
Lecture 4 Setting up a Project
Lecture 5 Creating a Model Network
Lecture 6 Nottingham Reach First River Station
Lecture 7 Nottingham Reach Remaining River Stations
Lecture 8 Derby Reach First River Station
Lecture 9 Derby Reach Remaining River Stations
Lecture 10 Erewash Reach First River Station
Lecture 11 Erewash Reach Remaining River Stations
Lecture 12 Geometry Check
Section 3: Steady & Unsteady Flow Data Entry & Analysis
Lecture 13 Steady Flow Data Entry
Lecture 14 Steady Flow Runs
Lecture 15 Steady Flow Results Part 1
Lecture 16 Steady Flow Results Part 2
Lecture 17 Unsteady Flow Data Entry
Lecture 18 Unsteady Flow Runs
Lecture 19 Unsteady Flow Results Part 1
Lecture 20 Unsteady Flow Results Part 2
Section 4: Building Structures
Lecture 21 Building a Bridge
Lecture 22 Building a Culvert
Lecture 23 Building a Weir
Lecture 24 Steady & Unsteady Runs with Structures
Section 5: Climate Change, Levees & Model Calibration
Lecture 25 Simulating Climate Change
Lecture 26 Building Levees
Lecture 27 Calibrating Your Model
Section 6: Conclusion, Tips & Bonus Lecture!
Lecture 28 Conclusion & Tips
Lecture 29 Bonus Lecture! Building a Lateral Structure and Sluice Gate
Those wishing to learn the fundamental concepts of 1-D river modelling using the HEC-RAS modelling package


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