Agenda

Attendance instructions will be emailed before the date of the program.

In-person Attendees: Please arrive to the seminar 30 minutes early to sign in.
Online Attendees: Please log into the webinar 15 – 30 minutes before start time.

Wednesday, April 5, 2023 | 8:30 am – 4:50 pm CDT (including a 30-min. break)

 

Introductions and One Dimensional Steady Flow HEC-RAS Review 

• Introduction and Overview  
• Basic Definitions and Assumptions 
• Conservation of Energy and Energy Losses  
• Computational Enhancements 

 

Unsteady One-Dimensional Open Channel Hydraulics Background and Theory  

• Basic Assumptions 
• Conservation of Mass  
• Conservation of Momentum 
• Computational Algorithm  
• Boundary and Initial Conditions 

 

Two-Dimensional Open Channel Hydraulics Background and Theory 

• Basic Assumptions  
• Conservation of Mass 
• Conservation of Momentum  
• Boundary and Initial Conditions 
• Computational Mesh and Algorithm  
• HEC-RAS and Historical Perspectives 

 

Demonstration 1 – Building an Unsteady 1D HEC-RAS Model without GIS 

• HEC-RAS User Interface  
• Generating the Geometry 
• Generating the Boundary and Initial Conditions 
• Initial Conditions  
• Unsteady Flow Computational Simulation 
• Viewing of Results 

 

Demonstration 2 – GIS Basics 

• Introduction and Overview  
• Geographic versus Projected Coordinate Systems 
• Raster versus Vector Files  
• ArcMap versus ArcCatalog 
• ArcMap Interface Basics  
• Digital Elevation Model 
• Other Files  

 

Demonstration 3 – Building an Unsteady 1D HEC-RAS Model with GIS 

• RASMapper Interface and the Projection File 
• Digital Elevation Models and Geometry Creation 
• Generating the Boundary and Initial Conditions 
• Unsteady Flow Computational Simulation  
• Display and Interpretation of Results 

 

Demonstration 4 – Building a Basic 2D HEC-RAS Model 

• RASMapper Interface and 2D Geometry 
• 2D Mesh Generation  
• 2D Boundary and Initial Conditions 
• Other Miscellaneous Computational Parameters 
• 2D Computational Simulation  
• Display and Interpretation of Results 

  

Demonstration 5 – 2D HEC-RAS Model with Connections 

• RASMapper Interface and Mesh Generation 
• Spatially Varied Manning’s n  
• Connections 
• 2D Computational Simulation  
• Viewing and Interpreting Results 

 

Demonstration 6 – 1D/2D HEC-RAS Model and Other Considerations 

• RASMapper Interface and Combined 1D/2D Mesh Generation 
• Manning’s n and Connections 
• External 2D Flow Area Boundary Conditions 
• Other Miscellaneous Computational Parameters 
• 1D/2D Computational Simulation 
• Viewing and Interpreting Result

 

Webinar Instructions
Each webinar session earns continuing education credit and can be registered for individually. All attendees must log-on through their own email – attendees may not watch together if they wish to earn continuing education credit. HalfMoon Education Inc. must be able to prove attendance if either the attendee or HalfMoon Education Inc. is audited.

Certificates of completion can be downloaded in PDF form upon passing a short quiz. A link to the quiz will be sent to each qualifying attendee immediately after the webinar. The certificate can be downloaded from the Results page of the quiz upon scoring 80% or higher.

Webinars are presented via GoToWebinar, an easy-to-use application that can be run on most systems and tablets. Instructions and login information will be provided in an email sent close to the date of the webinar. It is highly recommended that you download, install and test the application before the webinar begins by clicking on the link in the email.

GoToWebinar App requirements:
Windows 7 – 10 or Mac OSX Mavericks (10.9) – macOS Catalina (10.15)

Web Browser:
The two most recent version of the following browsers:
Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge
Internet Explorer v11 (or later) with Flash enabled

Internet connection: Minimum of 1Mbps       Hardware: 2GB RAM or more

For more information, visit the Support section at www.gotowebinar.com