HEC-RAS: Agenda

Please note - HEC-RAS is a virtual course. All times listed are Eastern Time.
 
August 22, 2022

  • 10:30 am - 11:30 am Welcome and Introductions
    • The instructors will cover basic information on the course.  Attendees will introduce themselves and share how they intend to use the model and specific expectations for the course.
  • 11:30 am - 12:30 pm Lesson 1:  The Basics of HEC-RAS for Dam Safety
    • This lesson will introduce attendees to HEC-RAS and discuss how HEC-RAS modeling is used for dam safety studies.  
  • 12:30 pm - 1:00 pm Break
  • 1:00 pm - 1:30 pm Demonstration
    • The instructors will demonstrate window and file management using HEC-RAS. Attendees may follow along.
  • 1:30 pm - 2:30 pm Lesson 2:  Basic Input Geometry  
    • This lesson will discuss the basics of geometry input for HEC-RAS steady flow models.  
  • 2:30 pm - 3:00 pm Break
  • 3:00 pm - 3:45 pm Lesson 3:  Steady Flow Data Requirements, Resistance to Flow
    • This lesson will discuss basic flow data and boundary conditions input for HEC-RAS 
  • 3:45 pm - 4:45 pm Workshop 1:  Navigating HEC-RAS
    • This workshop will introduce attendees to the windows and file management in HEC-RAS. 
  • 4:45 pm - 5:00 pm Questions and Answers

August 23, 2022

  • 10:30 am - 11:45 am Lesson 4:  One-Dimensional Hydraulic Modeling in HEC-RAS
    • This lesson will discuss different flow regimes (steady vs unsteady, uniform versus varied, sub-critical flow versus super-critical flow).  The lesson will also include computational procedures and situations where unsteady and 2-Dimensional Flow is most appropriate.
  • 11:45 am - 12:30 pm Workshop 2A:  Calculation of Water Surface Profiles – Part A 
    • The workshop will allow attendees to input cross sections to an existing (x,y,z) data file, enter Manning’s n and flow data, etc., run the model and review the output.  
  • 12:30 pm - 1:00 pm Break
  • 1:00 pm - 1:30 pm Lesson 5:  Viewing and Reviewing Results
    • This lesson will discuss viewing results; cross section plots; profile plots; x-y-z plots; summary tables; errors warnings and notes.  The prior workshop will also be reviewed.
  • 1:30 pm - 2:30 pm Workshop 2B:  Calculation of Water Surface Profiles – Part B 
    • This workshop will allow students to further explore calculating water surface profiles through a comprehensive case study with sensitivity analyses.
  • 2:30 pm - 3:00 pm Break
  • 3:00 pm - 4:00 pm Lesson 6:  Unsteady Flow Modeling with HEC-RAS 
    • This lesson will discuss input data requirements of unsteady flow modeling as well as running and reviewing output from unsteady flow models.
  • 4:00 pm - 4:30 pm Workshop 2C:  Unsteady Flow Modeling – Part C
    • This workshop will allow students to further explore calculating water surface profiles for an unsteady flow application.
  • 4:30 pm - 5:00 pm Questions and Answers 

August 24, 2022

  • 10:30 am - 11:30 am Lesson 7: Hydraulics of Bridges and Culverts
    • This workshop will discuss the nature of flow through bridges: components of bridge losses; cross-section locations; defining ineffective flow areas; and contraction and expansion losses. The available approaches to bridge loss computations within HEC-RAS will be reviewed and selecting the appropriate bridge modeling approach will be discussed.  
  • 11:30 am - 12:30 pm Workshop 3: Bridge Computations 
    • This workshop will provide students an opportunity to enter and edit bridge data; perform bridge hydraulic computations; and review pertinent results.  
  • 12:30 pm - 1:00 pm Break
  • 1:00 pm - 2:30 pm Lesson 8:  RAS Mapper
    • This lesson will discuss functionality available within RAS Mapper.  Students will learn how to use RAS Mapper for model development and viewing results.  
  • 2:30 pm - 3:00 pm Break
  • 3:00 pm - 4:00 pm Workshop 4: Using RAS Mapper
    • This workshop will provide attendees and opportunity to modify a model using features within RAS Mapper.  Attendees will also review output.
  • 4:30 pm - 5:00 pm Questions and Answers 

August 25, 2022

  • 10:30 am - 11:30 am Lesson 9:  Hydraulics of Dams and Reservoirs
    • This lesson will focus on the hydraulic features of dams and reservoirs.  Methods of modeling dams and reservoirs in HEC-RAS will be covered.
  • 11:30 am - 12:30 pm Workshop 5: Reservoir Analysis
    • In this workshop, attendees will gain experience modeling dams and reservoirs.  Attendees will add a storage area and inline structure to a model and complete a run.
  • 12:30 pm - 1:00 pm Break
  • 1:00 pm - 2:30 pm Lesson 10:  Dam Breach Analysis
    • This lesson will discuss breach analysis within HEC-RAS including estimating breach parameters and performing sensitivity analysis.
  • 2:30 pm - 3:00 pm Break
  • 3:00 pm - 4:00 pm Workshop 6: Dam Breach Analysis
    • In this workshop, students will use HEC-RAS to perform a dam break analysis.  Students will enter dam break parameters, run the dam break computations and analyze and interpret dam break results.
  • 4:00 pm - 5:00 pm Dambreak and Inundation Mapping Discussion and Wrap-up
     
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