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HEC-RAS Webinar Series

Presenter: Gregory H. Nail, PhD, PE

Seminar Date:

Seminar Location: Online

Register Now * Coordinator Registration Not Available.

  1. HEC-RAS Webinar Series

    Click the links below to view information about each part in this series or to register for a specific one.


Hydraulic Principles and Applications
Thursday, March 22, 2018, 11:00 AM - 1:00 PM CDT

   Applications for open channel hydraulic analysis

      • River and watercourse analysis

      • Floodplain management

      • Flood hazard mapping and risk analysis

      • Channel and levee design

      • Roadway crossing and bridge analysis and design

      • Bridge scour analysis

   Hydraulic analysis principles

      • Conservation of energy

      • Conservation of momentum

      • Bernoulli Equation

      • Energy losses

      • Backwater and forewater calculations

      • Computer based analysis and computations

Working with the HEC-RAS User Interface
Thursday, March 22, 2018, 1:30 - 3:00 PM CDT

   History and development of US Army Corps HEC-RAS software

   Program file and project management

   Data entry and editing

   GIS data usage

   Results and reporting

   Mapping capabilities

Water Surface Profiling
Friday, March 23, 2018, 11:00 AM - 1:00 PM CDT

   Flow types

   Analysis data required for modeling

   Cross section location

   Discharge flows and boundary conditions

   Step backwater calculations

   Model calibration

   Special Elements

      • Bridge and culvert modeling

      • Crossing locations

      • Crossing flow regimes

      • Ineffective flow areas

      • Bridge model setup

Steady Flow Surface Profile Demonstrations
Friday, March 23, 2018, 1:30 - 3:30 PM CDT

   Steady flow surface profile demonstration 1

      • Live demo for typical river reach

      • Project file setup

      • Geometry file demo

      • Steady flow file demo

      • Setting boundary conditions

      • Simple river reach modeling tips

   Steady flow surface profile demonstration 2

      • Live demo for simple bridge

      • Setup of typical bridge cross section model

      • Establishment of ineffective flow areas

      • Simple bridge modeling tips

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 will be provided for each webinar attended and will be sent via email in PDF form about five business days after the date of the conclusion of the series.

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 system requirements:

Operating System:
Windows 7, Windows 8 or Windows 10 Mac OSX 10.9 (Mavericks) - 10.12 (Sierra)

Web Browser:
Chrome v34+, Firefox v34+, Internet Explorer 8+, Microsoft Edge v12+, Safari v6+

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

Credit Information:

Who Should Attend

  • Architects
  • Engineers
  • Floodplain Managers

     7.5 HSW CE Hours

     7.5 HSW LUs

     7.5 PDHs

Floodplain Managers:
     7.5 CECs

Continuing Education Credit Information

HalfMoon Education is an American Institute of Architects-approved continuing education sponsor (No. J885), and is deemed an approved continuing education sponsor for architects in New York. These webinars are not approved for Florida architects. Other states do not preapprove educators or courses. Check each webinar for the number of continuing education hours available. HalfMoon Education is an approved engineer continuing education provider in Florida, Indiana, Louisiana, Maryland, New Jersey (Approval No. 24GP00000700), New York (NYSED Sponsor No. 35), North Carolina, and North Dakota. Other states do not preapprove educators or courses. These webinars offer engineer continuing education credit in all states. Check each course listing for the number of PDHs available. Participation and knowledge retention will be verified for these webinar events, certificates of completion will be provided, and LUs will be reported to the AIA. Please see individual course listings for credit approval.

The Association of Floodplain Managers has approved the HEC-RAS webinars. See course listings for available CECs.

HalfMoon Education is an International Code Council Preferred Provider. The Commercial Energy Conservation Code webinars have been approved by the ICC. See webinar listings for available CEUs.


Gregory H. Nail, PhD, PE

Associate Professor, University of Tennessee at Martin
Dr. Nail is an associate professor in the Engineering Department at the University of Tennessee at Martin where he teaches a variety of courses including fluid mechanics, hydraulics and hydrology, and hydraulic and hydrologic modeling.  He holds a professional engineer’s license based on having passed both the Civil and Mechanical discipline-specific exams.  Prior to coming to UT-Martin in 2002 he worked as a research hydraulic engineer for the United States Army Corp of Engineers for 11 years.  He is a former member of the Executive Committee of the Tennessee American Water Resources Association, and he has lectured on various HEC-RAS modeling topics at the Annual Tennessee Water Resources Symposium and at other venues.  Dr. Nail earned his B.M.E. degree from Auburn University and his M.S. and Ph.D. degrees from Texas A&M University.

Tuition Costs:

Standard Tuition: $375.00
Online Tuition (pre-registration): $325.00

Each registration includes one copy of a manual prepared by the seminar speakers.