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Presenter: Gregory H. Nail, PhD, PE

Seminar Date:

Seminar Location: Arlington, VA

Hilton Garden Inn Arlington/Courthouse Plaza
1333 North Courthouse Road
Arlington, VA 22201
Phone: 703-528-4444

This seminar is closed or full.


Registration:                        8:00 - 8:30 am

Morning Session:                8:30 am - 12:00 pm

Lunch (On your own):         12:00 - 1:00 pm

Afternoon Session:             1:00 - 4:30 pm

Applications of Open Channel Hydraulics

   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

Principles of Hydraulic Analysis

   Conservation of momentum

   Conservation of energy

   Backwater and forewater calculations

   Bernoulli Equation

   Computer based analysis and computations

   Energy losses

History and Development of US Army Corps of Engineers HEC-RAS Application

HEC-RAS Application User Interface

   Program file and project management

   Data entry and editing

   GIS data usage

   Results and reporting

   Mapping capabilities

Water Surface Profiling

   Flow types

   Analysis data required for modeling

   Cross section location

   Discharge flows and boundary conditions

   Model calibration

   Step backwater calculations

Bridge and Culvert Modeling

   Crossing locations

   Crossing flow regimes

   Ineffective flow areas

   Bridge model setup

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

Credit Information:

Who Should Attend

  • Engineers
  • Geologists/Geoscientists
  • Floodplain Managers

Professional Engineers
     6.5 PDHs

Floodplain Managers
     6.5 ASFPM CECs

     Non-Credit Continuing Ed.

Continuing Education Credit Information

This seminar is open to the public. It offers 6.5 PDHs to professional engineers in all states. Educators and courses are not subject to preapproval in Virginia.

HalfMoon Education is an approved continuing education sponsor for professional engineers in Florida, Indiana (License No. CE21700059), Maryland, New Jersey engineers (Approval No. 24GP00000700), North Carolina, and North Dakota.

The Association of State Floodplain Managers has approved this course for 6.5 CECs.

This course offers a non-credit continuing education opportunity to Virginia geologists. It may qualify for continuing education credit in other states. Refer to specific state rules to determine eligibility.

Attendance will be monitored, and attendance certificates will be available after the seminar for most individuals who complete the entire event. Attendance certificates not available at the seminar will be mailed to participants within fifteen business days.


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: $289.00
Online Tuition (pre-registration): $289.00
Group Prices
3 or more people each: $269.00

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