HEC-RAS Modeling Basics
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Streamable MP4/PDF
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Agenda
Webinar instructions will be emailed before the date of the webinar.
Please log into the webinar 15 – 30 minutes before start time.
Tuesday, October 17, 2023
8:30 am – 5:00 pm CDT
Presented by Gregory H. Nail, PhD, PE
Introductions and Exploring Open Channel Hydraulics
- Introduction and overview
- Exploring open channel hydraulics
Steady One-Dimensional Open Channel Hydraulics Background and Theory
- Conservation of energy: steady one-dimensional
- Conservation of momentum
- Conservation of energy: energy losses
- Conservation of energy: computational enhancements
- Bernoulli’s Equation
- Computer-based analysis and computations
HEC-RAS and Water Surface Profiling
- Required data and boundary conditions
- Backwater and forewater calculations
- Bridge and culvert modeling
History and Development of HEC-RAS
Demonstration 1 – Building a HEC-RAS Model without GIS
- HEC-RAS user interface
- Building a hydraulic model without geo-referenced data
- Steady flow computational simulation
- Viewing of results
- Trapezoidal channel example
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 a HEC-RAS Model with GIS
- RASMapper interface and the projection file
- Digital elevation models and geometry creation
- Building a hydraulic model with geo-referenced data
- Steady flow computational simulation
- Display and interpretation of results
Demonstration 4 – Typical HEC-RAS River Reach and Mixed Flow
- Subcritical flow
- Mixed flow
Demonstration 5 – Typical HEC-RAS Bridge Model
- Cross section locations
- Expansion and contraction coefficients
- Implementing the bridge
- Steady flow simulation
- Viewing and interpreting results
Demonstration 6 – Typical HEC-RAS Culvert Model
- Cross section locations
- Implementing the culvert
- Steady flow simulation
- Viewing and interpreting results
Demonstration 7 – Typical HEC-RAS Encroachment Model
- Encroachment methods
- Steady flow simulation
- Viewing and interpreting results
Webinar Instructions
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.
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Windows 7 – 10 or Mac OSX Mavericks (10.9) – macOS Catalina (10.15)
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Internet Explorer v11 (or later) with Flash enabled
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Credits
Engineers
7.0 PDHs
Architects
7.0 HSW CE Hours
AIA - American Institute of Architects
7.0 HSW LUs
Landscape Architects
7.0 HSW CE Hours
LACES - Landscape Architecture Continuing Education System
7.0 HSW PDHs
Floodplain Managers
7.0 ASFPM CECs
Continuing Education Credit Information
This seminar and concurrent webcast are open to the public and are designed to qualify for 7.0 PDHs for professional engineers, 7.0 HSW continuing education hours for licensed architects, and 7.0 HSW continuing education hours for landscape architects in Tennessee. Professionals seeking continuing education credits in other states may be able to claim the hours earned at this event; please refer to specific state rules to determine eligibility.
The American Institute of Architects Continuing Education System has approved this course for 7.0 HSW LUs (Sponsor No. J885). Only full participation is reportable to the AIA/CES.
The Landscape Architecture Continuing Education System has approved this course for 7.0 HSW PDHs. Only full participation is reportable to the LA CES.
This Association of State Floodplain Managers has approved this course for 7.0 CECs for floodplain managers.
Attendance will be monitored, and attendance certificates will be available after the webinar for those who attend the entire course and score a minimum 80% on the quiz that follows the course (multiple attempts allowed).
On-Demand Credits
The preceding credit information only applies to the live presentation. This course in an on-demand format may not be eligible for the same credits as the live presentation; please consult your licensing board(s) to ensure that a structured, asynchronous learning format is appropriate. The following pre-approvals may be available for the on-demand format upon request:
7.0 HSW LUs (AIA)
7.0 HSW PDHs (LA CES)
Speakers
Dr. Gregory H. Nail, PhD. PE
The University of Tennessee at Martin - Engineering Department
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.
AIA Info
AIA Provider Statement:
HalfMoon Education Inc. is a registered provider of AIA-approved continuing education under Provider Number J885. All registered AIA/CES Providers must comply with the AIA Standards for Continuing Education Programs. Any questions or concerns about this provider of learning program may be sent to AIA/CES (cesupport@aia.org or (800) AIA 3837, Option 3).
This learning program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product.
AIA continuing education credit has been reviewed and approved by AIA/CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.
Course Title: HEC-RAS Modeling Basics
Delivery Method: Live Online
Course Description: This course examines open channel hydraulics for analyzing the flow of water through natural rivers and other channels. and how modeling can be used in the design of bridges and culverts, to forecast the encroachment of rivers and wetlands on development sites, and to model stormwater drainage.
Learning Objectives:
Learning Objective 1:
Learners will be able to discuss the principles of open channel hydraulics, including the conservation of momentum, conservation of energy, and Bernoulli’s Equation.
Learning Objective 2:
Learners will be able to model bridges and culverts in HEC-RAS using expansion and contraction coefficients and stead flow simulations, and they will be able to view and interpret the model results.
Learning Objective 3:
Learners will be able create a typical HEC-RAS culvert model using steady flow simulation, and they will be able to view and interpret the results.
Learning Objective 4:
Learners will be able create a typical HEC-RAS river/wetland/floodplain encroachment model and be able to view and interpret the results.
LUs: 7.0 LU Type: LU|HSWs.
Prerequisites: Experience with site development
Advance Preparation: None
Program Level: Intermediate
Course Expiration Date: 03/04/2025
Complaint Resolution Policy:
Complaints regarding this course can be emailed to fchapman@halfmoonseminars.org or by calling (715) 835-5900. A HalfMoon Education representative will respond within 72 hours to resolve the complaint, which will include, but not limited to, access to another CE activity at no or reduced cost or a full or partial refund. Each instance will be resolved on a case-by-case situation.
7 Knowledge Points
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