IAFSM HEC-RAS 2D Modeling Workshop, September 2024

Sep 24 8:00 AM–25, 2024 5:00 PM
Northern Illinois University (NIU) Naperville Campus
1120 E Diehl Rd
Naperville, IL 60563
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Instructor: Ben Cary, PE, CFM, from Kleinschmidt


The Illinois Association for Floodplain and Stormwater Management (IAFSM) is hosting a two-day workshop on HEC-RAS 2D modeling at the Northern Illinois University (NIU) Naperville campus. This hands-on workshop will provide in-depth instruction on using HEC-RAS for two-dimensional hydraulic modeling, covering both foundational concepts and advanced techniques. Bring a laptop with the latest HEC-RAS software downloaded on it. Please also bring your charging cable. Breakfast and Lunch will be provided. Space is limited.

Instructor Profile

The workshop will be conducted by Ben Cary, PE, CFM, from Kleinschmidt. Ben is an expert in HEC-RAS 1D and 2D hydraulic modeling. He is an instructor in the Kleinschmidt HEC-RAS Webinar series and he is the co-creator of Full Momentum, a HEC-RAS Vodcast. Ben is a licensed Professional Engineer in the state of Oregon and a Certified Floodplain Manager.

Workshop Objectives

This workshop aims to equip participants with the skills needed to effectively use HEC-RAS for 2D hydraulic modeling. 
Attendees will:
  • Learn the differences between 1D and 2D modeling and the new features introduced in HEC-RAS 6.4.1.
  • Gain hands-on experience through practical exercises and real-world project examples.
  • Understand the use of RAS Mapper and preprocessing techniques.
  • Develop proficiency in creating and analyzing 2D models, including complex scenarios like river restoration and hydraulic structure analysis.

Who Should Attend

This workshop is intended for consulting engineers, water resource planners, and engineers employed by local, state, or federal government agencies. Participants should have experience in floodplain hydrology and hydraulics, as well as familiarity with HEC-RAS 1D steady and unsteady flow computer modeling.


Day 1:

8:00 - 8:30 AM: Welcome
8:30 - 10:00 AM: Introduction to Two-Dimensional Modeling (2D) in HEC-RAS
10:00 AM - 12:00 PM: RAS Mapper Preprocessing
12:00 - 1:00 PM: Lunch
1:00 - 3:00 PM: Workshop: Creating a 2D Model
3:00 - 4:15 PM: Entering Flow Data
4:15 - 5:00 PM: Questions and Answers

Day 2:

8:00 - 8:30 AM: Welcome and Review of 2D Bridges
8:30 - 10:30 AM: Workshop: 2D Bridge Modeling
10:30 - 11:30 AM: Performing Computations
12:00 - 1:00 PM: Lunch
1:00 - 3:30 PM: Workshop: River Restoration
3:30 - 5:00 PM: Questions and Introduction to 2D Encroachment Analysis using HEC-RAS

Registration and Fees

Members (Public Employee) and Students: $400
Members (Private Employee): $500
Non-Members: $550
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