Master the River Analysis System (HEC-RAS) with our comprehensive tutorial series. From basic 1D modeling to advanced 2D hydraulics and dam breach analysis.
The River Analysis System (HEC-RAS) is a free, industry-standard software package developed by the U.S. Army Corps of Engineers (USACE). It is the most widely used hydraulic modeling software for river and floodplain analysis in the world.
Learn the fundamentals of HEC-RAS hydraulic modeling. No prior experience required.
Download, install, and launch HEC-RAS for the first time
Build a complete steady flow model from scratch with step-by-step guidance
Create and edit river cross-sections, bank stations, and Manning n values
Dive deeper into HEC-RAS features including unsteady flow, structures, and RAS Mapper.
Master complex HEC-RAS features including 2D modeling, dam breach, and sediment transport.
Quick reference guides and troubleshooting resources.
Use these calculators alongside HEC-RAS for quick estimates and verification.
Begin with our Getting Started guide and build your first HEC-RAS hydraulic model today.
Start Tutorial 1