
HEC-RAS - United States Army
The HEC-RAS website provides a number of resources, which include helping the user download software, learn how to use HEC-RAS, resolve problems, report bugs, and suggest improvements to …
HEC-RAS Downloads
HEC-RAS has been developed for the U.S. Army Corps of Engineers (USACE). However, software developed at the Hydrologic Engineering Center is made available to the public whenever …
Introduction to HEC-RAS
HEC-RAS is an integrated system of software, designed for interactive use in a multi-tasking environment. The system is comprised of a graphical user interface (GUI), separate analysis …
HEC-RAS 2025
RAS 2025 was written from scratch in C#.NET, with performance and quality assurance testing in mind. Modernizing and centralizing from 4 programming languages into 1 will help focus the team for more …
HEC-RAS Features
HEC-RAS is designed to perform one and two-dimensional hydraulic calculations for a full network of natural and constructed channels. The following is a description of the major capabilities of HEC-RAS.
HEC Software - United States Army
Although our software is developed to meet the needs of the U.S. Army Corps of Engineers' planning and engineering communities, we do make our software available to the public whenever appropriate.
HEC-RAS Documentation
The HEC-RAS Documentation Home Page is the most comprehensive source of documentation on HEC-RAS. The home page contains User's Manuals, Hydraulic References, Application Guides and …
HEC-RAS Training
HEC-RAS Training page provides links to training materials including videos from lectures and webinars, and workshop material from training classes. HEC-RAS Guides and Tutorials
Installing HEC-RAS
Installation of the HEC-RAS software is accomplished through the use of the Setup program. To install the software onto your hard disk, do the following: Download the setup program from our web page: …
Introduction - hec.usace.army.mil
HEC-RAS is designed to perform one-dimensional (1D), two-dimensional (2D), or combined 1D and 2D hydraulic calculations for a full network of natural and constructed channels.