General Information

17 Articles

General information on how to use GeoHECRAS in constructing, editing, analyzing, and reviewing HEC-RAS models. Includes tutorials, reference articles, videos, and more.

Common HEC‑RAS Workflows

GeoHECRAS can perform the following HEC‑RAS workflows: Floodplain Analysis and Mapping Floodplain Encroachment Studies Roadway Crossing (Bridge & Culvert) Design...

HEC-RAS 2D Flow Area Modeling

HEC-RAS 2D flow modeling can be used in a variety of different situations: Detailed 2D channel and floodplain modeling Combined...

HEC-RAS Minor Loss Coefficients

Minor losses represent sources of energy depletion along a river reach that are not related to friction loss. For example,...

Selection Modes

Selecting multiple elements can get frustrating, especially if the project has a lot of complex data loaded. To simplify this,...

Software System Requirements

This article provides the system requirements for the CivilGEO engineering software. Before installing our software, it is important that you...

Terrain Elevation Geometry Sources

GeoHECRAS can utilize elevation data for creating and generating: Terrain surfaces Cross sections Roadway crossing high chord geometry Inline structure...

Types of Data that can be exported

GeoHECRAS can export the following data formats: HEC‑RAS Projects (*.prj) HEC‑RAS Archive File containing HEC‑RAS Project Files (*.zip) AutoCAD Drawing...

Understanding Scenarios

HEC‑RAS provides the ability to work with multiple scenarios (or plans) within a single project. Each scenario associates a specific...

Understanding the User Interface

The GeoHECRAS user interface has several features that will be examined in detail in the following sections. The user interface...