
from a variety of data sources
GeoHECRAS 2D®
What is GeoHECRAS 2D?
GeoHECRAS 2D significantly speeds up creation and review of 1D and 2D HEC-RAS models, producing better and more accurate results. 2D bridge modeling, FEMA 2D floodplain encroachment modeling, 2D dam failure modeling and 2D stream restorations are just some of the projects that can be quickly completed using GeoHECRAS 2D. Automatic mesh creation, automatic bad element fixing, adaptive meshing, 2D conveyance obstructions and automatic mesh refinement greatly increase engineering productivity. Also, because GeoHECRAS 2D is a data wrapper to the USACE HEC-RAS software, everything is done within HEC-RAS using GeoHECRAS’ AutoCAD compatible graphical user interface.
Work Faster with Automated Workflows









AutoCAD, MicroStation & ESRI ArcGIS compatible graphical interface to HEC-RAS
GeoHECRAS 2D is an AutoCAD, MicroStation and ESRI ArcGIS compatible interactive 2D/3D graphical user interface data wrapper to the US Army Corps of Engineers HEC-RAS software.
Import a variety of different data quickly and easily into HEC-RAS
Import existing Army Corps HEC-RAS models and quickly georeference them to real-world maps using included georeferencing tools.
Work simultaneously on multiple HEC-RAS models
Work with multiple HEC-RAS projects simultaneously using the Multiple Document Interface (MDI), including copying and pasting of cross sections and other data between HEC-RAS projects.
Draw 2D Mesh Faces
The Draw 2D Mesh Face command allows the user to draw a mesh patch (or mesh template) and direct the software to honor the drawn patch when generating the mesh.
2D Floodplain Encroachments
The 2D Floodplain Encroachment command automates the placement and analysis of floodplain encroachments along the river reach when performing a 2D steady or unsteady flow computation.
Draw 2D Mesh Faces
The Draw 2D Mesh Face command allows the user to draw a mesh patch (or mesh template) and direct the software to honor the drawn patch when generating the mesh.
2D Floodplain Encroachments
The 2D Floodplain Encroachment command automates the placement and analysis of floodplain encroachments along the river reach when performing a 2D steady or unsteady flow computation.
Particle Tracking Maps
Plot moving particles on the flood map to represent the flow field for both 1D river reaches and 2D flow areas.
2D Flow Training Structures
Incorporate 2D flow training structures for river and stream restoration projects. Define river structural measures to improve the flow of the river and maintain the channel within the floodway, preventing and reducing river channel migration during flood events.
2D Conveyance Obstructions
Conveyance obstructions can be assigned to the 2D mesh using polylines or polygons. Alternatively, draw conveyance obstructions on the Map View.
Auto Fix 2D Mesh Bad Elements
The Army Corps of Engineers HEC-RAS software generates 2D meshes that contain elements that are marked “bad” and require manually fixing by the user.
Assign Land Cover Data
Assign land cover polygons and/or National Land Cover Database (NLCD) data as Manning’s roughness to cross sections and 2D flow areas.
Google Earth Map Animation
Export flood map animations to Google Earth. This is helpful for presentations on flood risk assessment and flood management.
Velocity Vector Maps
Plot velocity vectors on the flood map to represent the flow field for both 1D river reaches and 2D flow areas.
Flood Hazard Maps
Create 2D flood hazard maps, including:
- Flood Arrival Time
- Depth x Velocity
- Depth x Velocity²
- Flood Duration
- Flood Recession Time
- % Time Inundated
- Velocity
Full HEC-RAS Model Support
Compute HEC-RAS steady and unsteady flow results directly within the software.
Powerful 64-bit, Multi-Core Support
Handle larger projects with powerful 64-bit, multi-core, parallel processing support.
Complete Reporting
Complete HEC-RAS reporting is provided, including cross section plots, cross section tables, profile plots, profile tables, and more.
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