2D Modeling

8 Articles

Information on how to work with GeoHECRAS 2D for 2D flow modeling. Includes tutorials, reference articles, videos, and more.

2D Conveyance Obstructions

Conveyance obstructions can be assigned to the 2D mesh to account for regions that are permanently blocked from conveying flow....

2D Flow Area Connection Issues

A flow area connection can be used to model a hydraulic structure between two adjacent storage areas, a storage area...

2D Ineffective Flow Areas

Ineffective flow areas can be assigned to the 2D mesh to account for regions where the water is not actively...

HEC-RAS 2D Bridge Modeling

When working with bridges with complex geometry, modeling the hydraulics in 2D provides a clearer understanding and a more accurate...

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 Flood Result Raster Grids

While GeoHECRAS constructs a flood map representing the area of inundation, it can simultaneously generate an elevation raster grid (or...

Modeling Lateral Flows

In HEC-RAS, lateral structures are used to model flow being transferred between a river and adjacent elements, such as another...