1D/2D Modeling Programs, Calibration, and Application Moderator
Author: Kevin Denn (West Consultants)
The US Army Corps of Engineers, Hydraulic Engineering Center (HEC) is developing a two-dimensional (2-D) component for the hydraulic modeling software program HEC-RAS. Currently, the ALPHA version of 2-D HEC-RAS has been released to select users to test the new capabilities of the program. The BETA version of 2-D HEC-RAS is scheduled for release in May, 2014, while the full version of 2-D HEC-RAS is scheduled for release in October, 2014. The computational engine for 2-D HEC-RAS was built from scratch and introduces novel modeling approaches to create an accurate and robust model that will also be stable and user-friendly.
This presentation will provide a general overview of the 2-D modeling component of HEC-RAS. Topics included in the presentation will cover the equations used in the software, method of interaction between 1-D and 2-D components, grid setup options, terrain representation techniques, mapping methods, and output options. Capabilities set to be included in the full release of 2-D HEC RAS will also be discussed. Finally, the computational time requirements and results for the 2-D BETA version of HEC-RAS will be compared to other widely-used 2-D models.
Keywords:
How to Cite: Denn, K. (2014) “Two-Dimensional Capabilites of HEC-RAS”, National Hydraulic Engineering Conference 2014. 1(2014).