RAS Mapper is a window in HEC-RAS that allows you to preprocess 2D areas, map results, and manage background images. In future versions of HEC-RAS, RAS Mapper will become more and more prevalent in our HEC-RAS modeling experience. As I understand it, eventually RAS Mapper and the geometry editor window may merge to form the […]
There have been many questions lately about whether HEC-RAS 5.0 can perform a simulation with ONLY a 2D mesh (i.e. no cross sections). The answer is yes. In fact, in many ways it’s a lot easier. In this example, the standard Muncie project offered by the Hydrologic Engineering Center has been converted first to SI […]
Let’s say you have a digital terrain model of the area you want to model with 2D HEC-RAS. ONLY 2D RAS. In other words, you want to lay out a grid, but do not want to have do to any 1D computations-all 2D. The problem is the area you want to model includes one or […]