The Great Hobbiton Flood For those who have used wormhole culverts or mega-cell culverts in previous versions of HEC-RAS, you’ll be relieved to hear that they have officially been retired with the May 2 release of the new Version 5.0.4. It sounds like the new features are already getting lots of use, and online and […]
I’ve been seeing some cool applications of HEC-RAS from around the world lately. Here are some articles showing a few ways we’ve been putting HEC-RAS to use down under. Making Middle Zealand Did you know that the only thing keeping New Zealand’s two main islands from being split into three is a little 2-km wide […]
Version 5 of HEC-RAS allows the use of rating curves for inline structures (and lateral structures). Rating curves can be added through the Outlet RC feature in the inline structure editor. Inline structure rating curves can be useful for evaluating the impacts of structures, such as labyrinth dams, where it may be difficult to correctly […]
HEC-RAS allows for four different gate types that will compute the stage-discharge relationship of that gate for you based on the physical size/shape of the gate and a few empirical coefficients: Sluice Gates, Radial Gates, Overflow Gates (closed top) and Overflow Gates (open air). However, sometimes the built-in gate types don’t quite fit the gate […]