A nice replication of the Mamore Flood of 2014 in Bolivia using HEC-RAS Version 5 courtesy of Vladimir Moya.
Here’s a video of pressure and weir flow yesterday at a bridge near my house. This was brought on by some very intense rainfall over a short period of time. What do you think the weir coefficient would be? ‘Tis the season in many parts of the world for heavy rains and high water. This […]
Lateral structures can be used in HEC-RAS to transfer flow from a river/reach to a storage area, or to another river/reach. With the coming release of HEC-RAS with 2D capabilities (estimated beta release January/February 2014), you’ll be able to hook a river/reach to a 2-D area using a lateral structure. Although its primary function in […]
By using the Mixed Flow Regime option for Unsteady Flow Analysis, RAS can better handle transitions from subcritical to supercritical flow. This option should be utilized only after determining that a mixed flow situation exists, which requires judgment from the modeler. One application where this could be particularly useful is dam breach modeling, or any […]