The new 2D features and mapping tools are the most anticipated new features in HEC-RAS 5.0. However, HEC also added a couple major new sediment features, as well as many minor features and a few substantial bug fixes (e.g. SI Units). The two major features are the ARS-USDA Bank Stability and Toe Erosion Model (BSTEM) […]
(Initial post 19 Feb., 2015. Updated 20 Feb., 2015). I continue to be more and more impressed with how user-friendly and robust the new 2D feature is in HEC-RAS. However, there are some issues to be aware of, particularly in how results are mapped. I want to take the next two blog posts to highlight […]
There has been a lot of demand from new owners of the book “Breaking the HEC-RAS Code” for example code in VBA form. So…here it is! Aside from the obvious fact that you wont have to re-type code from the book into your own Excel VBA modules, this Excel Workbook provides the benefit of seeing […]
Don’t miss out on these opportunities to be among the first to get training on HEC-RAS 2D! 2D Free Surface Flow Modeling SANCOLD 2015 Conference in Pretoria, South Africa. February 2-6, 2015 http://www.sancold.org.za/images/2D_Free_Surface_Flow_Modeling_Course.pdf Two-Dimensional Modeling using HEC-RAS ASCE Live Seminar, Tampa, Florida USA, February 25-27, 2015 http://mylearning.asce.org/diweb/catalog/item/id/242087/q/c=79&q=hec-ras&t=2122&t=2115 2D HEC-RAS Workshop Floodplain Management Association, McClellan, California, […]
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 […]
Happy New Year RAS Modelers- I’ve added a new sub-forum for HECRASController users to post questions and comments specific to the HECRASController and to submit sample code that you would like to share with others. As you do more and more programming with the HECRASController, please consider sharing some of your useful code with others. […]
HEC recently published a new training document called “Using HEC-RAS for Dam Break Studies”. Written by Gary Brunner, P.E., D.WRE, it is an easy to follow guide for performing Dam Break simulations in HEC-RAS. It covers topics like: Which routing technique to use to route flows through your reservoir (Dynamic or Level Pool-although I wish […]
One of the most powerful, yet relatively unknown features available in HEC-RAS is the HECRASController. The HECRASController API has a wealth of procedures which allow a programmer to manipulate HEC-RAS externally by setting input data, retrieving input or output data, and performing common functions such as opening and closing HEC-RAS, changing plans, running HEC-RAS, […]
Are you an HEC-RAS user? Yes? OK, try this out: 1. If you haven’t already done so, install the HEC-RAS example projects to the default location. 2. Open up a blank workbook in Excel. 3. Press Alt-F11. When the Visual Basic Editor Window opens up, select Tools…References… 4. Scroll down until you see HEC River […]
“Flow or Temp time series date is not sufficient to run requested time window.” This one has been around for a while, but it just showed up again on the Facebook HEC-RAS User’s Group, so I thought I’d show the fix(es) here. This applies to the new beta version of 5.0, as well as previous […]