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Hydrologic Engineering Centres-River Analysis System (HEC-RAS) is widely used especially for predicting the impacts of flooding.

Acknowledged industry icons who work with the HEC-RAS authors and developers, Mark, Krey and Rob, are back to explain these key strategic HEC-RAS improvements:

* Faster computation speed
* Ability to pre-process all 1D elements in RAS Mapper without GEO-RAS.
* Additional hydraulic structure options
* Variable computational time step
* RAS Mapper enhancements
* Internal boundary conditions
* 2D polygon mesh refinement
* Interface Bug Fixes

This is the first in a series of 2018 HEC-RAS Webinars aimed at specific aspects of this widely used water modelling software.