Quickly Edit Reach Lines in the Geometry Editor

Editing the positioning of your geometry in HEC-RAS can sometimes be a pain, especially with large systems. This tip will show you how to quickly (and easily!) remove sections of a reach. If you import reach stream lines through ArcGIS, or a similar program, your schematic may look similar to the figure below. In this […]

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Initial Conditions Trick

I’ve mentioned many times on this blog and in class about the importance of having your initial conditions flow match your first time step flow, when running an unsteady flow model.  As with any “rule” in RAS modeling, there are exceptions to this, but generally speaking, if your first timestep flow is “X”, then your […]

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