Pinpoint Mass Balance Problems with the Hydraulic Reviewer

Part of the Hydraulics and Hydrology Video Series (more info)

Have you ever encountered a challenging storm or sewer model in SewerGEMS or CivilStorm and wished you could easily pinpoint areas of instability? Did you ever wish you could report overflow volumes on a per-node basis? Did you know that the Hydraulic Reviewer tool can be used to help with this? To learn more, watch this short video. The video covers the following:

  • Reporting total inflow, outflow and overflow volume for specific wetwells, catchbasins, manholes and ponds
  • Identifying instability (volume deviation) for specific wetwells, catchbasins, manholes and ponds.
  • Identifying pipes with high deviation (change in flow from one timestep to the next)

Applicable products/versions:
•SewerGEMS and CivilStorm: V8i and higher (Implicit and Explicit numerical solvers)


This video is part of a growing library of useful information designed to provide effective tips and information about time-saving product features within Bentley’s Hydraulics and Hydrology products. Be sure to check back frequently to view the latest video. Better yet, subscribe to this blog by turning Notifications On.

Mark Pachlhofer
Technical Support Engineer, Senior
Bentley Systems, Inc.


See Also

What is the continuity error and what's a good percentage for it?

How to find volume (such as overflow volume) through specific elements

Troubleshooting unstable SewerGEMS and CivilStorm results using the implicit solver