EPANET - Hydraulic Modeling Capabilities

Accurate and complete hydraulic modeling is a prerequisite for effective water quality modeling. EPANET contains a state-of-the-art hydraulic analysis engine that includes the following features:

• Does not impose limits on the size of the network that can be analyzed
• Calculate the friction head loss using the Hazen-Williams, Darcy-Weisbach or Chezy-Manning equations
• Includes small Head Losses for bends, accessories, etc.
• Constant or variable speed pump Constructors
• Calculate pumping energy and cost
• Models various types of valves, including shut-off, check, pressure regulating, and flow control valves
• Allows storage tanks to be of any shape (ie. diameter can vary with height)
• Considers multiple categories of demand at nodes, each with its own time-varying pattern
• Models dependent demands on emitter pressure and flow (eg sprinkler and hydrant)
• Can base system operation on simple tank level or timer controls and on complex rules based controls