OWA:EPANET 2.3.5

This patch release fixes the EN_setflowunits() Toolkit function so that flow unit conversions are made for all Generic curves assigned to objects. It also no longer has the function silently change pressure units when the unit system changes since v.2.3 supports mixed-unit conventions (e.g., using LPS for flow and PSI for pressure).

OWA:EPANET 2.3.4

This patch release fixes a units conversion bug that caused pipe leakage results to be computed incorrectly.

OWA:EPANET 2.3.3

This patch release corrects how the Toolkit function EN_setlinkvalue assigns an Open/Closed status to a link.

OWA:EPANET 2.3.2

This patch release fixes how the Toolkit function EN_setpipedata assigns a minor loss coefficient to a pipe.

OWA:EPANET 2.3.1

This patch release restores the ability to assign an initial status of fully open to a valve and corrects how the setting of a Positional Control Valve is changed using the API or with a control.

OWA:EPANET 2.3

Version 2.3 adds some useful new features to the previous release of OWA-EPANET. These additions include:

• a Positional Control Valve whose loss coefficient is determined by its percent open setting.
• a Fixed And Variable Area Discharge (FAVAD) model to compute pressure-dependent pipe leakage
• the ability to enable or disable simple and rule-based controls
• a Flow Balance report listing the components of a system's total inflow and outflow
• the option to use an expanded set of pressure units independent of the unit system in place
• the ability to edit EPANET's Tag property
• an API binding for C#
• improved support for using the API as a database editor for graphical user interfaces.

In addition some existing features were improved and a number of bugs were fixed. Please consult the ReleaseNotes2_3.md file for the full list of updates. Updated documentation of the API for this new version of the OWA-EPANET Toolkit can be found here.

OWA:EPANET 2.2

Version 2.2 represents some major improvements over the first community release of EPANET. Some highlights:

• includes a full set of functions to set and retrieve values for all parameters contained in a network model
• networks can be built programmatically; completely from function calls instead of from an input file
• multiple projects can be analyzed in parallel in a thread-safe manner
• the ability to use pressure dependent demands in hydraulic analyses
• more robust results with regard to hydraulic convergence, low/zero flow conditions, and water quality mass balance
• faster run times for single period hydraulic analyses.
• the updated DLL will work with the current GUI released by US EPA.

Change of code benchmark version - dev3

This change of the code benchmark version is due to changes introduced in #282. The new benchmark results, marked as v1.0.2-dev.3, can be found here.

Change of code benchmark version - dev2

This change of the code benchmark version is due to formatting changes in the report files introduced with #210. The new benchmark results, marked as v1.0.2-dev.2 can be found here.

EPANET v2.1

This is the first official community release of epanet, as version 2.1 - please check the release notes for important information regarding extensions, modifications, and bug fixes. Documentation available at wateranalytics.org/EPANET and pre-built binaries for the major platforms can be found below.