Overview of Center for Infrastructure Modeling and Management NCIMM for #SWMM6

The Center for Infrastructure Modeling and Management has been envisaged as an entity that will preserve, promote and extend the US EPA SWMM and EPANETsoftware applications, and potentially other applications.  SWMM and EPANET are two foremost tools for assessment of watershed hydrology and pipe network hydraulics, respectively, and are perhaps unparalleled examples of technical community accomplishments conducted as a partnership of stakeholders from all avenues of professional practice.  Build over decades with participation from regulatory, academic, consulting,  owner/operator, vendors, and institutional support under the continuing leadership of the US EPA, these tools are used around the world as 'first choice' software applications in many, many situations.  They will remain as first choice tools for years to come.  A key question, therefore, is how to ensure these hallmarks of professional practice can be maintained, promoted, and developed going forward.  The expectations of users has evolved, needs have evolved, so the tools and their support mechanisms must evolve along with them. 

Contents of EPANET2.ZIP

Contents of EPANET2.ZIP

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This archive contains the source code for the EPANET 2
network hydraulic and water quality solver. The solver
provides functions for simulating the extended period
hydraulic and water quality behavior of water distribution
system pipe networks. It is written in ANSI-compatible C
and can be compiled into either a Windows Dynamic Link
Library of functions or into a command-line executable.

The archived code is set up for compilation as a DLL.
To compile it as a command line (or console) application
simply comment out the "#define DLL" macro statement at
the top of EPANET.C and un-comment the "#define CLE" macro.

The DLL version of the solver (epanet2.dll) is used with
the EPANET 2 user interface executable (epanet2w.exe) to
form a complete Windows modeling package. It also serves
as the function library for the EPANET Programmer's Toolkit,
allowing developers to construct their own customized pipe
network analysis applications.

The following C-code files are included in this archive:
    EPANET.C  -- main module providing supervisory control
    INPUT1.C  -- controls processing of input data
    INPUT2.C  -- reads data from input file
    INPUT3.C  -- parses individual lines of input data
    INPFILE.C -- saves modified input data to a text file
    RULES.C   -- implements rule-based control of piping system
    HYDRAUL.C -- computes extended period hydraulic behavior
    QUALITY.C -- tracks transport & fate of water quality
    OUTPUT.C  -- handles transfer of data to and from binary files
    REPORT.C  -- handles reporting of results to text file
    SMATRIX.C -- sparse matrix linear equation solver routines
    MEMPOOL.C -- memory pool management routines
    HASH.C    -- hash table routines

Also included are the following header files:
    TOOLKIT.H  -- function prototypes of exported DLL functions
    FUNCS.H    -- prototypes of all other functions
    TYPES.H    -- declaration of global constants and data structures
    VARS.H     -- declaration of global variables
    HASH.H     -- header file for hash table routines
    MEMPOOL.H  -- header file for memory pool routines
    ENUMSTXT.H -- string constants for enumerated types
    TEXT.H     -- declaration of all other string constants

The comments at the top of each file lists the date when the latest
update was made, and these updates can be located in the code by
searching for comments with the phrase "/*** Updated" or with the
release number (e.g., 2.00.12) in them.

Other useful documentation that can be consulted includes the EPANET
Programmers Toolkit Help file and the EPANET Version 2 Users Manual.