Modsim Documentation

Click HERE to download MODSIM documentation, examples, tutorials and user manual!

(login using "modsim" for the username and "documentation" for the password;
if you are having trouble accessing the site, use a browser other than IE)

Documentation is not yet available for additional tools found in versions after MODSIM 8.1.

Modsim Downloads

MODSIM and CSUDP are provide free of charge for general use to support water resources projects and research. Unfortunately at this point we are limited in our ability to provide free support for application of these tools. Professional support for projects, customization and features enhancement is available throught RTI International. Contact MODSIMSupport@rti.org

Version Release Date Notes
MODSIM 8.6 (Beta) August 1, 2021
Features
  • SQLite format output.
  • Time series database options.
  • Link measured flows time series and comparison statistics.
  • Enhanced visualization of nodes with inflow.
  • Handling of default maximum capacity with decimal accuracy (Interface)
Release Notes

Microsoft .NET Framework 3.5 is required for MODSIM installation.
MODSIM 8.5.1 August 5, 2018 Release Notes

Microsoft .NET Framework 3.5 is required for MODSIM installation.
MODSIM 8.5.0 February 22, 2016 Release Notes

Microsoft .NET Framework 3.5 is required for MODSIM installation.
MODSIM 8.4.5 February 9, 2016 Release Notes

Microsoft .NET Framework 3.5 is required for MODSIM installation.
MODSIM 8.3.2 March 21, 2013
Features
  • 64-bit version allows simulation of larger systems (>4GB when loaded in memory).
  • Unique names for all artificial nodes and links.
  • Default link capacity can be changed in the Network Settings dialog.
  • Database handling is improved: Can handle Microsoft Office 2007 and 2010 files.
  • Export results to Excel.
  • Can copy data from plots.
  • Improved accuracy handling. Can now specify the desired number of digits after the decimal point!
  • Artificial links and nodes have names by which to identify them.
  • Sub-daily timesteps and user-defined timesteps can now be used.
  • A wider variety of units can be selected for input data.
  • The user can select whether or not to convert and fill units (which can be time-consuming at the beginning of the MODSIM run for large networks).

Microsoft .NET Framework 4.0 is required for MODSIM installation.
MODSIM 8.1 October 18, 2011
Features
  • Additional functionality (i.e. Storage Right Reservoir).
  • Custom code interface within MODSIM 8.1.
  • Network Overview window to navigate large networks.
  • Easier to use interface and data entry forms.
  • Ability to incorporate MODSIM with the ArcGIS interface.
  • Powerful graphing tool and water rights managing tool.

Microsoft .NET Framework 1.1 is required for MODSIM installation.

Note: If you need an earlier/older release, please send us an e-mail.

Problems with Modsim?

If you are having a problem with Modsim, bugs/issues can be reported here: https://bitbucket.org/engr_csu/csu_geodss/issues

(Currently support is only provided for the most recent version of Modsim.)