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Simulator42 is an open source process simulator project with the goal of providing an affordable and accessible chemical process simulator to the chemical engineering community.

Some interesting features of the project:

  • It is being written in the Python language.
  • The simulator core has been designed to be independent of both user interfaces and thermo providers.
  • The flow sheet solver can propagate partial information both backward and forward through the flow sheet. This feature allows many complex problems to be solved without iterative calculation of recycle loops. Consistency checks are used to avoid unintended over specification of problems.
  • A distillation column employing a Russell inside/out algorithm and capable of solving complex pump around and side stripper problems has been implemented.
  • Several user interfaces are already available or being developed for Sim42, including a basic command line interface, a graphical interface based on wxWindows, a web browser based interface/server and a professional commercial interface.

Simulator42 does not have an own thermo package however it makes available using the commercial thermo package of VMG (Virtual Materials Group, Inc). VMG package is free to use through Redlich-Kwong model. In 2007 OllinTS project started the developing of an open source thermodynamic server that could be used by Sim42.

Unfortunately Sim42 project was abandoned in 2005/2006. So there is not a support website or official repository from Sim42’s code/package (see the old original website in Internet Archive Wayback Machine). Nevertheless, the last version (2.0.0.0) for Windows can be downloaded from alternative mirrors.

Mirrors:

Sim42 requires the installation of Python 2.2.2+, Numerical Python 22+ package and a thermodynamic server (VMG or OllinTS).

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  • Gustavo Leon posted: Oct 03 2012 at 10:00 pm

    Hi Rodolfo, do you by chance knows how to contact the main developer of SIM42?

  • Rodolfo Rodrigues posted: Oct 07 2012 at 7:09 pm

    Gustavo, I am pretty sure that Raul Cota, the main developer, may have some position at the VMG. You should also try to look for other names of the original article:
    http://cache.org/site/news_stand/fall03/fall2003_develop.pdf

  • Sim42 « Sami Sim posted: Dec 26 2012 at 4:16 am

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  • Hayertjez posted: Apr 15 2015 at 5:43 am

    Is there any news on this project is the code still somewhere?

  • Rodolfo Rodrigues posted: Apr 20 2015 at 8:49 am

    Hayertjez,

    The source code is available at SourceForge project’s OllinTS. I don’t have news on sim42 project. I am pretty sure we can assume this project is closed.