Please note : This help page is not for the latest version of Enterprise Architect. The latest help can be found here.

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Install OpenModelica

On Windows

  • Download the OpenModelica Installer from
  • Double-click on the OpenModelica installer and follow the wizards
  • Make sure you can locate omc.exe (for example, C:\OpenModelica1.9.2\bin\omc.exe)

On Linux

Go to the URL ( and follow the instructions:

1. Run this script to add OpenModelica to your additional repository list

  • for deb in deb deb-src; do echo "$deb `lsb_release -cs` release"; done | sudo tee /etc/apt/sources.list.d/openmodelica.list

Note: If you are installing on Linux Mint Rosa, this Repository can be created:

  • deb rosa nightly
  • deb-src rosa nightly

You must change 'rosa' to 'trusty' in order to make it work.

Menu | Search Bar | Software Sources (type in password) | Additional repositories | Select 'Openmodelica' | Edit URL | change rosa to trusty | OK | Do the same for 'Openmodelica(Sources)'

2. Import the GPG key used to sign the releases:

  • wget -q -O- | sudo apt-key add -

3. Update and install OpenModelica

  • sudo apt-get update
  • sudo apt-get install openmodelica
  • sudo apt-get install omlib-.* # Installs optional Modelica libraries (most have not been tested with OpenModelica)

Check that you can find the file under /usr/bin/omc.

Configure OpenModelica in EA


Simulate > SysMLSim > Manage > SysMLSim Configuration Manager > Menu > Configure Modelica Solver


Double-click on an Artifact with the SysMLSimConfiguration stereotype > Menu > Configure Modelica Solver

Configure Solver

Displayed the 'Modelica Solver Path' dialog, in which you type or browse for the path to the Modelica solver to use

  • For windows, it looks like this:

  • For Linux, it looks like this: