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PR-DC OMOctave

GNU Octave scripting OpenModelica interface using ZEROMQ based on OMMatlab available at:
https://github.com/OpenModelica/OMMatlab/

Requirements

OpenModelica
GNU Octave

Provided interface is partially tested with GNU Octave 6.2.0 and OpenModelica 1.16.5.

Installation

Clone the repository and add the installation directory to Octave PATH. For Example

>> addpath('C:\OMOctave\')

You can also directly use the OMOctave package directly from the directory where you have cloned, without need to perform the above steps. But the package cannot be used globally.

Usage

>> omc = OMOctave();
>> omc.sendExpression("getVersion()")
ans =
{
  [1,1] = OpenModelica v1.16.5 (64-bit)
}
>> omc.sendExpression("model a end a;")
ans =
{
  [1,1] = a
}
>> omc.sendExpression('loadFile("C:/Program Files/OpenModelica1.16.5-64bit/OMSens/resource/BouncingBall.mo")')
ans =
{
  [1,1] = true
}
>> omc.sendExpression("getClassNames()")
ans =
{
  [1,1] = BouncingBall
  [1,2] = a
}
>> omc.sendExpression("simulate(BouncingBall)")
ans =

  scalar structure containing the fields:

    resultFile = C:/Users/User/Desktop/OMOctave/BouncingBall_res.mat
    simulationOptions = startTime = 0.0, stopTime = 1.0, numberOfIntervals = 500, tolerance = 1e-006, method = 'dassl', fileNamePrefix = 'BouncingBall', options = '', outputFormat = 'mat', variabl
eFilter = '.*', cflags = '', simflags = ''
    messages = LOG_SUCCESS       | info    | The initialization finished successfully without homotopy method.
LOG_SUCCESS       | info    | The simulation finished successfully.

    timeFrontend = 0.0065355
    timeBackend = 0.0096361
    timeSimCode = 0.0013927
    timeTemplates = 0.0318059
    timeCompile = 8.706928700000001
    timeSimulation = 0.3084547
    timeTotal = 9.0651016
>> omc.close();

To see the list of available OpenModelicaScripting API see https://www.openmodelica.org/doc/OpenModelicaUsersGuide/latest/scripting_api.html

License

Copyright (C) 2021 PR-DC info@pr-dc.com

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this program. If not, see https://www.gnu.org/licenses/.