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20131023, Peter Fritzson. Very short instruction to simulating World3 with OpenModelica The best reference to World3 is the very well written and very easy to read book: Meadows Donella, Jorgen Randers, and Denis Meadows. Limits to Growth: The 30Year Update. 368p. Chelsea Green, 2004, e.g. available at Amazon. Visit www.openmodelica.org to download the Windows version with system dynamics: Start OpenModelica connection editor (OMEdit). In the File pulldown menu select System Libraries. Select the SystemDynamics library among the system libraries (far down in the list):
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Peter Fritzson. - Welcome to OpenModelica - …€10‐23, Peter Fritzson. Very short instruction to simulating World3 with OpenModelica The best reference to World3 is the very well

Jun 16, 2018

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Page 1: Peter Fritzson. - Welcome to OpenModelica - …€10‐23, Peter Fritzson. Very short instruction to simulating World3 with OpenModelica The best reference to World3 is the very well

 

2013‐10‐23,  Peter Fritzson. 

Very short instruction to simulating World3 with OpenModelica 

The best reference to World3 is the very well written and very easy to read book: Meadows Donella, Jorgen Randers, 

and Denis Meadows. Limits to Growth: The 30‐Year Update. 368p. Chelsea Green, 2004, e.g. available at Amazon. 

Visit www.openmodelica.org  to download the Windows version with system dynamics: 

 

Start OpenModelica connection editor (OMEdit). In the File pulldown menu select System Libraries. 

Select the SystemDynamics library among the system libraries (far down in the list): 

 

Page 2: Peter Fritzson. - Welcome to OpenModelica - …€10‐23, Peter Fritzson. Very short instruction to simulating World3 with OpenModelica The best reference to World3 is the very well

Select WorldDynamics, World3 and one of the scenarios, e.g., Scenario2. Click on the right‐arrow (‐>) simulate 

button (top row) to simulate. To also simulate some other scenario, click on that one and click the simulate button. 

 

To plot, click on one or more of the variables in the right window. You can search for population by typing popul 

You can simulate several scenarios and plot one or more variable from each simulation in the same diagram. Below 

from Scenario1, Scenario2, Scenario3. 

 

 

Page 3: Peter Fritzson. - Welcome to OpenModelica - …€10‐23, Peter Fritzson. Very short instruction to simulating World3 with OpenModelica The best reference to World3 is the very well

This plot is from from Scenario2, Scenario3, and Scenario6. The last one (green) is the only of these without collapse.