linkin OpenModelica via IDF

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I am designing / modelling new energy production hardware using OpenModelica.

I am modelling hydraulics --> electricity, electrolysis --> hydrogen, hydrogen --> electricity vis a turbine.

The hydraulics is affected by the physical location on water because it uses wave energy.

I would like to loop my system with buildings modelled so I can really see the real feedback loops. Although its not relevant to this firm, I will then be able to optimise the energy device for real world usage patterns. I can also employ particle swarm optimisation to improve the performance of the local and global system. I include this because it has relevance to the Autotune project at the DOE.

I noticed that the OpenModelica system uses IDF file format

1. Is EnergyPlus using some aspects / architectural patterns of OpenModelica?

2. How can I link my new hardware into EnergyPlus to create an integrated system, where the solver and the equilibrium flows through both as a closed loop system.

I am happy to develop code and contribute code if needed.

Perhaps some links to bring some sunlight on this area will help.