Hello all

An idea to load two FMU into a model was that both models would be partial and the linking equations (the equations that link the variables of both FMU models) would be in the master model.

This way it would be possible to do tight coupling of FMU for model exchange from a OM master model.

For example:

model Master

    FMU_Model1_me_FMU model1;        // Loaded from FMU_Model1_me_FMU.mo

    FMU_Model2_me_FMU model2;        // Loaded from FMU_Model2_me_FMU.mo



equation

    model1.out = model2.in;

end Master;

However translateModelFMU():
- does not permit partial models
- does not permit models with less equations than unknowns

Best regards
Koldo

The paper "A Generic FMU Interface for Modelica" by Wuzhu Chen, Michaela Huhn and Peter Fritzson, published in the 4th International Workshop on Equation-Based Object-Oriented Modeling Languages and Tools. September, 2011, explains:

- how to load two samples of a FMU in OpenModelica: It does not work . It is like OpenModelica does not consider replaceable keyword generating an FMU.
This model hangs simulate():

model FMUMultipleInstance

    BouncingBall_me_FMU model1, model2;

end FMUMultipleInstance;



model BouncingBall_me_FMU

...

- how to load an FMU and mix it with other equations: This works very well . For example:

model FMUMultipleInstance

    BouncingBall_me_FMU model1;

    Real myVar;

    

equation

    der(myVar) = model1.h + 1;

end FMUMultipleInstance;



model BouncingBall_me_FMU

...

Moved to https://www.openmodelica.org/index.php/ … pic?id=951