I am currently working on a two zone combustion model in OpenModelica and I want to simulate the loop presented in the next picture volume calculation. With this way OpenModelica always gives me singu...

I'm using PyFMI.master to do co-simulation and the FMUs are compiled by JModelica. However, PyFMI.master said that "UserWarning: The model, room_interface_3, does not support directional derivati...