python3 -m fmpy simulate  --output-file AixLib_AixLib.Fluid.HeatExchangers.Examples.WaterHeater_u_res.csv --start-time 0 --stop-time 172800 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 69.12 AixLib_AixLib_Fluid_HeatExchangers_Examples_WaterHeater_u.fmu