python3 -m fmpy simulate --output-file IDEAS_IDEAS.Fluid.Actuators.Valves.Simplified.Examples.ThreeWayValveMotor_res.csv --start-time 0 --stop-time 100 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.04 IDEAS_IDEAS_Fluid_Actuators_Valves_Simplified_Examples_ThreeWayValveMotor.fmu LOG_STDOUT | info | | | | | Warning: | | | | ======== | | | | It is recommended that the volume flow rate versus pressure relation | | | | of the fan or pump satisfies the minimum decrease condition | | | | | | | | (per.pressure.dp[i+1]-per.pressure.dp[i]) | | | | d[i] = ------------------------------------------------- < -0 | | | | (per.pressure.V_flow[i+1]-per.pressure.V_flow[i]) | | | | | | | | is | | | | d[1]=0 | | | | | | | | Otherwise, a solution to the equations may not exist if the fan or pump speed is reduced. | | | | In this situation, the solver will fail due to non-convergence and | | | | the simulation stops. LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:348:3-357:39:writable] | | | | The following assertion has been violated during initialization at time 0.000000 | | | | ((pumpFlow1.nominalValuesDefineDefaultPressureCurve)) --> "*** Warning: You are using a flow or pressure controlled mover with the | | | | default pressure curve. | | | | This leads to approximate calculations of the electrical power | | | | consumption. Add the correct pressure curve in the record per | | | | to obtain an accurate computation. | | | | Setting nominalValuesDefineDefaultPressureCurve=true will suppress this warning."