Environment - simulationEnvironment: startTime=0 stopTime=100 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.04 Regular simulation: ./IDEAS_IDEAS.Fluid.Actuators.Valves.Simplified.Examples.ThreeWayValveSwitch -abortSlowSimulation -alarm=480 -lv LOG_STATS 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 | | | | ((pumpEmission.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." LOG_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.00681055s reading init.xml | | | | | | 0.000622988s reading info.xml | | | | | | 0.000119985s [ 0.7%] pre-initialization | | | | | | 0.000233157s [ 1.3%] initialization | | | | | | 6.422e-06s [ 0.0%] steps | | | | | | 0.00177159s [ 9.6%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.000835625s [ 4.5%] event-handling | | | | | | 0.00502874s [ 27.4%] overhead | | | | | | 0.0103715s [ 56.5%] simulation | | | | | | 0.018367s [100.0%] total | | | | | events | | | | | | 20 state events | | | | | | 0 time events | | | | | solver: dassl | | | | | | 1407 steps taken | | | | | | 1752 calls of functionODE | | | | | | 338 evaluations of jacobian | | | | | | 23 error test failures | | | | | | 0 convergence test failures | | | | | | 0.000410683s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.