Environment - simulationEnvironment: startTime=1.5552e+07 stopTime=1.57248e+07 tolerance=1e-06 numberOfIntervals=2500 stepSize=69.12 Regular simulation: ./Buildings_latest_Buildings.Fluid.HeatExchangers.CoolingTowers.Examples.Merkel -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS LOG_STDOUT | warning | Internal Numerical Jacobians without coloring are currently not supported by IDA with KLU. Colored numerical Jacobian will be used. LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:417:3-427:39:writable] | | | | The following assertion has been violated during initialization at time 15552000.000000 | | | | ((not (pum.per.etaHydMet == Buildings.Fluid.Movers.BaseClasses.Types.HydraulicEfficiencyMethod.Power_VolumeFlowRate or pum.per.etaHydMet == Buildings.Fluid.Movers.BaseClasses.Types.HydraulicEfficiencyMethod.EulerNumber))) --> "*** Warning in Merkel.pum: Mover has per.etaHydMet=.Power_VolumeFlowRate or per.etaHydMet=.EulerNumber. | | | | This requires per.pressure to be provided. | | | | Because it is not, the model overrides this setting by using per.etaHydMet=.NotProvided. | | | | Also consider using models under Movers.Preconfigured which autopopulate a pressure curve." LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:429:3-439:39:writable] | | | | The following assertion has been violated during initialization at time 15552000.000000 | | | | ((pum.per.haveWMot_nominal or not (pum.per.etaMotMet == Buildings.Fluid.Movers.BaseClasses.Types.MotorEfficiencyMethod.Efficiency_MotorPartLoadRatio or pum.per.etaMotMet == Buildings.Fluid.Movers.BaseClasses.Types.MotorEfficiencyMethod.GenericCurve))) --> "*** Warning in Merkel.pum: Mover has per.etaMotMet=.Efficiency_MotorPartLoadRatio or per.etaMotMet=.GenericCurve. | | | | This requires per.WMot_nominal or per.pressure to be provided. Because neither is provided, | | | | the model overrides this setting and by using per.etaMotMet=.NotProvided. | | | | Also consider using models under Movers.Preconfigured which autopopulate a pressure curve." LOG_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_STDOUT | info | ##IDA## -4 error occurred at time = 15554825.1558281 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 1.55548e+07 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0146024s reading init.xml | | | | | | 0.00168779s reading info.xml | | | | | | 0.000664547s [ 1.6%] pre-initialization | | | | | | 0.0314301s [ 75.0%] initialization | | | | | | 0.00243339s [ 5.8%] steps | | | | | | 0.0343497s [ 81.9%] solver (excl. callbacks) | | | | | | 0.000440936s [ 1.1%] creating output-file | | | | | | 0.000258031s [ 0.6%] event-handling | | | | | | 0.000274168s [ 0.7%] overhead | | | | | | -0.0279178s [-66.6%] simulation | | | | | | 0.041933s [100.0%] total | | | | | events | | | | | | 2 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 1190 steps taken | | | | | | 1761 calls of functionODE | | | | | | 205 evaluations of jacobian | | | | | | 74 error test failures | | | | | | 10 convergence test failures | | | | | | 0.00303743s time of jacobian evaluation