Environment - simulationEnvironment: startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./BuildingSystems_BuildingSystems.Fluid.HeatExchangers.Examples.WetCoilEffectivenessNTUMassFlow -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Fluid/HeatExchangers/WetCoilEffectivenessNTU.mo:71:3-76:35:writable] | | | | The following assertion has been violated at time 1980.000000 | | | | ((hex.SHR >= 0.0 and hex.SHR <= 1.0)) --> "Variable violating min/max constraint: 0.0 <= hex.SHR <= 1.0, has value: -4.23764e-25" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Fluid/HeatExchangers/WetCoilEffectivenessNTU.mo:359:5-368:38:writable] | | | | The following assertion has been violated at time 1998.000000 | | | | ((noEvent(hex.m1_flow > (-0.1) * hex.m1_flow_nominal) and noEvent(hex.m2_flow > (-0.1) * hex.m2_flow_nominal))) --> "*** Warning in WetCoilEffectivenessNTUMassFlow.hex: The flow direction reversed. | | | | However, because the constant use_dynamicFlowRegime is set to false, | | | | the model does not change equations based on the actual flow regime. | | | | To switch equations based on the actual flow regime during the simulation, | | | | set the constant use_dynamicFlowRegime=true. | | | | Note that this can lead to slow simulation because of events." LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.00898986s reading init.xml | | | | | | 0.000887614s reading info.xml | | | | | | 7.6353e-05s [ 0.2%] pre-initialization | | | | | | 0.000270427s [ 0.6%] initialization | | | | | | 5.04e-06s [ 0.0%] steps | | | | | | 0.00128548s [ 2.8%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.000423881s [ 0.9%] event-handling | | | | | | 0.00777971s [ 17.1%] overhead | | | | | | 0.0356499s [ 78.4%] simulation | | | | | | 0.0454907s [100.0%] total | | | | | events | | | | | | 5 state events | | | | | | 0 time events | | | | | solver: dassl | | | | | | 623 steps taken | | | | | | 961 calls of functionODE | | | | | | 174 evaluations of jacobian | | | | | | 58 error test failures | | | | | | 0 convergence test failures | | | | | | 0.00112906s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.