Environment - simulationEnvironment: startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./BuildingSystems_BuildingSystems.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow -abortSlowSimulation -alarm=480 -s cvode -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/BaseClasses/PartialEffectivenessNTU.mo:180:5-189:38: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 DryCoilEffectivenessNTUMassFlow.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 | | | | | | 0.00496037s reading init.xml | | | | | | 0.000426039s reading info.xml | | | | | | 0.000118212s [ 0.5%] pre-initialization | | | | | | 0.000100399s [ 0.4%] initialization | | | | | | 2.926e-06s [ 0.0%] steps | | | | | | 0.00480803s [ 18.9%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 2.68007e-22s [ 0.0%] event-handling | | | | | | 0.00421204s [ 16.5%] overhead | | | | | | 0.0160896s [ 63.1%] simulation | | | | | | 0.0254992s [100.0%] total | | | | | events | | | | | | 5 state events | | | | | | 0 time events | | | | | solver: cvode | | | | | | 6769 steps taken | | | | | | 6901 calls of functionODE | | | | | | 124 evaluations of jacobian | | | | | | 17 error test failures | | | | | | 0 convergence test failures | | | | | | 0s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.