Environment - simulationEnvironment: startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./BuildSysPro_BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow -abortSlowSimulation -alarm=480 -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_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/IBPSA/Fluid/HeatExchangers/BaseClasses/PartialEffectivenessNTU.mo:180:5-189:38:writable] | | | | The following assertion has been violated at time 2160.000000 | | | | ((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 | | | | | | 0.00892375s reading init.xml | | | | | | 0.000979928s reading info.xml | | | | | | 0.000195868s [ 0.5%] pre-initialization | | | | | | 0.000230512s [ 0.6%] initialization | | | | | | 3.196e-06s [ 0.0%] steps | | | | | | 0.00399425s [ 9.7%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.00041389s [ 1.0%] event-handling | | | | | | 0.0152902s [ 37.1%] overhead | | | | | | 0.0210678s [ 51.1%] simulation | | | | | | 0.0411958s [100.0%] total | | | | | events | | | | | | 5 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 591 steps taken | | | | | | 880 calls of functionODE | | | | | | 193 evaluations of jacobian | | | | | | 47 error test failures | | | | | | 0 convergence test failures | | | | | | 0.000525599s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.