Environment - simulationEnvironment: startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./Buildings_11_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow -abortSlowSimulation -alarm=400 -s gbode -emit_protected -lv LOG_STATS LOG_STDOUT | warning | Numerical Jacobians without coloring are currently not supported by GBODE. 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/Buildings 11.1.0-maint.11.x/Fluid/HeatExchangers/BaseClasses/PartialEffectivenessNTU.mo:180:5-189:38:writable] | | | | The following assertion has been violated at time 1998.720000 | | | | ((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 | gbode (single-rate integration): esdirk4 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.00644589s reading init.xml | | | | | | 0.000556734s reading info.xml | | | | | | 0.000509024s [ 2.0%] pre-initialization | | | | | | 0.000122891s [ 0.5%] initialization | | | | | | 2.4236e-05s [ 0.1%] steps | | | | | | 0s [ 0.0%] solver (excl. callbacks) | | | | | | 0.00086918s [ 3.5%] creating output-file | | | | | | -7.76226e-21s [ -0.0%] event-handling | | | | | | 0.00290805s [ 11.7%] overhead | | | | | | 0.0204656s [ 82.2%] simulation | | | | | | 0.0249003s [100.0%] total | | | | | events | | | | | | 5 state events | | | | | | 0 time events | | | | | solver: gbode | | | | | | 786 steps taken | | | | | | 14107 calls of functionODE | | | | | | 256 evaluations of jacobian | | | | | | 51 error test failures | | | | | | 0 convergence test failures | | | | | | 0s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.