Environment - simulationEnvironment: startTime=1.58112e+07 stopTime=1.6416e+07 tolerance=1e-06 numberOfIntervals=2500 stepSize=241.92 Regular simulation: ./Buildings_13_Buildings.Fluid.DXSystems.Cooling.AirSource.Examples.SpaceCooling -abortSlowSimulation -alarm=240 -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 13.0.2-maint.13.x/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:391:3-398:39:writable] | | | | The following assertion has been violated during initialization at time 15811200.000000 | | | | ((fan.nominalValuesDefineDefaultPressureCurve)) --> "*** Warning in SpaceCooling.fan: Mover is flow or pressure controlled and uses default pressure curve. | | | | This leads to an approximate power consumption. | | | | Set nominalValuesDefineDefaultPressureCurve=true to suppress this warning." LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:391:3-398:39:writable] | | | | The following assertion has been violated during initialization at time 15811200.000000 | | | | ((fan1.nominalValuesDefineDefaultPressureCurve)) --> "*** Warning in SpaceCooling.fan1: Mover is flow or pressure controlled and uses default pressure curve. | | | | This leads to an approximate power consumption. | | | | Set nominalValuesDefineDefaultPressureCurve=true to suppress this warning." LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:391:3-398:39:writable] | | | | The following assertion has been violated during initialization at time 15811200.000000 | | | | ((fan2.nominalValuesDefineDefaultPressureCurve)) --> "*** Warning in SpaceCooling.fan2: Mover is flow or pressure controlled and uses default pressure curve. | | | | This leads to an approximate power consumption. | | | | Set nominalValuesDefineDefaultPressureCurve=true to suppress this warning." LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/Fluid/DXSystems/Cooling/BaseClasses/Evaporation.mo:185:3-194:27:writable] | | | | The following assertion has been violated during initialization at time 15811200.000000 | | | | ((varSpeDX.watVapEva.nomVal.gamma <= varSpeDX.watVapEva.gammaMax)) --> "*** Warning: In DX coil model, gamma is too large for these coil conditions. | | | | Instead of gamma = 1.5, a value of 0.52681, which | | | | corresponds to a mass transfer effectiveness of 0.8, will be used. | | | | Coil nominal performance data are: | | | | nomVal.m_flow_nominal = 0.646123 | | | | dX_nominal = XEvaOut_nominal-XEvaWetBulOut_nominal = 0.00528111 - 0.00637893 = -0.00109782 | | | | QLat_flow_nominal = -2694 | | | | " LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/Fluid/DXSystems/Cooling/BaseClasses/Evaporation.mo:185:3-194:27:writable] | | | | The following assertion has been violated during initialization at time 15811200.000000 | | | | ((mulStaDX.watVapEva.nomVal.gamma <= mulStaDX.watVapEva.gammaMax)) --> "*** Warning: In DX coil model, gamma is too large for these coil conditions. | | | | Instead of gamma = 1.5, a value of 0.52681, which | | | | corresponds to a mass transfer effectiveness of 0.8, will be used. | | | | Coil nominal performance data are: | | | | nomVal.m_flow_nominal = 0.646123 | | | | dX_nominal = XEvaOut_nominal-XEvaWetBulOut_nominal = 0.00528111 - 0.00637893 = -0.00109782 | | | | QLat_flow_nominal = -2694 | | | | " LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/Fluid/DXSystems/Cooling/BaseClasses/Evaporation.mo:185:3-194:27:writable] | | | | The following assertion has been violated during initialization at time 15811200.000000 | | | | ((sinSpeDX.watVapEva.nomVal.gamma <= sinSpeDX.watVapEva.gammaMax)) --> "*** Warning: In DX coil model, gamma is too large for these coil conditions. | | | | Instead of gamma = 1.5, a value of 0.52681, which | | | | corresponds to a mass transfer effectiveness of 0.8, will be used. | | | | Coil nominal performance data are: | | | | nomVal.m_flow_nominal = 0.646123 | | | | dX_nominal = XEvaOut_nominal-XEvaWetBulOut_nominal = 0.00528111 - 0.00637893 = -0.00109782 | | | | QLat_flow_nominal = -2694 | | | | " LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_STDOUT | info | ##IDA## -4 error occurred at time = 15811200.0005708 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 1.58112e+07 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0s reading init.xml | | | | | | 0s reading info.xml | | | | | | 0.000109797s [ 0.4%] pre-initialization | | | | | | 0.0220391s [ 87.9%] initialization | | | | | | 0s [ 0.0%] steps | | | | | | 0.000439142s [ 1.8%] solver (excl. callbacks) | | | | | | 4.789e-06s [ 0.0%] creating output-file | | | | | | 0s [ 0.0%] event-handling | | | | | | 0s [ 0.0%] overhead | | | | | | 0.00248775s [ 9.9%] simulation | | | | | | 0.0250806s [100.0%] total | | | | | events | | | | | | 0 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 18 steps taken | | | | | | 67 calls of functionODE | | | | | | 31 evaluations of jacobian | | | | | | 3 error test failures | | | | | | 13 convergence test failures | | | | | | 0.00233786s time of jacobian evaluation