Environment - simulationEnvironment:
startTime=0
stopTime=3600
tolerance=1e-06
numberOfIntervals=2500
stepSize=1.44
Regular simulation: ./Buildings_8_Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Examples.SingleSpeed  -abortSlowSimulation -alarm=480 -lv LOG_STATS
LOG_NLS           | error   | residualFunc318: Iteration variable xloc[3] is nan.
LOG_ASSERT        | debug   | residualFunc318 failed at time=0.
|                 | |       | For more information please use -lv LOG_NLS.
LOG_STDOUT        | warning | While solving non-linear system an assertion failed during initialization.
|                 | |       | | The non-linear solver tries to solve the problem that could take some time.
|                 | |       | | It could help to provide better start-values for the iteration variables.
|                 | |       | | For more information simulate with -lv LOG_NLS_V
LOG_NLS           | error   | residualFunc318: Iteration variable xloc[5] is nan.
LOG_ASSERT        | debug   | residualFunc318 failed at time=0.
|                 | |       | For more information please use -lv LOG_NLS.
LOG_NLS           | error   | residualFunc318: Iteration variable xloc[3] is nan.
LOG_ASSERT        | debug   | residualFunc318 failed at time=0.
|                 | |       | For more information please use -lv LOG_NLS.
LOG_NLS           | error   | residualFunc318: Iteration variable xloc[3] is nan.
LOG_ASSERT        | debug   | residualFunc318 failed at time=0.
|                 | |       | For more information please use -lv LOG_NLS.
LOG_NLS           | error   | residualFunc318: Iteration variable xloc[3] is nan.
LOG_ASSERT        | debug   | residualFunc318 failed at time=0.
|                 | |       | For more information please use -lv LOG_NLS.
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/HeatExchangers/DXCoils/BaseClasses/Evaporation.mo:187:3-196:27:writable]
|                 | |       | The following assertion has been violated during initialization at time 0.000000
|                 | |       | ((sinSpeDX.eva.nomVal.gamma <= sinSpeDX.eva.gammaMax)) --> "*** Warning: In DX coil model, gamma is too large for these coil conditions.
|                 | |       |     Instead of gamma = 1.5, a value of 0.358498, which
|                 | |       |     corresponds to a mass transfer effectiveness of 0.8, will be used.
|                 | |       |     Coil nominal performance data are:
|                 | |       |     nomVal.m_flow_nominal = 1.5
|                 | |       |     dX_nominal = XEvaOut_nominal-XEvaWetBulOut_nominal = 0.00582868 - 0.00633038 = -0.000501693
|                 | |       |     QLat_flow_nominal  = -4200
|                 | |       | "
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/HeatExchangers/DXCoils/BaseClasses/Evaporation.mo:173:3-181:28:writable]
|                 | |       | The following assertion has been violated during initialization at time 0.000000
|                 | |       | ((sinSpeDX.eva.dX_nominal > 1e-10)) --> "*** Warning: In DX coil model, dX_nominal = -0.000501693
|                 | |       |     This means that the coil is not dehumidifying air at the nominal conditions.
|                 | |       |     Check nominal parameters.
|                 | |       |     Nominal values:
|                 | |       |     Q_flow_nominal = -21000
|                 | |       |     COP_nominal    = 3
|                 | |       |     m_flow_nominal = 1.5
|                 | |       |     TEvaIn_nominal = 292.55 (= 19.4 degC)
|                 | |       |     TConIn_nominal = 308.15 (= 35 degC)
|                 | |       |     phiIn_nominal  = 0.5
|                 | |       |     tWet           = 1400
|                 | |       |     gamma          = 1.5
|                 | |       |     p_nominal      = 101325
|                 | |       | "
LOG_SUCCESS       | info    | The initialization finished successfully with 3 homotopy steps.
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/HeatExchangers/DXCoils/BaseClasses/Evaporation.mo:59:3-60:49:writable]
|                 | |       | The following assertion has been violated at time 0.720000
|                 | |       | ((sinSpeDX.eva.m >= 0.0)) --> "Variable violating min constraint: 0.0 <= sinSpeDX.eva.m, has value: -6.26382e-26"
LOG_NLS           | error   | residualFunc453: Iteration variable xloc[6] is nan.
LOG_ASSERT        | debug   | residualFunc453 failed at time=604.920643398608.
|                 | |       | For more information please use -lv LOG_NLS.
LOG_STDOUT        | warning | While solving non-linear system an assertion failed at time 604.921.
|                 | |       | | The non-linear solver tries to solve the problem that could take some time.
|                 | |       | | It could help to provide better start-values for the iteration variables.
|                 | |       | | For more information simulate with -lv LOG_NLS_V
LOG_NLS           | error   | residualFunc453: Iteration variable xloc[6] is nan.
LOG_ASSERT        | debug   | residualFunc453 failed at time=604.882508273046.
|                 | |       | For more information please use -lv LOG_NLS.
LOG_STDOUT        | warning | While solving non-linear system an assertion failed at time 604.883.
|                 | |       | | The non-linear solver tries to solve the problem that could take some time.
|                 | |       | | It could help to provide better start-values for the iteration variables.
|                 | |       | | For more information simulate with -lv LOG_NLS_V
LOG_STATS         | info    | ### STATISTICS ###
|                 | |       | | timer
|                 | |       | | |   0.00934122s          reading init.xml
|                 | |       | | |   0.00091217s          reading info.xml
|                 | |       | | |   9.4016e-05s [  0.2%] pre-initialization
|                 | |       | | |  0.000482305s [  1.2%] initialization
|                 | |       | | |    5.099e-06s [  0.0%] steps
|                 | |       | | |   0.00118791s [  2.8%] solver (excl. callbacks)
|                 | |       | | |            0s [  0.0%] creating output-file
|                 | |       | | |   0.00055904s [  1.3%] event-handling
|                 | |       | | |   0.00528478s [ 12.6%] overhead
|                 | |       | | |    0.0342044s [ 81.8%] simulation
|                 | |       | | |    0.0418176s [100.0%] total
|                 | |       | | events
|                 | |       | | |     4 state events
|                 | |       | | |     0 time events
|                 | |       | | solver: dassl
|                 | |       | | |   321 steps taken
|                 | |       | | |   445 calls of functionODE
|                 | |       | | |    96 evaluations of jacobian
|                 | |       | | |    16 error test failures
|                 | |       | | |     0 convergence test failures
|                 | |       | | | 0.000973295s time of jacobian evaluation
LOG_SUCCESS       | info    | The simulation finished successfully.