Environment - simulationEnvironment:
startTime=0
stopTime=3600
tolerance=1e-06
numberOfIntervals=2500
stepSize=1.44
Regular simulation: ./Buildings_13_Buildings.Fluid.DXSystems.Cooling.WaterSource.Examples.VariableSpeed -abortSlowSimulation -alarm=240  -lv LOG_STATS
LOG_STDOUT        | warning | Numerical Jacobians without coloring are currently not supported by GBODE. Colored numerical Jacobian will be used.
LOG_NLS           | error   | residualFunc355: Iteration variable `der(varSpeDX.eva.watVapEva.m)` is -nan.
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   | residualFunc355: Iteration variable `varSpeDX.eva.watVapEva.mEva_flow` is -inf.
LOG_NLS           | error   | residualFunc355: Iteration variable `der(varSpeDX.eva.watVapEva.m)` is -nan.
LOG_NLS           | error   | residualFunc355: Iteration variable `der(varSpeDX.eva.watVapEva.m)` is -nan.
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/Fluid/DXSystems/Cooling/BaseClasses/Functions/warnIfPerformanceOutOfBounds.mo:18:3-24:36:writable]
|                 | |       | *** Warning: DX coil performance curves at nominal conditions are outside of bounds.
|                 | |       |              EIR as a function of temperature  is outside of bounds 0.9 to 1.1.
|                 | |       |              The value of the curve fit is 1.17606
|                 | |       |              Check the coefficients of the function sta[1].perCur.EIRFunT.
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 0.000000
|                 | |       | ((varSpeDX.eva.watVapEva.nomVal.gamma <= varSpeDX.eva.watVapEva.gammaMax)) --> "*** Warning: In DX coil model, gamma is too large for these coil conditions.
|                 | |       |     Instead of gamma = 1.5, a value of 0.393653, 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 = 0.00969167 - 0.0102426 = -0.00055089
|                 | |       |     QLat_flow_nominal  = -4200
|                 | |       | "
LOG_SUCCESS       | info    | The initialization finished successfully with 3 homotopy steps.
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/Fluid/DXSystems/Cooling/BaseClasses/Evaporation.mo:59:3-62:61:writable]
|                 | |       | The following assertion has been violated at time 119.520000
|                 | |       | ((varSpeDX.eva.watVapEva.m >= 0.0)) --> "Variable violating min constraint: 0.0 <= varSpeDX.eva.watVapEva.m, has value: -6.44171e-27"
LOG_NLS           | error   | residualFunc489: Iteration variable `der(varSpeDX.eva.watVapEva.m)` is -nan.
LOG_STDOUT        | warning | While solving non-linear system an assertion failed at time 937.5.
|                 | |       | | 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    | gbode (single-rate integration): radauIIA3
LOG_STATS         | info    | ### STATISTICS ###
|                 | |       | | timer
|                 | |       | | |    0.0109231s          reading init.xml
|                 | |       | | |   0.00105391s          reading info.xml
|                 | |       | | |  0.000145063s [  1.0%] pre-initialization
|                 | |       | | |  0.000414269s [  2.7%] initialization
|                 | |       | | |    6.713e-06s [  0.0%] steps
|                 | |       | | |            0s [  0.0%] solver (excl. callbacks)
|                 | |       | | |            0s [  0.0%] creating output-file
|                 | |       | | |  0.000295318s [  1.9%] event-handling
|                 | |       | | |   0.00125417s [  8.2%] overhead
|                 | |       | | |    0.0131205s [ 86.1%] simulation
|                 | |       | | |     0.015236s [100.0%] total
|                 | |       | | events
|                 | |       | | |     1 state events
|                 | |       | | |     6 time events
|                 | |       | | solver: gbode
|                 | |       | | |    54 steps taken
|                 | |       | | |   199 calls of functionODE
|                 | |       | | |     8 evaluations of jacobian
|                 | |       | | |     0 error test failures
|                 | |       | | |     0 convergence test failures
|                 | |       | | | 2.2272e-05s time of jacobian evaluation
LOG_SUCCESS       | info    | The simulation finished successfully.