Environment - simulationEnvironment: startTime=0 stopTime=7200 tolerance=1e-06 numberOfIntervals=2500 stepSize=2.88 Regular simulation: ./Buildings_11_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.EvaporationPulse -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS LOG_NLS | error | residualFunc43: Iteration variable `der(evaSho.m)` is inf or nan. LOG_ASSERT | debug | residualFunc43 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 | residualFunc83: Iteration variable `der(evaNor.m)` is inf or nan. LOG_ASSERT | debug | residualFunc83 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_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/Fluid/DXSystems/Cooling/BaseClasses/Evaporation.mo:185:3-194:27:writable] | | | | The following assertion has been violated during initialization at time 0.000000 | | | | ((evaSho.nomVal.gamma <= evaSho.gammaMax)) --> "*** Warning: In DX coil model, gamma is too large for these coil conditions. | | | | Instead of gamma = 1.5, a value of 1.00359, which | | | | corresponds to a mass transfer effectiveness of 0.8, will be used. | | | | Coil nominal performance data are: | | | | nomVal.m_flow_nominal = 0.497018 | | | | dX_nominal = XEvaOut_nominal-XEvaWetBulOut_nominal = 0.00614376 - 0.00715296 = -0.0010092 | | | | QLat_flow_nominal = -1000 | | | | " LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/Fluid/DXSystems/Cooling/BaseClasses/Evaporation.mo:185:3-194:27:writable] | | | | The following assertion has been violated during initialization at time 0.000000 | | | | ((evaNor.nomVal.gamma <= evaNor.gammaMax)) --> "*** Warning: In DX coil model, gamma is too large for these coil conditions. | | | | Instead of gamma = 1.5, a value of 1.00359, which | | | | corresponds to a mass transfer effectiveness of 0.8, will be used. | | | | Coil nominal performance data are: | | | | nomVal.m_flow_nominal = 0.497018 | | | | dX_nominal = XEvaOut_nominal-XEvaWetBulOut_nominal = 0.00614376 - 0.00715296 = -0.0010092 | | | | QLat_flow_nominal = -1000 | | | | " LOG_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.00179834s reading init.xml | | | | | | 0.00021861s reading info.xml | | | | | | 0.000246122s [ 1.2%] pre-initialization | | | | | | 0.000383058s [ 1.8%] initialization | | | | | | 3.714e-05s [ 0.2%] steps | | | | | | 0.000808368s [ 3.8%] solver (excl. callbacks) | | | | | | 0.000679704s [ 3.2%] creating output-file | | | | | | 0.000818141s [ 3.9%] event-handling | | | | | | 0.00114515s [ 5.4%] overhead | | | | | | 0.0170296s [ 80.5%] simulation | | | | | | 0.0211473s [100.0%] total | | | | | events | | | | | | 10 state events | | | | | | 0 time events | | | | | solver: dassl | | | | | | 356 steps taken | | | | | | 453 calls of functionODE | | | | | | 146 evaluations of jacobian | | | | | | 9 error test failures | | | | | | 0 convergence test failures | | | | | | 0.000630625s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.