Environment - simulationEnvironment: startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./Buildings_8_Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Examples.VariableSpeed -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_NLS | error | residualFunc502: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc502 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 | residualFunc502: Iteration variable xloc[5] is nan. LOG_ASSERT | debug | residualFunc502 failed at time=0. | | | | For more information please use -lv LOG_NLS. LOG_NLS | error | residualFunc502: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc502 failed at time=0. | | | | For more information please use -lv LOG_NLS. LOG_NLS | error | residualFunc502: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc502 failed at time=0. | | | | For more information please use -lv LOG_NLS. LOG_NLS | error | residualFunc502: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc502 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 | | | | ((varSpeDX.eva.nomVal.gamma <= varSpeDX.eva.gammaMax)) --> "*** Warning: In DX coil model, gamma is too large for these coil conditions. | | | | Instead of gamma = 1.5, a value of 0.109645, which | | | | corresponds to a mass transfer effectiveness of 0.8, will be used. | | | | Coil nominal performance data are: | | | | nomVal.m_flow_nominal = 1.8 | | | | dX_nominal = XEvaOut_nominal-XEvaWetBulOut_nominal = 0.00561544 - 0.0057981 = -0.000182667 | | | | QLat_flow_nominal = -6000 | | | | " 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 | | | | ((varSpeDX.eva.dX_nominal > 1e-10)) --> "*** Warning: In DX coil model, dX_nominal = -0.000182667 | | | | This means that the coil is not dehumidifying air at the nominal conditions. | | | | Check nominal parameters. | | | | Nominal values: | | | | Q_flow_nominal = -30000 | | | | COP_nominal = 3 | | | | m_flow_nominal = 1.8 | | | | 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 | | | | ((varSpeDX.eva.m >= 0.0)) --> "Variable violating min constraint: 0.0 <= varSpeDX.eva.m, has value: -6.26382e-26" LOG_NLS | error | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=100.00504001874. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 100.005. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=100.00504001874. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 100.005. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=100.01016001746. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 100.01. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=100.01016001746. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 100.01. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=100.0204000149. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 100.02. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=100.04088000978. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 100.041. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=100.04088000978. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 100.041. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=100.08183999954. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 100.082. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=100.08183999954. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 100.082. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=100.16375997906. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 100.164. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=100.327599938099. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 100.328. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=100.327599938099. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 100.328. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=101.310639692333. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 101.311. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=101.310639692333. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 101.311. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=101.310639692333. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 101.311. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=102.621359364646. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 102.621. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=102.621359364646. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 102.621. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=102.621359364646. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 102.621. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=103.801007069728. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 103.801. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=104.98065477481. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 104.981. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=104.4. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 104.4. | | | | | 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 | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/HeatExchangers/DXCoils/BaseClasses/Evaporation.mo:110:3-111:72:writable] | | | | The following assertion has been violated at time 104.400000 | | | | ((varSpeDX.eva.dX >= -1.0 and varSpeDX.eva.dX <= 0.0)) --> "Variable violating min/max constraint: -1.0 <= varSpeDX.eva.dX <= 0.0, has value: 1.83671e-40" LOG_NLS | error | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=105.84. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 105.84. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=108.16570357853. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 108.166. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=107.28. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 107.28. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=111.350752382251. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 111.351. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=109.44. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 109.44. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=112.32. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 112.32. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=114.48. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 114.48. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=116.64. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 116.64. | | | | | 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 | residualFunc730: Iteration variable xloc[3] is nan. LOG_ASSERT | debug | residualFunc730 failed at time=119.52. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 119.52. | | | | | 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 | | | | | | 0.0212808s reading init.xml | | | | | | 0.0021071s reading info.xml | | | | | | 0.000115016s [ 0.1%] pre-initialization | | | | | | 0.000771106s [ 0.7%] initialization | | | | | | 1.2704e-05s [ 0.0%] steps | | | | | | 0.00176121s [ 1.7%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.0010495s [ 1.0%] event-handling | | | | | | 0.00827881s [ 8.0%] overhead | | | | | | 0.091157s [ 88.4%] simulation | | | | | | 0.103145s [100.0%] total | | | | | events | | | | | | 9 state events | | | | | | 0 time events | | | | | solver: dassl | | | | | | 365 steps taken | | | | | | 479 calls of functionODE | | | | | | 142 evaluations of jacobian | | | | | | 12 error test failures | | | | | | 0 convergence test failures | | | | | | 0.00356592s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.