Environment - simulationEnvironment: startTime=0 stopTime=86400 tolerance=1e-06 numberOfIntervals=2500 stepSize=34.56 Regular simulation: ./Buildings_8_Buildings.Fluid.HeatExchangers.DXCoils.WaterCooled.Validation.VariableSpeedEnergyPlus -abortSlowSimulation -alarm=480 -lv LOG_STATS 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.eva.nomVal.gamma <= varSpeDX.eva.eva.gammaMax)) --> "*** Warning: In DX coil model, gamma is too large for these coil conditions. | | | | Instead of gamma = 1.5, a value of 0.346977, which | | | | corresponds to a mass transfer effectiveness of 0.8, will be used. | | | | Coil nominal performance data are: | | | | nomVal.m_flow_nominal = 0.462462 | | | | dX_nominal = XEvaOut_nominal-XEvaWetBulOut_nominal = 0.00571197 - 0.00634552 = -0.000633544 | | | | QLat_flow_nominal = -1689.5 | | | | " 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.eva.dX_nominal > 1e-10)) --> "*** Warning: In DX coil model, dX_nominal = -0.000633544 | | | | This means that the coil is not dehumidifying air at the nominal conditions. | | | | Check nominal parameters. | | | | Nominal values: | | | | Q_flow_nominal = -6758 | | | | COP_nominal = 4 | | | | m_flow_nominal = 0.462462 | | | | TEvaIn_nominal = 292.59 (= 19.44 degC) | | | | TConIn_nominal = 302.55 (= 29.4 degC) | | | | phiIn_nominal = 0.5148 | | | | tWet = 1400 | | | | gamma = 1.5 | | | | p_nominal = 101325 | | | | " LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. assert | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Fluid/HeatExchangers/DXCoils/BaseClasses/PartialCoolingCapacity.mo:126:7-139:38:writable] | | | | The following assertion has been violated at time 25200.000003 | | | | ((not (varSpeDX.eva.dxCoo.TEvaIn > varSpeDX.eva.dxCoo.dryCoi.cooCap.sta[varSpeDX.eva.dxCoo.dryCoi.cooCap.stage].perCur.TEvaInMax or varSpeDX.eva.dxCoo.TEvaIn < varSpeDX.eva.dxCoo.dryCoi.cooCap.sta[varSpeDX.eva.dxCoo.dryCoi.cooCap.stage].perCur.TEvaInMin))) --> "*** Warning: Evaporator temperature TEvaIn is out of bounds in DX coil model at time = 25200. | | | | stage = 1 | | | | TEvaInMin = 283.15 Kelvin (10 degC) | | | | TEvaIn = 299.077 Kelvin (25.9269 degC) | | | | TEvaInMax = 298.75 Kelvin (25.6 degC) | | | | Extrapolation can introduce large errors. | | | | This warning will only be reported once for each stage." LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.072701s reading init.xml | | | | | | 0.00647267s reading info.xml | | | | | | 0.000192651s [ 0.1%] pre-initialization | | | | | | 0.00112026s [ 0.4%] initialization | | | | | | 0.000112772s [ 0.0%] steps | | | | | | 0.00485861s [ 1.6%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.00634614s [ 2.1%] event-handling | | | | | | 0.0160194s [ 5.3%] overhead | | | | | | 0.274195s [ 90.5%] simulation | | | | | | 0.302845s [100.0%] total | | | | | events | | | | | | 23 state events | | | | | | 24 time events | | | | | solver: dassl | | | | | | 1646 steps taken | | | | | | 1885 calls of functionODE | | | | | | 1263 evaluations of jacobian | | | | | | 6 error test failures | | | | | | 0 convergence test failures | | | | | | 0.0770245s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.