startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./Buildings_maint.8.0.x_Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Examples.VariableSpeed -abortSlowSimulation -alarm=480 -lv LOG_STATS assert | warning | The following assertion has been violated at time 0.000000 | | | | false assert | warning | Nominal variable violating min constraint: 0.0 <= varSpeDX.eva.m, has value: -3.10146 assert | warning | The following assertion has been violated during initialization at time 0.000000 | | | | varSpeDX.eva.nomVal.gamma <= varSpeDX.eva.gammaMax assert | warning | *** 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 assert | warning | The following assertion has been violated during initialization at time 0.000000 | | | | varSpeDX.eva.dX_nominal > 1e-10 assert | warning | *** 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_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.02158s reading init.xml | | | | | | 0.00260163s reading info.xml | | | | | | 0.000108284s [ 0.1%] pre-initialization | | | | | | 0.000577002s [ 0.7%] initialization | | | | | | 1.2543e-05s [ 0.0%] steps | | | | | | 0.00153855s [ 1.8%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.000786807s [ 0.9%] event-handling | | | | | | 0.00610614s [ 7.0%] overhead | | | | | | 0.077517s [ 89.5%] simulation | | | | | | 0.0866463s [100.0%] total | | | | | events | | | | | | 7 state events | | | | | | 0 time events | | | | | solver: dassl | | | | | | 374 steps taken | | | | | | 506 calls of functionODE | | | | | | 146 evaluations of jacobian | | | | | | 17 error test failures | | | | | | 0 convergence test failures | | | | | | 0.00365146s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.