startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./Buildings_8_Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Examples.MultiStage -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 <= mulStaDX.eva.m, has value: -3.10146 assert | warning | The following assertion has been violated during initialization at time 0.000000 | | | | mulStaDX.eva.nomVal.gamma <= mulStaDX.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 | | | | mulStaDX.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 | | | | | | 0.0220574s reading init.xml | | | | | | 0.00308659s reading info.xml | | | | | | 0.000125405s [ 0.2%] pre-initialization | | | | | | 0.000604134s [ 1.0%] initialization | | | | | | 8.336e-06s [ 0.0%] steps | | | | | | 0.00157795s [ 2.6%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.0013323s [ 2.2%] event-handling | | | | | | 0.00625069s [ 10.4%] overhead | | | | | | 0.0503593s [ 83.6%] simulation | | | | | | 0.0602581s [100.0%] total | | | | | events | | | | | | 7 state events | | | | | | 0 time events | | | | | solver: dassl | | | | | | 416 steps taken | | | | | | 532 calls of functionODE | | | | | | 140 evaluations of jacobian | | | | | | 9 error test failures | | | | | | 0 convergence test failures | | | | | | 0.00183974s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.