Environment - simulationEnvironment: startTime=1.58112e+07 stopTime=1.6416e+07 tolerance=1e-06 numberOfIntervals=2500 stepSize=241.92 Regular simulation: ./Buildings_8_Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Examples.SpaceCooling -abortSlowSimulation -alarm=480 -lv LOG_STATS assert | warning | The following assertion has been violated at time 15811200.000000 | | | | false assert | warning | Nominal variable violating min constraint: 0.0 <= sinSpeDX.eva.m, has value: -3.10146 assert | warning | The following assertion has been violated at time 15811200.000000 | | | | 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 at time 15811200.000000 | | | | 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 15811200.000000 | | | | fan.nominalValuesDefineDefaultPressureCurve assert | warning | *** Warning: You are using a flow or pressure controlled mover with the | | | | default pressure curve. | | | | This leads to approximate calculations of the electrical power | | | | consumption. Add the correct pressure curve in the record per | | | | to obtain an accurate computation. | | | | Setting nominalValuesDefineDefaultPressureCurve=true will suppress this warning. assert | warning | The following assertion has been violated during initialization at time 15811200.000000 | | | | fan1.nominalValuesDefineDefaultPressureCurve assert | warning | *** Warning: You are using a flow or pressure controlled mover with the | | | | default pressure curve. | | | | This leads to approximate calculations of the electrical power | | | | consumption. Add the correct pressure curve in the record per | | | | to obtain an accurate computation. | | | | Setting nominalValuesDefineDefaultPressureCurve=true will suppress this warning. assert | warning | The following assertion has been violated during initialization at time 15811200.000000 | | | | fan2.nominalValuesDefineDefaultPressureCurve assert | warning | *** Warning: You are using a flow or pressure controlled mover with the | | | | default pressure curve. | | | | This leads to approximate calculations of the electrical power | | | | consumption. Add the correct pressure curve in the record per | | | | to obtain an accurate computation. | | | | Setting nominalValuesDefineDefaultPressureCurve=true will suppress this warning. assert | warning | The following assertion has been violated during initialization at time 15811200.000000 | | | | 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 0.52681, which | | | | corresponds to a mass transfer effectiveness of 0.8, will be used. | | | | Coil nominal performance data are: | | | | nomVal.m_flow_nominal = 0.646123 | | | | dX_nominal = XEvaOut_nominal-XEvaWetBulOut_nominal = 0.00528111 - 0.00637893 = -0.00109782 | | | | QLat_flow_nominal = -2694 assert | warning | The following assertion has been violated during initialization at time 15811200.000000 | | | | varSpeDX.eva.dX_nominal > 1e-10 assert | warning | *** Warning: In DX coil model, dX_nominal = -0.00109782 | | | | This means that the coil is not dehumidifying air at the nominal conditions. | | | | Check nominal parameters. | | | | Nominal values: | | | | Q_flow_nominal = -8980 | | | | COP_nominal = 3 | | | | m_flow_nominal = 0.646123 | | | | 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 assert | warning | The following assertion has been violated during initialization at time 15811200.000000 | | | | 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 0.52681, which | | | | corresponds to a mass transfer effectiveness of 0.8, will be used. | | | | Coil nominal performance data are: | | | | nomVal.m_flow_nominal = 0.646123 | | | | dX_nominal = XEvaOut_nominal-XEvaWetBulOut_nominal = 0.00528111 - 0.00637893 = -0.00109782 | | | | QLat_flow_nominal = -2694 assert | warning | The following assertion has been violated during initialization at time 15811200.000000 | | | | mulStaDX.eva.dX_nominal > 1e-10 assert | warning | *** Warning: In DX coil model, dX_nominal = -0.00109782 | | | | This means that the coil is not dehumidifying air at the nominal conditions. | | | | Check nominal parameters. | | | | Nominal values: | | | | Q_flow_nominal = -8980 | | | | COP_nominal = 3 | | | | m_flow_nominal = 0.646123 | | | | 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 assert | warning | The following assertion has been violated during initialization at time 15811200.000000 | | | | sinSpeDX.eva.nomVal.gamma <= sinSpeDX.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 0.52681, which | | | | corresponds to a mass transfer effectiveness of 0.8, will be used. | | | | Coil nominal performance data are: | | | | nomVal.m_flow_nominal = 0.646123 | | | | dX_nominal = XEvaOut_nominal-XEvaWetBulOut_nominal = 0.00528111 - 0.00637893 = -0.00109782 | | | | QLat_flow_nominal = -2694 assert | warning | The following assertion has been violated during initialization at time 15811200.000000 | | | | sinSpeDX.eva.dX_nominal > 1e-10 assert | warning | *** Warning: In DX coil model, dX_nominal = -0.00109782 | | | | This means that the coil is not dehumidifying air at the nominal conditions. | | | | Check nominal parameters. | | | | Nominal values: | | | | Q_flow_nominal = -8980 | | | | COP_nominal = 3 | | | | m_flow_nominal = 0.646123 | | | | 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. assert | info | The following assertion has been violated at time 15847970.396988 | | | | not (weaBus.TDryBul > mulStaDX.dxCoo.wetCoi.cooCap.sta[mulStaDX.dxCoo.wetCoi.cooCap.stage].perCur.TConInMax or weaBus.TDryBul < mulStaDX.dxCoo.wetCoi.cooCap.sta[mulStaDX.dxCoo.wetCoi.cooCap.stage].perCur.TConInMin) assert | info | *** Warning: Condenser temperature TConIn is out of bounds in DX coil model at time = 1.5848e+07. | | | | stage = 2 | | | | TConInMin = 297.039 Kelvin (23.8889 degC) | | | | TConIn = 293.687 Kelvin (20.5374 degC) | | | | TConInMax = 319.261 Kelvin (46.1111 degC) | | | | Extrapolation can introduce large errors. | | | | This warning will only be reported once for each stage. assert | info | The following assertion has been violated at time 15847970.396988 | | | | not (weaBus.TDryBul > mulStaDX.dxCoo.dryCoi.cooCap.sta[mulStaDX.dxCoo.dryCoi.cooCap.stage].perCur.TConInMax or weaBus.TDryBul < mulStaDX.dxCoo.dryCoi.cooCap.sta[mulStaDX.dxCoo.dryCoi.cooCap.stage].perCur.TConInMin) assert | info | *** Warning: Condenser temperature TConIn is out of bounds in DX coil model at time = 1.5848e+07. | | | | stage = 2 | | | | TConInMin = 297.039 Kelvin (23.8889 degC) | | | | TConIn = 293.687 Kelvin (20.5374 degC) | | | | TConInMax = 319.261 Kelvin (46.1111 degC) | | | | Extrapolation can introduce large errors. | | | | This warning will only be reported once for each stage. assert | info | The following assertion has been violated at time 15849076.752940 | | | | not (sinSpeDX.dxCoo.TEvaIn > sinSpeDX.dxCoo.dryCoi.cooCap.sta[sinSpeDX.dxCoo.dryCoi.cooCap.stage].perCur.TEvaInMax or sinSpeDX.dxCoo.TEvaIn < sinSpeDX.dxCoo.dryCoi.cooCap.sta[sinSpeDX.dxCoo.dryCoi.cooCap.stage].perCur.TEvaInMin) assert | info | *** Warning: Evaporator temperature TEvaIn is out of bounds in DX coil model at time = 1.58491e+07. | | | | stage = 1 | | | | TEvaInMin = 285.928 Kelvin (12.7778 degC) | | | | TEvaIn = 297.06 Kelvin (23.9098 degC) | | | | TEvaInMax = 297.039 Kelvin (23.8889 degC) | | | | Extrapolation can introduce large errors. | | | | This warning will only be reported once for each stage. assert | info | The following assertion has been violated at time 16169538.132723 | | | | mulStaDX.eva.dX >= -1.0 and mulStaDX.eva.dX <= 0.0 assert | info | Variable violating min/max constraint: -1.0 <= mulStaDX.eva.dX <= 0.0, has value: 4.94802e-07 assert | info | The following assertion has been violated at time 16273425.161794 | | | | sinSpeDX.eva.dX >= -1.0 and sinSpeDX.eva.dX <= 0.0 assert | info | Variable violating min/max constraint: -1.0 <= sinSpeDX.eva.dX <= 0.0, has value: 9.87385e-06 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0707052s reading init.xml | | | | | | 0.00555994s reading info.xml | | | | | | 0.000497523s [ 0.0%] pre-initialization | | | | | | 0.0357327s [ 0.2%] initialization | | | | | | 0.000570721s [ 0.0%] steps | | | | | | 0.553985s [ 2.9%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 5.48473s [ 28.5%] event-handling | | | | | | 0.0864467s [ 0.4%] overhead | | | | | | 13.0901s [ 68.0%] simulation | | | | | | 19.2521s [100.0%] total | | | | | events | | | | | | 2442 state events | | | | | | 0 time events | | | | | solver: dassl | | | | | | 129817 steps taken | | | | | | 167864 calls of functionODE | | | | | | 35146 evaluations of jacobian | | | | | | 3033 error test failures | | | | | | 0 convergence test failures | | | | | | 7.22005s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.