Environment - simulationEnvironment: startTime=-1 stopTime=1 tolerance=1e-06 numberOfIntervals=200 stepSize=0.01 Regular simulation: ./ThermofluidStream_dev_ThermofluidStream.Idealized.Examples.JouleBrayton.Step6TransferEfficiency -abortSlowSimulation -alarm=1200 -emit_protected -lv LOG_STATS WARNING: other : Warning: unrecognized command line options -abortSlowSimulation INFO : solver: SimManager: Start initialization INFO : solver: SimManager: Start simulation at t = -1.000000 ERROR : solver: DASSL: failed step at t = -nan: The arguments u_min and u_max provided in the function call solveOneNonlinearEquation(f,u_min,u_max) do not bracket the root of the single non-linear equation 0=f(u): u_min = 200.000000 u_max = 6000.000000 fa = f(u_min) = 411834.774561 fb = f(u_max) = 7729789.484265 fa and fb must have opposite sign which is not the case ERROR : solver: SimManager: Simulation stopped with errors before t = 1.000000 ERROR : solver: SimManager: DASSL: solve failed with idid = 5 INFO : solver: SimManager: Simulation stop time: 1.000000 INFO : solver: Simulation info from solver: INFO : solver: DASSL: steps taken nst = 26 INFO : solver: DASSL: residual evaluations nre = 26 INFO : solver: DASSL: jacobian evaluations nje = 25 INFO : solver: DASSL: root evaluations nrt = 28 INFO : solver: DASSL: error test failures netf = 0 INFO : solver: DASSL: nonlinear convergence failures ncfn = 0 INFO : solver: DASSL: nonlinear iterations nni = 26 INFO : solver: DASSL: last evaluation time t = -1.000000 INFO : solver: DASSL: last step size h = 0.000000 INFO : solver: DASSL: last used order k = 1 ERROR : solver: SimController: Simulation failed using nonlinear solver newton ERROR : solver: SimController: Recovering with nonlinear solver kinsol INFO : solver: SimManager: Start initialization INFO : solver: SimManager: Start simulation at t = -1.000000 ERROR : solver: DASSL: failed step at t = -nan: The arguments u_min and u_max provided in the function call solveOneNonlinearEquation(f,u_min,u_max) do not bracket the root of the single non-linear equation 0=f(u): u_min = 200.000000 u_max = 6000.000000 fa = f(u_min) = 411834.774561 fb = f(u_max) = 7729789.484265 fa and fb must have opposite sign which is not the case ERROR : solver: SimManager: Simulation stopped with errors before t = 1.000000 ERROR : solver: SimManager: DASSL: solve failed with idid = 5 INFO : solver: SimManager: Simulation stop time: 1.000000 INFO : solver: Simulation info from solver: INFO : solver: DASSL: steps taken nst = 26 INFO : solver: DASSL: residual evaluations nre = 26 INFO : solver: DASSL: jacobian evaluations nje = 25 INFO : solver: DASSL: root evaluations nrt = 28 INFO : solver: DASSL: error test failures netf = 0 INFO : solver: DASSL: nonlinear convergence failures ncfn = 0 INFO : solver: DASSL: nonlinear iterations nni = 26 INFO : solver: DASSL: last evaluation time t = -1.000000 INFO : solver: DASSL: last step size h = 0.000000 INFO : solver: DASSL: last used order k = 1 ERROR : solver: SimController: Simulation failed using nonlinear solver kinsol