Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(BuildingSystems.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised") translateModel(BuildingSystems.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001244/0.001244, allocations: 104.1 kB / 15.98 MB, free: 5.891 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001221/0.001221, allocations: 190.8 kB / 16.91 MB, free: 5.746 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.196/1.196, allocations: 222.9 MB / 240.6 MB, free: 15.45 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001961/0.001961, allocations: 289 kB / 291 MB, free: 14.71 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.8635/0.8635, allocations: 169.2 MB / 0.4985 GB, free: 4.723 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001581/0.001582, allocations: 89.45 kB / 0.5953 GB, free: 15.55 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1538/0.1554, allocations: 86.98 MB / 0.6803 GB, free: 8.59 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised): time 0.4354/0.5908, allocations: 159.4 MB / 0.8359 GB, free: 104 kB / 0.5919 GB Notification: Performance of NFInst.instExpressions: time 0.002736/0.5936, allocations: 1.745 MB / 0.8376 GB, free: 14.35 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002532/0.5939, allocations: 11.94 kB / 0.8376 GB, free: 14.34 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.0005133/0.5944, allocations: 135.2 kB / 0.8378 GB, free: 14.21 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.00112/0.5955, allocations: 0.498 MB / 0.8383 GB, free: 13.71 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.0009611/0.5965, allocations: 347.6 kB / 0.8386 GB, free: 13.37 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.002289/0.5988, allocations: 2.554 MB / 0.8411 GB, free: 10.81 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001002/0.5998, allocations: 0.9036 MB / 0.842 GB, free: 9.906 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001543/0.6014, allocations: 1.063 MB / 0.843 GB, free: 8.84 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0008727/0.6023, allocations: 0.7507 MB / 0.8437 GB, free: 8.086 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 0.0001066/0.6024, allocations: 56 kB / 0.8438 GB, free: 8.031 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001276/0.6037, allocations: 0.76 MB / 0.8445 GB, free: 7.27 MB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 0.0002965/0.604, allocations: 310.9 kB / 0.8448 GB, free: 6.965 MB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.0005704/0.6046, allocations: 0.5402 MB / 0.8454 GB, free: 6.422 MB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.00102/0.6056, allocations: 1.052 MB / 0.8464 GB, free: 5.367 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 3.657e-06/0.6056, allocations: 0 / 0.8464 GB, free: 5.367 MB / 0.6075 GB Notification: Performance of FrontEnd: time 1.243e-06/0.6056, allocations: 0 / 0.8464 GB, free: 5.367 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 1.501e-05/0.6056, allocations: 0 / 0.8464 GB, free: 5.367 MB / 0.6075 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 126 * Number of variables: 126 Notification: Performance of Generate backend data structure: time 0.002039/0.6077, allocations: 1.451 MB / 0.8478 GB, free: 3.852 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 3.476e-05/0.6077, allocations: 8.031 kB / 0.8478 GB, free: 3.844 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007105/0.6084, allocations: 182.5 kB / 0.848 GB, free: 3.664 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00101/0.6095, allocations: 0.8021 MB / 0.8488 GB, free: 2.805 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.319e-05/0.6095, allocations: 41 kB / 0.8488 GB, free: 2.766 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.21e-05/0.6096, allocations: 64 kB / 0.8489 GB, free: 2.703 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001034/0.6106, allocations: 0.7888 MB / 0.8496 GB, free: 1.844 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.432e-05/0.6106, allocations: 3.938 kB / 0.8496 GB, free: 1.84 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.602e-05/0.6107, allocations: 20 kB / 0.8497 GB, free: 1.82 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.22e-05/0.6107, allocations: 12 kB / 0.8497 GB, free: 1.809 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008014/0.6115, allocations: 0.5461 MB / 0.8502 GB, free: 1.262 MB / 0.6075 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003596/0.6151, allocations: 4.581 MB / 0.8547 GB, free: 12.3 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006533/0.6158, allocations: 416 kB / 0.8551 GB, free: 11.88 MB / 0.6231 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003632/0.6162, allocations: 247.9 kB / 0.8553 GB, free: 11.64 MB / 0.6231 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002907/0.6165, allocations: 194.2 kB / 0.8555 GB, free: 11.41 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004691/0.6169, allocations: 285 kB / 0.8558 GB, free: 11.12 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=31): time 4.008e-06/0.617, allocations: 0 / 0.8558 GB, free: 11.12 MB / 0.6231 GB Notification: Performance of matching and sorting (n=31): time 0.001303/0.6183, allocations: 0.6388 MB / 0.8564 GB, free: 10.48 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.5e-05/0.6183, allocations: 89.03 kB / 0.8565 GB, free: 10.37 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001202/0.6195, allocations: 1.11 MB / 0.8576 GB, free: 9.242 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 4.709e-05/0.6196, allocations: 37.7 kB / 0.8576 GB, free: 9.199 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003713/0.62, allocations: 496 kB / 0.8581 GB, free: 8.711 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 9.184e-05/0.6201, allocations: 114.5 kB / 0.8582 GB, free: 8.598 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001507/0.6202, allocations: 106 kB / 0.8583 GB, free: 8.488 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0001033/0.6203, allocations: 333.9 kB / 0.8586 GB, free: 8.156 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003453/0.6207, allocations: 214.4 kB / 0.8588 GB, free: 7.941 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005365/0.6212, allocations: 0.5145 MB / 0.8593 GB, free: 7.297 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007795/0.622, allocations: 0.6424 MB / 0.8599 GB, free: 6.574 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.877e-06/0.622, allocations: 0 / 0.8599 GB, free: 6.574 MB / 0.6231 GB Notification: Performance of matching and sorting (n=54) (initialization): time 0.001086/0.6231, allocations: 0.7235 MB / 0.8606 GB, free: 5.84 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 3.903e-05/0.6232, allocations: 33.7 kB / 0.8607 GB, free: 5.801 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.087e-06/0.6232, allocations: 4.219 kB / 0.8607 GB, free: 5.797 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.977e-05/0.6232, allocations: 8 kB / 0.8607 GB, free: 5.789 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003941/0.6236, allocations: 115.7 kB / 0.8608 GB, free: 5.676 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.453e-05/0.6236, allocations: 11.94 kB / 0.8608 GB, free: 5.664 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006433/0.6243, allocations: 95.56 kB / 0.8609 GB, free: 5.57 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.605e-05/0.6244, allocations: 23.98 kB / 0.8609 GB, free: 5.547 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000605/0.625, allocations: 0.5005 MB / 0.8614 GB, free: 5.043 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004865/0.6255, allocations: 493.9 kB / 0.8619 GB, free: 4.426 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0006478/0.6261, allocations: 0.5566 MB / 0.8624 GB, free: 3.789 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.305e-06/0.6261, allocations: 0 / 0.8624 GB, free: 3.789 MB / 0.6231 GB Notification: Performance of matching and sorting (n=54) (initialization_lambda0): time 0.0008974/0.627, allocations: 0.6398 MB / 0.8631 GB, free: 3.137 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 3.175e-05/0.6271, allocations: 37.69 kB / 0.8631 GB, free: 3.094 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.316e-06/0.6271, allocations: 9.016 kB / 0.8631 GB, free: 3.086 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.777e-06/0.6271, allocations: 8 kB / 0.8631 GB, free: 3.078 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000325/0.6274, allocations: 108.4 kB / 0.8632 GB, free: 2.973 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.557e-06/0.6274, allocations: 11.94 kB / 0.8632 GB, free: 2.961 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006076/0.6281, allocations: 88.88 kB / 0.8633 GB, free: 2.875 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.347e-05/0.6281, allocations: 20 kB / 0.8633 GB, free: 2.855 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * Number of states: 0 () * Number of discrete variables: 5 (pulse_p.count,$PRE.pulse_p.count,pulse_p.T_start,$PRE.pulse_p.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (53): * Single equations (assignments): 52 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001645/0.6283, allocations: 220 kB / 0.8635 GB, free: 2.633 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001158/0.6284, allocations: 98.78 kB / 0.8636 GB, free: 2.535 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008441/0.6292, allocations: 0.492 MB / 0.8641 GB, free: 2.035 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.881e-06/0.6293, allocations: 4.188 kB / 0.8641 GB, free: 2.031 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.065e-06/0.6293, allocations: 0 / 0.8641 GB, free: 2.031 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.562e-06/0.6293, allocations: 3.984 kB / 0.8641 GB, free: 2.027 MB / 0.6231 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001835/0.6311, allocations: 1.387 MB / 0.8655 GB, free: 0.5664 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.466e-06/0.6311, allocations: 0 / 0.8655 GB, free: 0.5664 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002255/0.6314, allocations: 63.89 kB / 0.8655 GB, free: 0.5039 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.52e-06/0.6314, allocations: 4 kB / 0.8655 GB, free: 0.5 MB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.433e-05/0.6314, allocations: 15.92 kB / 0.8656 GB, free: 496 kB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.248e-06/0.6314, allocations: 7.938 kB / 0.8656 GB, free: 488 kB / 0.6231 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.723e-06/0.6314, allocations: 4.219 kB / 0.8656 GB, free: 484 kB / 0.6231 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000756/0.6322, allocations: 0.596 MB / 0.8661 GB, free: 15.84 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002526/0.6325, allocations: 219.7 kB / 0.8664 GB, free: 15.61 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001026/0.6326, allocations: 8 kB / 0.8664 GB, free: 15.6 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004096/0.633, allocations: 43.95 kB / 0.8664 GB, free: 15.55 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.981e-05/0.6331, allocations: 27.97 kB / 0.8664 GB, free: 15.53 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.207e-05/0.6331, allocations: 15.98 kB / 0.8664 GB, free: 15.51 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.0008562/0.634, allocations: 0.7875 MB / 0.8672 GB, free: 14.71 MB / 0.6387 GB Notification: Performance of sort global known variables: time 1.6e-07/0.634, allocations: 3.938 kB / 0.8672 GB, free: 14.71 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.001032/0.635, allocations: 411.4 kB / 0.8676 GB, free: 14.31 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,pulse_p.T_start,pulse_p.count) * Number of discrete states: 1 (pulse_p.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (31): * Single equations (assignments): 29 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0003793/0.6354, allocations: 175.3 kB / 0.8678 GB, free: 14.14 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.001301/0.6367, allocations: 0.8621 MB / 0.8686 GB, free: 13.25 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 4.319e-06/0.6367, allocations: 4 kB / 0.8686 GB, free: 13.25 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.0003052/0.637, allocations: 193 kB / 0.8688 GB, free: 13.06 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00167/0.6387, allocations: 460.2 kB / 0.8692 GB, free: 12.62 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002655/0.6414, allocations: 2.095 MB / 0.8713 GB, free: 10.46 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006162/0.642, allocations: 1.176 MB / 0.8724 GB, free: 9.258 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001859/0.6422, allocations: 75.42 kB / 0.8725 GB, free: 9.184 MB / 0.6387 GB Notification: Performance of SimCode: time 3.01e-07/0.6422, allocations: 0 / 0.8725 GB, free: 9.184 MB / 0.6387 GB Notification: Performance of Templates: time 0.02082/0.663, allocations: 15.86 MB / 0.888 GB, free: 9.441 MB / 0.6544 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.sim & ./BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe 2>&1)