Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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: "" <> buildModelFMU(IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised,fileNamePrefix="IDEAS_IDEAS_Fluid_Examples_Performance_PressureDrop_SeriesFlowOptimised",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised,fileNamePrefix="IDEAS_IDEAS_Fluid_Examples_Performance_PressureDrop_SeriesFlowOptimised",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001903/0.001904, allocations: 108.6 kB / 15.73 MB, free: 72 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00213/0.00213, allocations: 187.1 kB / 16.66 MB, free: 6.602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.439/1.439, allocations: 222.9 MB / 240.4 MB, free: 4.324 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7979/0.7979, allocations: 132.2 MB / 422.7 MB, free: 1.695 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001839/0.00184, allocations: 63.59 kB / 0.5809 GB, free: 1.129 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1639/0.1657, allocations: 80.21 MB / 0.6592 GB, free: 14.02 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised): time 0.5641/0.7298, allocations: 161.6 MB / 0.817 GB, free: 2.953 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.003003/0.7329, allocations: 1.748 MB / 0.8187 GB, free: 2.926 MB / 0.6387 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004305/0.7333, allocations: 12.78 kB / 0.8187 GB, free: 2.926 MB / 0.6387 GB Notification: Performance of NFTyping.typeComponents: time 0.0006152/0.734, allocations: 170.4 kB / 0.8189 GB, free: 2.922 MB / 0.6387 GB Notification: Performance of NFTyping.typeBindings: time 0.001479/0.7355, allocations: 0.5166 MB / 0.8194 GB, free: 2.902 MB / 0.6387 GB Notification: Performance of NFTyping.typeClassSections: time 0.001385/0.7369, allocations: 396 kB / 0.8198 GB, free: 2.891 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.003619/0.7405, allocations: 2.531 MB / 0.8223 GB, free: 2.887 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001441/0.742, allocations: 0.9342 MB / 0.8232 GB, free: 2.82 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002173/0.7442, allocations: 1.036 MB / 0.8242 GB, free: 2.812 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001173/0.7454, allocations: 0.7042 MB / 0.8249 GB, free: 2.812 MB / 0.6387 GB Notification: Performance of NFPackage.collectConstants: time 0.0001546/0.7455, allocations: 57.7 kB / 0.8249 GB, free: 2.812 MB / 0.6387 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001858/0.7474, allocations: 0.7398 MB / 0.8256 GB, free: 2.805 MB / 0.6387 GB Notification: Performance of NFScalarize.scalarize: time 0.0004292/0.7478, allocations: 307 kB / 0.8259 GB, free: 2.801 MB / 0.6387 GB Notification: Performance of NFVerifyModel.verify: time 0.0008465/0.7487, allocations: 0.5407 MB / 0.8265 GB, free: 2.801 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.002237/0.7509, allocations: 1.414 MB / 0.8278 GB, free: 2.699 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 6.642e-06/0.751, allocations: 1.031 kB / 0.8278 GB, free: 2.699 MB / 0.6387 GB Notification: Performance of FrontEnd: time 1.853e-06/0.751, allocations: 0.8125 kB / 0.8278 GB, free: 2.699 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 2.096e-05/0.751, allocations: 0 / 0.8278 GB, free: 2.699 MB / 0.6387 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 0.002434/0.7534, allocations: 1.484 MB / 0.8293 GB, free: 1.824 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 4.222e-05/0.7535, allocations: 10.77 kB / 0.8293 GB, free: 1.824 MB / 0.6387 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001046/0.7536, allocations: 93.94 kB / 0.8294 GB, free: 1.785 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007988/0.7544, allocations: 197.7 kB / 0.8296 GB, free: 1.719 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001251/0.7557, allocations: 0.8551 MB / 0.8304 GB, free: 1.352 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.03e-05/0.7557, allocations: 43.12 kB / 0.8305 GB, free: 1.352 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.178e-05/0.7558, allocations: 65.25 kB / 0.8305 GB, free: 1.348 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00109/0.7569, allocations: 0.7881 MB / 0.8313 GB, free: 1.129 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.006e-05/0.7569, allocations: 5.938 kB / 0.8313 GB, free: 1.129 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.871e-05/0.757, allocations: 21 kB / 0.8313 GB, free: 1.129 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.539e-05/0.757, allocations: 14.91 kB / 0.8313 GB, free: 1.129 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008687/0.7579, allocations: 0.5395 MB / 0.8319 GB, free: 1.121 MB / 0.6387 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 0.004118/0.762, allocations: 4.596 MB / 0.8363 GB, free: 13.68 MB / 0.6544 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006493/0.7627, allocations: 413 kB / 0.8367 GB, free: 13.66 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003236/0.763, allocations: 244.9 kB / 0.837 GB, free: 13.65 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003152/0.7633, allocations: 198.9 kB / 0.8372 GB, free: 13.46 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004234/0.7638, allocations: 290.5 kB / 0.8374 GB, free: 13.39 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=31): time 2.014e-06/0.7638, allocations: 1.094 kB / 0.8374 GB, free: 13.39 MB / 0.6544 GB Notification: Performance of matching and sorting (n=31): time 0.001287/0.7651, allocations: 0.638 MB / 0.8381 GB, free: 13.3 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.109e-05/0.7652, allocations: 86.22 kB / 0.8381 GB, free: 13.21 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001217/0.7664, allocations: 1.112 MB / 0.8392 GB, free: 13.05 MB / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 6.174e-05/0.7665, allocations: 41.33 kB / 0.8393 GB, free: 13.02 MB / 0.6544 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003769/0.7668, allocations: 495.8 kB / 0.8397 GB, free: 12.85 MB / 0.6544 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001003/0.7669, allocations: 116.7 kB / 0.8399 GB, free: 12.78 MB / 0.6544 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001617/0.7671, allocations: 110 kB / 0.84 GB, free: 12.75 MB / 0.6544 GB Notification: Performance of setup shared object (initialization): time 0.0001501/0.7673, allocations: 326.7 kB / 0.8403 GB, free: 12.45 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003411/0.7676, allocations: 212.8 kB / 0.8405 GB, free: 12.44 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005947/0.7682, allocations: 0.5186 MB / 0.841 GB, free: 12.09 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008432/0.7691, allocations: 0.6362 MB / 0.8416 GB, free: 11.87 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.689e-06/0.7691, allocations: 1.969 kB / 0.8416 GB, free: 11.87 MB / 0.6544 GB Notification: Performance of matching and sorting (n=54) (initialization): time 0.001193/0.7703, allocations: 0.7296 MB / 0.8423 GB, free: 11.74 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 5.228e-05/0.7704, allocations: 39.98 kB / 0.8424 GB, free: 11.71 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.178e-05/0.7704, allocations: 6.25 kB / 0.8424 GB, free: 11.71 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.681e-05/0.7704, allocations: 7.562 kB / 0.8424 GB, free: 11.71 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004067/0.7708, allocations: 108.3 kB / 0.8425 GB, free: 11.71 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.351e-05/0.7708, allocations: 13.89 kB / 0.8425 GB, free: 11.71 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000774/0.7716, allocations: 77.95 kB / 0.8426 GB, free: 11.68 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.135e-05/0.7717, allocations: 25.56 kB / 0.8426 GB, free: 11.68 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006918/0.7724, allocations: 0.4984 MB / 0.8431 GB, free: 11.6 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000537/0.7729, allocations: 493.6 kB / 0.8435 GB, free: 11.25 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007279/0.7737, allocations: 0.5528 MB / 0.8441 GB, free: 11.03 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.986e-06/0.7737, allocations: 3 kB / 0.8441 GB, free: 11.03 MB / 0.6544 GB Notification: Performance of matching and sorting (n=54) (initialization_lambda0): time 0.001026/0.7747, allocations: 0.6432 MB / 0.8447 GB, free: 10.91 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 3.535e-05/0.7748, allocations: 38.98 kB / 0.8447 GB, free: 10.88 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.941e-06/0.7748, allocations: 4.875 kB / 0.8448 GB, free: 10.88 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.819e-06/0.7748, allocations: 11.05 kB / 0.8448 GB, free: 10.88 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003317/0.7751, allocations: 102.6 kB / 0.8449 GB, free: 10.88 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.141e-05/0.7751, allocations: 14.75 kB / 0.8449 GB, free: 10.88 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007441/0.7759, allocations: 68.33 kB / 0.8449 GB, free: 10.86 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.734e-05/0.7759, allocations: 26.47 kB / 0.845 GB, free: 10.86 MB / 0.6544 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 0.0002233/0.7762, allocations: 220.6 kB / 0.8452 GB, free: 10.68 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000147/0.7763, allocations: 107.7 kB / 0.8453 GB, free: 10.62 MB / 0.6544 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008884/0.7772, allocations: 499.8 kB / 0.8458 GB, free: 10.56 MB / 0.6544 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.764e-06/0.7772, allocations: 6.656 kB / 0.8458 GB, free: 10.55 MB / 0.6544 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.131e-06/0.7773, allocations: 3.562 kB / 0.8458 GB, free: 10.55 MB / 0.6544 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.769e-06/0.7773, allocations: 0 / 0.8458 GB, free: 10.55 MB / 0.6544 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001955/0.7792, allocations: 1.387 MB / 0.8471 GB, free: 10.11 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.389e-06/0.7792, allocations: 2.562 kB / 0.8471 GB, free: 10.11 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002339/0.7795, allocations: 60.98 kB / 0.8472 GB, free: 10.11 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.322e-06/0.7795, allocations: 5.578 kB / 0.8472 GB, free: 10.11 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.275e-05/0.7795, allocations: 10.17 kB / 0.8472 GB, free: 10.11 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.839e-06/0.7795, allocations: 3.406 kB / 0.8472 GB, free: 10.11 MB / 0.6544 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.364e-06/0.7795, allocations: 6.906 kB / 0.8472 GB, free: 10.11 MB / 0.6544 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007927/0.7803, allocations: 0.6052 MB / 0.8478 GB, free: 9.863 MB / 0.6544 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003316/0.7807, allocations: 211.3 kB / 0.848 GB, free: 9.719 MB / 0.6544 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001121/0.7808, allocations: 12.8 kB / 0.848 GB, free: 9.715 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003815/0.7812, allocations: 20.55 kB / 0.848 GB, free: 9.715 MB / 0.6544 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.238e-05/0.7813, allocations: 36.64 kB / 0.8481 GB, free: 9.711 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.171e-05/0.7813, allocations: 12.55 kB / 0.8481 GB, free: 9.711 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.0009328/0.7823, allocations: 0.7877 MB / 0.8488 GB, free: 9.602 MB / 0.6544 GB Notification: Performance of sort global known variables: time 2.5e-07/0.7823, allocations: 4.562 kB / 0.8489 GB, free: 9.602 MB / 0.6544 GB Notification: Performance of remove unused functions: time 0.0012/0.7835, allocations: 414 kB / 0.8492 GB, free: 9.562 MB / 0.6544 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 0.001477/0.785, allocations: 1.229 MB / 0.8504 GB, free: 8.777 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.00133/0.7863, allocations: 0.8166 MB / 0.8512 GB, free: 8.648 MB / 0.6544 GB Notification: Performance of simCode: created event and clocks part: time 6.402e-06/0.7863, allocations: 3.016 kB / 0.8512 GB, free: 8.648 MB / 0.6544 GB Notification: Performance of simCode: created simulation system equations: time 0.0003219/0.7867, allocations: 206.3 kB / 0.8514 GB, free: 8.648 MB / 0.6544 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002028/0.7887, allocations: 451.2 kB / 0.8519 GB, free: 8.598 MB / 0.6544 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.011/0.7997, allocations: 8.188 MB / 0.8599 GB, free: 6.207 MB / 0.6544 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000727/0.8005, allocations: 1.179 MB / 0.861 GB, free: 5.504 MB / 0.6544 GB Notification: Performance of simCode: alias equations: time 0.001096/0.8016, allocations: 413.2 kB / 0.8614 GB, free: 5.48 MB / 0.6544 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004013/0.802, allocations: 321.8 kB / 0.8617 GB, free: 5.473 MB / 0.6544 GB Notification: Performance of SimCode: time 1.142e-06/0.802, allocations: 0.9062 kB / 0.8617 GB, free: 5.473 MB / 0.6544 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05698/0.859, allocations: 26.11 MB / 0.8872 GB, free: 8.215 MB / 0.67 GB Notification: Performance of buildModelFMU: Generate platform static: time 10.27/11.13, allocations: 12.52 kB / 0.8872 GB, free: 8.203 MB / 0.67 GB (rm -f IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe ; mkfifo IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe >> ../files/IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.sim & python3 -m fmpy simulate --output-file IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IDEAS_IDEAS_Fluid_Examples_Performance_PressureDrop_SeriesFlowOptimised.fmu > IDEAS_IDEAS.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe 2>&1)