Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.0.0_Modelica.Mechanics.Rotational.Examples.Backlash.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) 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(Modelica.Mechanics.Rotational.Examples.Backlash,fileNamePrefix="Modelica_4_0_0_Modelica_Mechanics_Rotational_Examples_Backlash",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Mechanics.Rotational.Examples.Backlash,fileNamePrefix="Modelica_4_0_0_Modelica_Mechanics_Rotational_Examples_Backlash",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 0.001609/0.001609, allocations: 103.6 kB / 16.51 MB, free: 6.645 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001198/0.001198, allocations: 195.1 kB / 17.42 MB, free: 6.066 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.257/1.257, allocations: 222.9 MB / 241.1 MB, free: 15.42 MB / 206.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001029/0.001029, allocations: 43.03 kB / 300.1 MB, free: 6.203 MB / 238.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.08202/0.08307, allocations: 49.45 MB / 349.5 MB, free: 4.742 MB / 286.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.Rotational.Examples.Backlash): time 0.003246/0.08635, allocations: 2.487 MB / 352 MB, free: 2.234 MB / 286.1 MB Notification: Performance of NFInst.instExpressions: time 0.001184/0.08756, allocations: 0.7211 MB / 352.7 MB, free: 1.512 MB / 286.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001569/0.08773, allocations: 7.938 kB / 352.7 MB, free: 1.504 MB / 286.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0001441/0.08791, allocations: 31.77 kB / 352.8 MB, free: 1.473 MB / 286.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0002118/0.08813, allocations: 87.3 kB / 352.8 MB, free: 1.387 MB / 286.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.000306/0.08844, allocations: 122.3 kB / 353 MB, free: 1.27 MB / 286.1 MB Notification: Performance of NFFlatten.flatten: time 0.0003667/0.08882, allocations: 438.2 kB / 353.4 MB, free: 0.8398 MB / 286.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001485/0.08897, allocations: 73.34 kB / 353.5 MB, free: 0.7617 MB / 286.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0001954/0.08917, allocations: 167.4 kB / 353.6 MB, free: 0.5977 MB / 286.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0001998/0.08938, allocations: 191.3 kB / 353.8 MB, free: 420 kB / 286.1 MB Notification: Performance of NFPackage.collectConstants: time 5.258e-05/0.08944, allocations: 24 kB / 353.8 MB, free: 396 kB / 286.1 MB Notification: Performance of NFFlatten.collectFunctions: time 6.04e-05/0.08951, allocations: 24 kB / 353.9 MB, free: 372 kB / 286.1 MB Notification: Performance of NFScalarize.scalarize: time 6.299e-05/0.08957, allocations: 75.72 kB / 353.9 MB, free: 296 kB / 286.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0001477/0.08973, allocations: 163.2 kB / 354.1 MB, free: 132 kB / 286.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0003078/0.09004, allocations: 383 kB / 354.5 MB, free: 15.75 MB / 302.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.597e-06/0.09005, allocations: 0 / 354.5 MB, free: 15.75 MB / 302.1 MB Notification: Performance of FrontEnd: time 7.52e-07/0.09006, allocations: 0 / 354.5 MB, free: 15.75 MB / 302.1 MB Notification: Performance of Transformations before backend: time 7.654e-06/0.09007, allocations: 0 / 354.5 MB, free: 15.75 MB / 302.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 62 * Number of variables: 62 Notification: Performance of Generate backend data structure: time 0.001427/0.09151, allocations: 0.69 MB / 355.2 MB, free: 15.02 MB / 302.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.771e-05/0.09155, allocations: 8.031 kB / 355.2 MB, free: 15.01 MB / 302.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 7.385e-05/0.09163, allocations: 66.67 kB / 355.2 MB, free: 14.93 MB / 302.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 7.09e-05/0.09171, allocations: 32.56 kB / 355.3 MB, free: 14.9 MB / 302.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002929/0.092, allocations: 271.6 kB / 355.5 MB, free: 14.6 MB / 302.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000356/0.09237, allocations: 132 kB / 355.7 MB, free: 14.46 MB / 302.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 5.717e-05/0.09244, allocations: 35.84 kB / 355.7 MB, free: 14.42 MB / 302.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008176/0.09326, allocations: 375.2 kB / 356.1 MB, free: 14.04 MB / 302.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.765e-05/0.09329, allocations: 4 kB / 356.1 MB, free: 14.04 MB / 302.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.288e-05/0.09333, allocations: 12 kB / 356.1 MB, free: 14.03 MB / 302.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.943e-06/0.09334, allocations: 8 kB / 356.1 MB, free: 14.02 MB / 302.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001076/0.09442, allocations: 399.5 kB / 356.5 MB, free: 13.63 MB / 302.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001173/0.09561, allocations: 0.9585 MB / 357.4 MB, free: 12.61 MB / 302.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0009513/0.09657, allocations: 407.5 kB / 357.8 MB, free: 12.18 MB / 302.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005395/0.09712, allocations: 206.9 kB / 358 MB, free: 11.97 MB / 302.1 MB Notification: Performance of preOpt evalFunc (simulation): time 2.295e-05/0.09715, allocations: 19.97 kB / 358 MB, free: 11.95 MB / 302.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.072e-05/0.09718, allocations: 38.5 kB / 358.1 MB, free: 11.91 MB / 302.1 MB Notification: Performance of pre-optimization done (n=32): time 2.916e-06/0.09719, allocations: 0 / 358.1 MB, free: 11.91 MB / 302.1 MB Notification: Performance of matching and sorting (n=38): time 0.004262/0.1015, allocations: 2.317 MB / 360.4 MB, free: 9.328 MB / 302.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.232e-05/0.1015, allocations: 106.8 kB / 360.5 MB, free: 9.199 MB / 302.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001805/0.1017, allocations: 207.2 kB / 360.7 MB, free: 8.984 MB / 302.1 MB Notification: Performance of collectPreVariables (initialization): time 3.709e-05/0.1018, allocations: 33.8 kB / 360.7 MB, free: 8.945 MB / 302.1 MB Notification: Performance of collectInitialEqns (initialization): time 7.649e-05/0.1018, allocations: 152.5 kB / 360.9 MB, free: 8.793 MB / 302.1 MB Notification: Performance of collectInitialBindings (initialization): time 9.89e-05/0.1019, allocations: 141.9 kB / 361 MB, free: 8.652 MB / 302.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001167/0.1021, allocations: 70.12 kB / 361.1 MB, free: 8.578 MB / 302.1 MB Notification: Performance of setup shared object (initialization): time 0.0001103/0.1022, allocations: 338.8 kB / 361.4 MB, free: 8.238 MB / 302.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002899/0.1025, allocations: 112.8 kB / 361.5 MB, free: 8.129 MB / 302.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003094/0.1028, allocations: 169.4 kB / 361.7 MB, free: 7.945 MB / 302.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005841/0.1034, allocations: 284.2 kB / 362 MB, free: 7.652 MB / 302.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.553e-06/0.1034, allocations: 0 / 362 MB, free: 7.652 MB / 302.1 MB Notification: Performance of matching and sorting (n=47) (initialization): time 0.0007528/0.1042, allocations: 368.9 kB / 362.3 MB, free: 7.285 MB / 302.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.561e-05/0.1042, allocations: 8 kB / 362.3 MB, free: 7.277 MB / 302.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.252e-06/0.1042, allocations: 4.094 kB / 362.4 MB, free: 7.273 MB / 302.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.503e-05/0.1042, allocations: 4 kB / 362.4 MB, free: 7.27 MB / 302.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006428/0.1049, allocations: 147.8 kB / 362.5 MB, free: 7.125 MB / 302.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.893e-05/0.1049, allocations: 11.92 kB / 362.5 MB, free: 7.113 MB / 302.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002103/0.1051, allocations: 19.98 kB / 362.5 MB, free: 7.094 MB / 302.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.275e-05/0.1051, allocations: 12 kB / 362.5 MB, free: 7.082 MB / 302.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (47): * Single equations (assignments): 47 * Array equations: 0 * Algorithm blocks: 0 * 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 0.000131/0.1053, allocations: 149.7 kB / 362.7 MB, free: 6.926 MB / 302.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.217e-05/0.1054, allocations: 31.66 kB / 362.7 MB, free: 6.895 MB / 302.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.308e-05/0.1054, allocations: 33.52 kB / 362.8 MB, free: 6.863 MB / 302.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.418e-06/0.1054, allocations: 4 kB / 362.8 MB, free: 6.859 MB / 302.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.504e-06/0.1055, allocations: 4 kB / 362.8 MB, free: 6.855 MB / 302.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.781e-06/0.1055, allocations: 3.984 kB / 362.8 MB, free: 6.852 MB / 302.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002125/0.1076, allocations: 1.334 MB / 364.1 MB, free: 5.422 MB / 302.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.274e-06/0.1076, allocations: 8.172 kB / 364.1 MB, free: 5.414 MB / 302.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007977/0.1084, allocations: 167.7 kB / 364.3 MB, free: 5.25 MB / 302.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 6.372e-06/0.1084, allocations: 4 kB / 364.3 MB, free: 5.246 MB / 302.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.398e-05/0.1085, allocations: 27.92 kB / 364.3 MB, free: 5.219 MB / 302.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.548e-06/0.1085, allocations: 4 kB / 364.3 MB, free: 5.215 MB / 302.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.603e-06/0.1085, allocations: 0 / 364.3 MB, free: 5.215 MB / 302.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00179/0.1103, allocations: 0.9483 MB / 365.3 MB, free: 4.227 MB / 302.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001264/0.1104, allocations: 132.8 kB / 365.4 MB, free: 4.078 MB / 302.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.176e-05/0.1105, allocations: 15.92 kB / 365.4 MB, free: 4.062 MB / 302.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003942/0.1109, allocations: 43.95 kB / 365.4 MB, free: 4.02 MB / 302.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.458e-05/0.111, allocations: 43.88 kB / 365.5 MB, free: 3.977 MB / 302.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.511e-05/0.111, allocations: 12.09 kB / 365.5 MB, free: 3.965 MB / 302.1 MB Notification: Performance of sorting global known variables: time 0.0001192/0.1111, allocations: 160.5 kB / 365.7 MB, free: 3.809 MB / 302.1 MB Notification: Performance of sort global known variables: time 1.8e-07/0.1112, allocations: 4 kB / 365.7 MB, free: 3.805 MB / 302.1 MB Notification: Performance of remove unused functions: time 0.0004097/0.1116, allocations: 76 kB / 365.7 MB, free: 3.73 MB / 302.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 9 * Number of states: 6 (elastoBacklash2.phi_rel,elastoBacklash2.w_rel,elastoBacklash.phi_rel,elastoBacklash.w_rel,springDamper.phi_rel,springDamper.w_rel) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (38): * Single equations (assignments): 38 * Array equations: 0 * Algorithm blocks: 0 * 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 Backend phase and start with SimCode phase: time 0.00205/0.1136, allocations: 1.511 MB / 367.2 MB, free: 2.172 MB / 302.1 MB Notification: Performance of simCode: created initialization part: time 0.0008767/0.1145, allocations: 363.6 kB / 367.6 MB, free: 1.816 MB / 302.1 MB Notification: Performance of simCode: created event and clocks part: time 2.284e-06/0.1145, allocations: 3.938 kB / 367.6 MB, free: 1.812 MB / 302.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0006075/0.1151, allocations: 248 kB / 367.8 MB, free: 1.57 MB / 302.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006821/0.1158, allocations: 63.16 kB / 367.9 MB, free: 1.512 MB / 302.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1326/0.2484, allocations: 3.945 MB / 371.9 MB, free: 24.63 MB / 302.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001974/0.2487, allocations: 0.7676 MB / 372.6 MB, free: 23.93 MB / 302.1 MB Notification: Performance of simCode: alias equations: time 0.0002099/0.2489, allocations: 38.09 kB / 372.7 MB, free: 23.93 MB / 302.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001783/0.2491, allocations: 95.53 kB / 372.7 MB, free: 23.92 MB / 302.1 MB Notification: Performance of SimCode: time 5.31e-07/0.2491, allocations: 3.969 kB / 372.8 MB, free: 23.92 MB / 302.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.239/0.4881, allocations: 6.52 MB / 379.3 MB, free: 23.09 MB / 302.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.000187/0.4883, allocations: 197.3 kB / 379.5 MB, free: 22.83 MB / 302.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 2.147/2.636, allocations: 3.938 kB / 379.5 MB, free: 22.83 MB / 302.1 MB (rm -f Modelica_4.0.0_Modelica.Mechanics.Rotational.Examples.Backlash.pipe ; mkfifo Modelica_4.0.0_Modelica.Mechanics.Rotational.Examples.Backlash.pipe ; head -c 1048576 < Modelica_4.0.0_Modelica.Mechanics.Rotational.Examples.Backlash.pipe >> ../files/Modelica_4.0.0_Modelica.Mechanics.Rotational.Examples.Backlash.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Modelica_4.0.0_Modelica.Mechanics.Rotational.Examples.Backlash_res.mat --tempDir=temp_Modelica_4_0_0_Modelica_Mechanics_Rotational_Examples_Backlash_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Modelica_4_0_0_Modelica_Mechanics_Rotational_Examples_Backlash.fmu > Modelica_4.0.0_Modelica.Mechanics.Rotational.Examples.Backlash.pipe 2>&1) diffSimulationResults("Modelica_4.0.0_Modelica.Mechanics.Rotational.Examples.Backlash_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/Modelica/Mechanics/Rotational/Examples/Backlash/Backlash.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_4.0.0_Modelica.Mechanics.Rotational.Examples.Backlash.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) "" Variables in the reference:time,elastoBacklash.phi_rel,elastoBacklash.w_rel,springDamper.phi_rel,springDamper.w_rel Variables in the result:der(elastoBacklash.phi_rel),der(elastoBacklash.w_rel),der(elastoBacklash2.phi_rel),der(elastoBacklash2.w_rel),der(inertia1.phi),der(inertia1.w),der(inertia2.phi),der(inertia2.w),der(inertia3.phi),der(inertia3.w),der(springDamper.phi_rel),der(springDamper.w_rel),elastoBacklash.a_rel,elastoBacklash.b,elastoBacklash.c,elastoBacklash.d,elastoBacklash.flange_a.phi,elastoBacklash.flange_a.tau,elastoBacklash.flange_b.phi,elastoBacklash.flange_b.tau,elastoBacklash.lossPower,elastoBacklash.phi_nominal,elastoBacklash.phi_rel,elastoBacklash.phi_rel0,elastoBacklash.stateSelect,elastoBacklash.tau,elastoBacklash.useHeatPort,elastoBacklash.w_rel,elastoBacklash2.a_rel,elastoBacklash2.b,elastoBacklash2.c,elastoBacklash2.d,elastoBacklash2.flange_a.phi,elastoBacklash2.flange_a.tau,elastoBacklash2.flange_b.phi,elastoBacklash2.flange_b.tau,elastoBacklash2.lossPower,elastoBacklash2.phi_nominal,elastoBacklash2.phi_rel,elastoBacklash2.phi_rel0,elastoBacklash2.stateSelect,elastoBacklash2.tau,elastoBacklash2.useHeatPort,elastoBacklash2.w_rel,fixed1.flange.phi,fixed1.flange.tau,fixed1.phi0,fixed2.flange.phi,fixed2.flange.tau,fixed2.phi0,fixed3.flange.phi,fixed3.flange.tau,fixed3.phi0,inertia1.J,inertia1.a,inertia1.flange_a.phi,inertia1.flange_a.tau,inertia1.flange_b.phi,inertia1.flange_b.tau,inertia1.phi,inertia1.stateSelect,inertia1.w,inertia2.J,inertia2.a,inertia2.flange_a.phi,inertia2.flange_a.tau,inertia2.flange_b.phi,inertia2.flange_b.tau,inertia2.phi,inertia2.stateSelect,inertia2.w,inertia3.J,inertia3.a,inertia3.flange_a.phi,inertia3.flange_a.tau,inertia3.flange_b.phi,inertia3.flange_b.tau,inertia3.phi,inertia3.stateSelect,inertia3.w,springDamper.a_rel,springDamper.c,springDamper.d,springDamper.flange_a.phi,springDamper.flange_a.tau,springDamper.flange_b.phi,springDamper.flange_b.tau,springDamper.lossPower,springDamper.phi_nominal,springDamper.phi_rel,springDamper.phi_rel0,springDamper.stateSelect,springDamper.tau,springDamper.useHeatPort,springDamper.w_rel,time