// run_parallel_cfdemSolverPiso_periodicChannel_CFDDEM // /home/jurij/BRC/pcIVbag/CFD /*---------------------------------------------------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: 5.x | | \\ / A nd | Web: www.OpenFOAM.org | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ Build : 5.x-7f7d351b741b Exec : cfdemSolverPiso -parallel Date : Mar 24 2025 Time : 23:13:12 Host : "DESKTOP-SP226IL" PID : 3634636 I/O : uncollated Case : /home/jurij/BRC/pcIVbag/CFD nProcs : 8 Slaves : 7 ( "DESKTOP-SP226IL.3634637" "DESKTOP-SP226IL.3634638" "DESKTOP-SP226IL.3634639" "DESKTOP-SP226IL.3634640" "DESKTOP-SP226IL.3634641" "DESKTOP-SP226IL.3634642" "DESKTOP-SP226IL.3634643" ) Pstream initialized with: floatTransfer : 0 nProcsSimpleSum : 0 commsType : nonBlocking polling iterations : 0 sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE). fileModificationChecking : Monitoring run-time modified files using timeStampMaster (fileModificationSkew 10) allowSystemOperations : Allowing user-supplied system call operations // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // Create time Create mesh for time = 0 PISO: Operating solver in PISO mode Reading field p Reading physical velocity field U Note: only if voidfraction at boundary is 1, U is superficial velocity!!! Reading momentum exchange field Ksl Reading voidfraction field voidfraction = (Vgas/Vparticle) Creating density field rho Reading particle velocity field Us Reading/calculating face flux field phi Generating interstitial face flux field phiByVoidfraction Selecting incompressible transport model Newtonian Selecting turbulence model type laminar Selecting laminar stress model Stokes Creating finite volume options from "system/fvOptions" Reading g Selecting locateModel engine Selecting dataExchangeModel twoWayMPI Starting up LIGGGHTS for first time execution Executing input script '../DEM/in.liggghts_resume' LIGGGHTS (Version LIGGGHTS-PUBLIC 3.8.0, compiled 2025-03-07-11:53:23 by jurij, git commit 3d5c00f20519e6bb6eb6756f51f1ad36564e649d) log ../DEM/log.liggghts thermo_log ../DEM/post/thermo.txt atom_style granular atom_modify map array communicate single vel yes boundary f f f newton off units si processors 4 2 1 #read the restart file read_restart ../DEM/post/restart/liggghts.restart Reading restart file ... WARNING: Restart file version does not match LIGGGHTS version (../read_restart.cpp:507) --> restart file = Version LIGGGHTS-PUBLIC 3.8.0, compiled 2025-03-07-11:51:46 by jurij, git commit 3d5c00f20519e6bb6eb6756f51f1ad36564e649d --> LIGGGHTS = Version LIGGGHTS-PUBLIC 3.8.0, compiled 2025-03-07-11:53:23 by jurij, git commit 3d5c00f20519e6bb6eb6756f51f1ad36564e649d version 3 8 WARNING: Restart file used different 3d processor grid (../read_restart.cpp:587) orthogonal box = (-0.06 -0.003 -0.012) to (0.06 0.003 0.12) version 3 8 version 3 8 version 3 8 version 3 8 version 3 8 version 3 8 version 3 8 4 by 2 by 1 MPI processor grid 1000 atoms neighbor 0.0005 bin neigh_modify delay 0 # Material properties required for granular pair styles fix m1 all property/global youngsModulus peratomtype 5.e6 fix m2 all property/global poissonsRatio peratomtype 0.45 fix m3 all property/global coefficientRestitution peratomtypepair 1 0.3 fix m4 all property/global coefficientFriction peratomtypepair 1 0.5 #Material properties required for new pair styles # variable youngmod equal 5e6 # E-Modul [Pa] # variable poiss equal 0.45 # Poisson Ratio [] # variable cor equal 0.2 # Coefficent of Restitution [] # variable ff equal 0.7 # Particle Sliding Friction [] # variable wallfricW equal 0.465 # Particle Wall Friction [] # variable frf equal 0.3 # Particle Rolling Friction [] # variable dens equal 2500 # Particle Density kg/m3 #fix m1 all property/global youngsModulus peratomtype ${youngmod} ${youngmod} #fix m2 all property/global poissonsRatio peratomtype ${poiss} ${poiss} #fix m3 all property/global coefficientRestitution peratomtypepair 2 ${cor} ${cor} ${cor} ${cor} #fix m4 all property/global coefficientFriction peratomtypepair 2 ${ff} ${wallfricW} ${wallfricW} 0 #fix m5 all property/global coefficientRollingFriction peratomtypepair 2 ${ff} ${wallfricW} ${wallfricW} 0 #fix m6 all property/global cohesionEnergyDensity peratomtypepair 2 0 0 0 0 #pair style pair_style gran model hertz tangential history #Hertzian without cohesion pair_coeff * * #timestep, gravity timestep 1e-6 fix gravi all gravity 9.81 vector 0.0 0.0 -1.0 #walls #fix xwalls1 all wall/gran model hertz tangential history primitive type 1 xplane 0.0 #fix xwalls2 all wall/gran model hertz tangential history primitive type 1 xplane 0.4 #fix ywalls1 all wall/gran model hertz tangential history primitive type 1 yplane 0.0 #fix ywalls2 all wall/gran model hertz tangential history primitive type 1 yplane 0.1 #fix zwalls1 all wall/gran model hertz tangential history primitive type 1 zplane 0.0 #fix zwalls2 all wall/gran model hertz tangential history primitive type 1 zplane 0.1 #geometry fix wall all mesh/surface/stress file STL/chamber.stl type 1 INFO: mesh file (STL/chamber.stl) is required, but data will be taken from restart file (../fix_mesh.cpp:429) Resetting global state of Fix wall Style mesh/surface/stress from restart file info #cfd coupling fix cfd all couple/cfd couple_every 100 mpi couple_every as specified in LIGGGHTS is overriden by calling external program (../fix_cfd_coupling.cpp:114) fix cfd2 all couple/cfd/force/implicit #apply nve integration to all particles that are inserted as single particles fix integr all nve/sphere #center of mass compute centerOfMass all com #compute total dragforce compute dragtotal all reduce sum f_dragforce[1] f_dragforce[2] f_dragforce[3] #screen output compute 1 all erotate/sphere thermo_style custom step atoms ke c_1 vol c_centerOfMass[3] c_dragtotal[1] c_dragtotal[2] c_dragtotal[3] thermo 10 thermo_modify lost ignore norm no compute_modify thermo_temp dynamic yes WARNING: Changing thermo_temp compute object. This object is deprecated and will be removed in the future. (../compute.cpp:161) #insert the first particles so that dump is not empty dump myDump all stl 1 post/dump_*.stl #run 1 dump dmp all custom/vtk 1 ../DEM/post/dump_*.vtk id type type x y z vx vy vz fx fy fz f_dragforce[1] f_dragforce[2] f_dragforce[3] radius undump myDump run 0 Resetting global state of Fix contacthistory Style contacthistory from restart file info Resetting per-atom state of Fix contacthistory Style contacthistory from restart file info Setting up run at Mon Mar 24 23:13:19 2025 Import and parallelization of mesh wall containing 186554 triangle(s) successful Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10000 1000 3.8741378e-05 7.7012881e-06 9.504e-05 0.018360377 0 0 0 Loop time of 6.17325e-06 on 8 procs for 0 steps with 1000 atoms, finish time Mon Mar 24 23:13:20 2025 Pair time (%) = 0 (0) Neigh time (%) = 0 (0) Comm time (%) = 0 (0) Outpt time (%) = 0 (0) Other time (%) = 6.17325e-06 (100) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 91.125 ave 167 max 14 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.75 ave 1176 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4542 Ave neighs/atom = 4.542 Neighbor list builds = 0 Dangerous builds = 0 Selecting IOModel basicIO Selecting probeModel off Selecting voidFractionModel divided Selecting averagingModel dense Selecting clockModel off start clock measurement at t >1e-05 Selecting smoothingModel off Selecting meshMotionModel noMeshMotion CFDEMcoupling version: cfdem-3.8.1 , compatible to LIGGGHTS version: 3.8.0 , compatible to OF version and build: 5.x-commit-538044ac05c4672b37c7df607dca1116fa88df88 You are currently using: OF version: 5.x OF build: 5.x-7f7d351b741b CFDEM build: 3.8.0-6-g0c94034 cg is set to: 1 LIGGGHTS hosts 1 atom types. If BC are important, please provide volScalarFields -imp/expParticleForces- ignoring ddt(voidfraction) Selecting momCoupleModel implicitCouple implicit momentum exchange field calculate if alphaP larger than : 1 Selecting forceModel KochHillDrag Selecting forceSubModel ImEx reading switches: looking for treatForceExplicit ... not found in dict, using default. treatForceExplicit = false looking for implForceDEM ... not found in dict, using default. implForceDEM = false looking for verbose ... not found in dict, using default. verbose = false looking for interpolation ... found in dict. interpolation = true looking for implForceDEMaccumulated ... not found in dict, using default. implForceDEMaccumulated = false looking for scalarViscosity ... not found in dict, using default. scalarViscosity = false Selecting forceModel gradPForce Selecting forceSubModel ImEx reading switches: looking for treatForceExplicit ... not found in dict, using default. treatForceExplicit = true looking for verbose ... not found in dict, using default. verbose = false looking for interpolation ... found in dict. interpolation = true Selecting forceModel viscForce Selecting forceSubModel ImEx reading switches: looking for treatForceExplicit ... not found in dict, using default. treatForceExplicit = true looking for verbose ... not found in dict, using default. verbose = false looking for interpolation ... found in dict. interpolation = true looking for scalarViscosity ... not found in dict, using default. scalarViscosity = false Selecting liggghtsCommandModel runLiggghts ,provide dicts, numbered from 0 to n solving volume averaged Navier Stokes equations of type A check if Archimedes lift is necessary (depends on pressure formulation) Starting time loop Time = 5e-06 Courant Number mean: 0 max: 0 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:20 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10000 1000 3.8741378e-05 7.7012881e-06 9.504e-05 0.018360377 0 0 0 10005 1000 3.8739163e-05 7.6987636e-06 9.504e-05 0.018359991 0 0 0 Loop time of 0.0305336 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:20 2025 Pair time (%) = 0.000146557 (0.479988) Neigh time (%) = 0 (0) Comm time (%) = 0.000366055 (1.19886) Outpt time (%) = 0.00961378 (31.4859) Other time (%) = 0.0204072 (66.8352) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 91.125 ave 167 max 14 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.75 ave 1176 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4542 Ave neighs/atom = 4.542 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (8.72789e-07 6.35913e-07 -3.35051e-05) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 1, Final residual = 3.59803e-05, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 1, Final residual = 6.54375e-05, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 1, Final residual = 3.03762e-05, No Iterations 1 DICPCG: Solving for p, Initial residual = 1, Final residual = 0.0941653, No Iterations 16 time step continuity errors : sum local = 6.73569e-09, global = -8.28285e-12, cumulative = -8.28285e-12 DICPCG: Solving for p, Initial residual = 0.295594, Final residual = 0.0287142, No Iterations 3 time step continuity errors : sum local = 5.13056e-09, global = -8.28285e-12, cumulative = -1.65657e-11 DICPCG: Solving for p, Initial residual = 0.0598931, Final residual = 9.87723e-07, No Iterations 858 time step continuity errors : sum local = 2.03779e-13, global = -8.23954e-16, cumulative = -1.65665e-11 ExecutionTime = 11.13 s ClockTime = 11 s Time = 1e-05 Courant Number mean: 2.42396e-07 max: 0.0012719 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:23 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10005 1000 3.8739163e-05 7.6987636e-06 9.504e-05 0.018359991 -8.8222178e-07 -6.3982025e-07 3.3517183e-05 10010 1000 3.8736778e-05 7.6966607e-06 9.504e-05 0.018359605 -8.8222178e-07 -6.3982025e-07 3.3517183e-05 Loop time of 0.0353118 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:23 2025 Pair time (%) = 0.000138113 (0.391126) Neigh time (%) = 0 (0) Comm time (%) = 0.000235459 (0.666801) Outpt time (%) = 0.0103933 (29.4329) Other time (%) = 0.0245449 (69.5092) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 91.125 ave 168 max 14 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.625 ave 1176 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4541 Ave neighs/atom = 4.541 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (9.7958e-07 6.00021e-07 -3.24411e-05) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.262258, Final residual = 2.84153e-06, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.304598, Final residual = 3.21425e-06, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.0944055, Final residual = 8.10284e-07, No Iterations 1 DICPCG: Solving for p, Initial residual = 0.645253, Final residual = 0.0572465, No Iterations 3 time step continuity errors : sum local = 1.85734e-08, global = 1.47961e-11, cumulative = -1.77046e-12 DICPCG: Solving for p, Initial residual = 0.120598, Final residual = 0.0113579, No Iterations 13 time step continuity errors : sum local = 5.8392e-09, global = 1.55169e-11, cumulative = 1.37465e-11 DICPCG: Solving for p, Initial residual = 0.0540311, Final residual = 9.79036e-07, No Iterations 837 time step continuity errors : sum local = 5.23762e-13, global = 3.83732e-16, cumulative = 1.37469e-11 ExecutionTime = 13.35 s ClockTime = 13 s Time = 1.5e-05 Courant Number mean: 6.7632e-07 max: 0.00265528 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:25 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10010 1000 3.8736778e-05 7.6966607e-06 9.504e-05 0.018359605 5.5510928e-06 -1.3219414e-06 5.0423105e-05 10015 1000 3.8734298e-05 7.6949235e-06 9.504e-05 0.018359218 5.5510928e-06 -1.3219414e-06 5.0423105e-05 Loop time of 0.0307057 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:25 2025 Pair time (%) = 0.000146341 (0.476593) Neigh time (%) = 0 (0) Comm time (%) = 0.000235734 (0.767722) Outpt time (%) = 0.00817375 (26.6197) Other time (%) = 0.0221499 (72.136) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 90.875 ave 168 max 13 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.5 ave 1176 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4540 Ave neighs/atom = 4.54 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (1.03266e-06 5.83193e-07 -3.16604e-05) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.217293, Final residual = 3.78392e-06, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.256665, Final residual = 4.21002e-06, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.0912915, Final residual = 1.08292e-06, No Iterations 1 DICPCG: Solving for p, Initial residual = 0.224884, Final residual = 0.018342, No Iterations 4 time step continuity errors : sum local = 1.08759e-08, global = -1.29444e-11, cumulative = 8.02414e-13 DICPCG: Solving for p, Initial residual = 0.0764491, Final residual = 0.00732253, No Iterations 12 time step continuity errors : sum local = 4.61623e-09, global = -1.44199e-11, cumulative = -1.36174e-11 DICPCG: Solving for p, Initial residual = 0.0372368, Final residual = 9.76601e-07, No Iterations 833 time step continuity errors : sum local = 6.06599e-13, global = -3.3296e-15, cumulative = -1.36208e-11 ExecutionTime = 15.62 s ClockTime = 15 s Time = 2e-05 Courant Number mean: 1.01347e-06 max: 0.00284059 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:27 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10015 1000 3.8734298e-05 7.6949235e-06 9.504e-05 0.018359218 8.3481673e-06 -6.0927846e-06 7.0323549e-05 10020 1000 3.8731478e-05 7.6932123e-06 9.504e-05 0.018358832 8.3481673e-06 -6.0927846e-06 7.0323549e-05 Loop time of 0.0373585 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:27 2025 Pair time (%) = 0.000176745 (0.473105) Neigh time (%) = 0 (0) Comm time (%) = 0.000214041 (0.572939) Outpt time (%) = 0.0114583 (30.6713) Other time (%) = 0.0255093 (68.2826) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 91 ave 168 max 13 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.5 ave 1175 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4540 Ave neighs/atom = 4.54 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (9.25431e-07 5.7596e-07 -3.10099e-05) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.124703, Final residual = 2.00189e-06, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.153353, Final residual = 2.51371e-06, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.047993, Final residual = 6.49258e-07, No Iterations 1 DICPCG: Solving for p, Initial residual = 0.178184, Final residual = 0.0117129, No Iterations 3 time step continuity errors : sum local = 7.33958e-09, global = 3.64654e-12, cumulative = -9.97423e-12 DICPCG: Solving for p, Initial residual = 0.0509881, Final residual = 0.00377497, No Iterations 5 time step continuity errors : sum local = 2.37466e-09, global = 5.54266e-12, cumulative = -4.43157e-12 DICPCG: Solving for p, Initial residual = 0.0168356, Final residual = 9.56577e-07, No Iterations 828 time step continuity errors : sum local = 6.00417e-13, global = 1.13896e-15, cumulative = -4.43043e-12 ExecutionTime = 17.9 s ClockTime = 18 s Time = 2.5e-05 Courant Number mean: 1.33215e-06 max: 0.00356583 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:30 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10020 1000 3.8731478e-05 7.6932123e-06 9.504e-05 0.018358832 6.3210187e-06 -4.6739533e-06 6.1234555e-05 10025 1000 3.8728644e-05 7.6916918e-06 9.504e-05 0.018358445 6.3210187e-06 -4.6739533e-06 6.1234555e-05 Loop time of 0.0381602 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:30 2025 Pair time (%) = 0.000180729 (0.473607) Neigh time (%) = 0 (0) Comm time (%) = 0.000308657 (0.808846) Outpt time (%) = 0.0109275 (28.6358) Other time (%) = 0.0267433 (70.0817) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 91 ave 168 max 13 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.5 ave 1175 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4540 Ave neighs/atom = 4.54 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (9.25242e-07 5.51654e-07 -3.03462e-05) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.104223, Final residual = 1.95592e-06, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.120051, Final residual = 1.61122e-06, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.0409448, Final residual = 5.11531e-07, No Iterations 1 DICPCG: Solving for p, Initial residual = 0.122151, Final residual = 0.00973683, No Iterations 3 time step continuity errors : sum local = 6.43823e-09, global = 2.11927e-13, cumulative = -4.2185e-12 DICPCG: Solving for p, Initial residual = 0.0394607, Final residual = 0.00355033, No Iterations 4 time step continuity errors : sum local = 2.45694e-09, global = -8.38727e-13, cumulative = -5.05723e-12 DICPCG: Solving for p, Initial residual = 0.0151745, Final residual = 9.73575e-07, No Iterations 788 time step continuity errors : sum local = 6.73952e-13, global = 2.95546e-15, cumulative = -5.05427e-12 ExecutionTime = 19.89 s ClockTime = 20 s Time = 3e-05 Courant Number mean: 1.64472e-06 max: 0.00915965 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:32 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10025 1000 3.8728644e-05 7.6916918e-06 9.504e-05 0.018358445 1.1039969e-05 -4.6901346e-06 6.3397305e-05 10030 1000 3.8725663e-05 7.6895334e-06 9.504e-05 0.018358058 1.1039969e-05 -4.6901346e-06 6.3397305e-05 Loop time of 0.0419511 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:32 2025 Pair time (%) = 0.000170712 (0.40693) Neigh time (%) = 0 (0) Comm time (%) = 0.000268694 (0.640494) Outpt time (%) = 0.0122935 (29.3044) Other time (%) = 0.0292182 (69.6482) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 91 ave 168 max 13 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.625 ave 1176 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4541 Ave neighs/atom = 4.541 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (9.52017e-07 5.25101e-07 -2.98179e-05) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.0848534, Final residual = 1.48395e-06, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.0987838, Final residual = 1.71516e-06, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.0331173, Final residual = 4.93421e-07, No Iterations 1 DICPCG: Solving for p, Initial residual = 0.118215, Final residual = 0.00939236, No Iterations 4 time step continuity errors : sum local = 6.8244e-09, global = -3.64324e-12, cumulative = -8.69752e-12 DICPCG: Solving for p, Initial residual = 0.0524883, Final residual = 0.00432627, No Iterations 3 time step continuity errors : sum local = 3.2598e-09, global = -3.46257e-12, cumulative = -1.21601e-11 DICPCG: Solving for p, Initial residual = 0.0263329, Final residual = 9.52711e-07, No Iterations 813 time step continuity errors : sum local = 7.21451e-13, global = -4.98768e-15, cumulative = -1.21651e-11 ExecutionTime = 21.74 s ClockTime = 22 s Time = 3.5e-05 Courant Number mean: 1.94754e-06 max: 0.0404881 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:34 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10030 1000 3.8725663e-05 7.6895334e-06 9.504e-05 0.018358058 6.7375342e-06 -4.0056627e-06 6.064907e-05 10035 1000 3.8722402e-05 7.6877983e-06 9.504e-05 0.01835767 6.7375342e-06 -4.0056627e-06 6.064907e-05 Loop time of 0.0290681 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:34 2025 Pair time (%) = 0.000112455 (0.386868) Neigh time (%) = 0 (0) Comm time (%) = 0.000172955 (0.595001) Outpt time (%) = 0.0094993 (32.6795) Other time (%) = 0.0192834 (66.3386) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 91 ave 168 max 13 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.625 ave 1176 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4541 Ave neighs/atom = 4.541 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (8.61768e-07 5.15965e-07 -2.92943e-05) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.0721477, Final residual = 4.47397e-06, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.0854976, Final residual = 1.43508e-05, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.0286633, Final residual = 1.58342e-06, No Iterations 1 DICPCG: Solving for p, Initial residual = 0.220141, Final residual = 0.0206609, No Iterations 3 time step continuity errors : sum local = 1.81667e-08, global = 8.15575e-12, cumulative = -4.00932e-12 DICPCG: Solving for p, Initial residual = 0.107911, Final residual = 0.0105329, No Iterations 2 time step continuity errors : sum local = 9.50748e-09, global = 7.99262e-12, cumulative = 3.9833e-12 DICPCG: Solving for p, Initial residual = 0.0741505, Final residual = 9.89657e-07, No Iterations 759 time step continuity errors : sum local = 9.10973e-13, global = -1.48202e-15, cumulative = 3.98182e-12 ExecutionTime = 23.46 s ClockTime = 23 s Time = 4e-05 Courant Number mean: 2.26643e-06 max: 0.200019 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:35 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10035 1000 3.8722402e-05 7.6877983e-06 9.504e-05 0.01835767 9.1885098e-06 -6.5276523e-06 6.1681924e-05 10040 1000 3.8719075e-05 7.6874499e-06 9.504e-05 0.018357283 9.1885098e-06 -6.5276523e-06 6.1681924e-05 Loop time of 0.0291998 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:35 2025 Pair time (%) = 0.000118645 (0.406323) Neigh time (%) = 0 (0) Comm time (%) = 0.000121342 (0.41556) Outpt time (%) = 0.00864067 (29.5915) Other time (%) = 0.0203191 (69.5866) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 91 ave 168 max 13 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.75 ave 1177 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4542 Ave neighs/atom = 4.542 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (8.75421e-07 5.19241e-07 -2.88906e-05) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.072323, Final residual = 8.71842e-06, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.0777338, Final residual = 4.39459e-06, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.0275443, Final residual = 1.07451e-06, No Iterations 1 DICPCG: Solving for p, Initial residual = 0.294966, Final residual = 0.0250104, No Iterations 6 time step continuity errors : sum local = 2.56556e-08, global = -5.96526e-12, cumulative = -1.98344e-12 DICPCG: Solving for p, Initial residual = 0.277682, Final residual = 0.021993, No Iterations 2 time step continuity errors : sum local = 2.92948e-08, global = -5.68996e-12, cumulative = -7.6734e-12 DICPCG: Solving for p, Initial residual = 0.214794, Final residual = 9.9704e-07, No Iterations 845 time step continuity errors : sum local = 1.45006e-12, global = 4.35404e-15, cumulative = -7.66905e-12 ExecutionTime = 25.42 s ClockTime = 25 s Time = 4.5e-05 Courant Number mean: 2.69463e-06 max: 1.03435 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:37 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10040 1000 3.8719075e-05 7.6874499e-06 9.504e-05 0.018357283 1.1133108e-05 -3.7007508e-06 6.2192532e-05 10045 1000 3.871524e-05 7.6869911e-06 9.504e-05 0.018356895 1.1133108e-05 -3.7007508e-06 6.2192532e-05 Loop time of 0.0308626 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:37 2025 Pair time (%) = 0.000172789 (0.559864) Neigh time (%) = 0 (0) Comm time (%) = 0.000283543 (0.918728) Outpt time (%) = 0.00974428 (31.5731) Other time (%) = 0.020662 (66.9483) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 91 ave 168 max 13 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.5 ave 1177 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4540 Ave neighs/atom = 4.54 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (1.02252e-06 5.07257e-07 -2.8607e-05) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.0802832, Final residual = 2.21824e-05, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.11416, Final residual = 4.59925e-05, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.0333565, Final residual = 8.68919e-06, No Iterations 1 DICPCG: Solving for p, Initial residual = 0.492988, Final residual = 0.0402818, No Iterations 5 time step continuity errors : sum local = 6.78522e-08, global = -4.16711e-13, cumulative = -8.08576e-12 DICPCG: Solving for p, Initial residual = 0.579214, Final residual = 0.0363391, No Iterations 2 time step continuity errors : sum local = 8.77178e-08, global = -6.88948e-13, cumulative = -8.77471e-12 DICPCG: Solving for p, Initial residual = 0.549092, Final residual = 9.93116e-07, No Iterations 839 time step continuity errors : sum local = 2.70121e-12, global = -2.9227e-14, cumulative = -8.80394e-12 ExecutionTime = 27.55 s ClockTime = 27 s Time = 5e-05 Courant Number mean: 3.23494e-06 max: 7.70159 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:39 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10045 1000 3.871524e-05 7.6869911e-06 9.504e-05 0.018356895 -1.1190051e-05 2.0368876e-05 6.1379293e-05 10050 1000 3.8711004e-05 7.6866108e-06 9.504e-05 0.018356507 -1.1190051e-05 2.0368876e-05 6.1379293e-05 Loop time of 0.0269258 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:39 2025 Pair time (%) = 9.17046e-05 (0.340583) Neigh time (%) = 0 (0) Comm time (%) = 0.00011776 (0.43735) Outpt time (%) = 0.00867754 (32.2277) Other time (%) = 0.0180387 (66.9944) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 90.75 ave 168 max 12 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.125 ave 1176 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4537 Ave neighs/atom = 4.537 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (1.02428e-06 5.00358e-07 -2.83494e-05) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.0336616, Final residual = 0.000388449, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.0909952, Final residual = 3.79882e-05, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.0257869, Final residual = 3.49955e-05, No Iterations 1 DICPCG: Solving for p, Initial residual = 0.772072, Final residual = 0.0725259, No Iterations 4 time step continuity errors : sum local = 2.9405e-07, global = 3.14891e-12, cumulative = -5.65502e-12 DICPCG: Solving for p, Initial residual = 0.855639, Final residual = 0.039883, No Iterations 2 time step continuity errors : sum local = 3.7248e-07, global = 3.15638e-12, cumulative = -2.49864e-12 DICPCG: Solving for p, Initial residual = 0.879496, Final residual = 9.57103e-07, No Iterations 834 time step continuity errors : sum local = 1.48491e-11, global = 1.0694e-13, cumulative = -2.3917e-12 ExecutionTime = 29.33 s ClockTime = 29 s Time = 5.5e-05 Courant Number mean: 8.19477e-06 max: 304.967 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:41 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10050 1000 3.8711004e-05 7.6866108e-06 9.504e-05 0.018356507 1.8869844e-05 -6.6709292e-06 6.6291575e-05 10055 1000 3.8706717e-05 7.6861691e-06 9.504e-05 0.018356118 1.8869844e-05 -6.6709292e-06 6.6291575e-05 Loop time of 0.0243154 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:41 2025 Pair time (%) = 0.000110336 (0.45377) Neigh time (%) = 0 (0) Comm time (%) = 0.000151936 (0.624854) Outpt time (%) = 0.00724611 (29.8005) Other time (%) = 0.016807 (69.1209) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 90.875 ave 168 max 12 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.375 ave 1176 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4539 Ave neighs/atom = 4.539 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (1.05448e-06 4.38601e-07 -2.808e-05) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.0406006, Final residual = 0.000639523, No Iterations 2 DILUPBiCG: Solving for Uy, Initial residual = 0.0753162, Final residual = 0.00460139, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.0308015, Final residual = 0.00147886, No Iterations 1 DICPCG: Solving for p, Initial residual = 0.945301, Final residual = 0.0840479, No Iterations 5 time step continuity errors : sum local = 2.14012e-06, global = -7.43156e-13, cumulative = -3.13486e-12 DICPCG: Solving for p, Initial residual = 0.957446, Final residual = 0.0840714, No Iterations 2 time step continuity errors : sum local = 1.17057e-05, global = -6.46528e-13, cumulative = -3.78138e-12 DICPCG: Solving for p, Initial residual = 0.970007, Final residual = 9.96149e-07, No Iterations 850 time step continuity errors : sum local = 4.0352e-10, global = 3.10016e-12, cumulative = -6.81222e-13 ExecutionTime = 31.04 s ClockTime = 31 s Time = 6e-05 Courant Number mean: 0.000241993 max: 11413.2 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:43 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10055 1000 3.8706717e-05 7.6861691e-06 9.504e-05 0.018356118 -4.2997695e-05 8.3348401e-05 4.358412e-05 10060 1000 3.8702902e-05 7.685881e-06 9.504e-05 0.01835573 -4.2997695e-05 8.3348401e-05 4.358412e-05 Loop time of 0.0211852 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:43 2025 Pair time (%) = 9.54615e-05 (0.450605) Neigh time (%) = 0 (0) Comm time (%) = 0.000120874 (0.570561) Outpt time (%) = 0.00635273 (29.9867) Other time (%) = 0.0146161 (68.9922) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 90.875 ave 168 max 12 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.625 ave 1176 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4541 Ave neighs/atom = 4.541 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (-1.81097e-06 -6.9921e-06 -2.05534e-05) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.48182, Final residual = 0.0232608, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.421984, Final residual = 0.0395908, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.273048, Final residual = 0.0252728, No Iterations 1 DICPCG: Solving for p, Initial residual = 0.97149, Final residual = 0.0758379, No Iterations 10 time step continuity errors : sum local = 3.93666e-05, global = 6.51897e-12, cumulative = 5.83775e-12 DICPCG: Solving for p, Initial residual = 0.914126, Final residual = 0.0623091, No Iterations 8 time step continuity errors : sum local = 0.000262873, global = 6.04783e-12, cumulative = 1.18856e-11 DICPCG: Solving for p, Initial residual = 0.956326, Final residual = 9.56626e-07, No Iterations 867 time step continuity errors : sum local = 1.45017e-08, global = -7.37774e-11, cumulative = -6.18918e-11 ExecutionTime = 32.87 s ClockTime = 33 s Time = 6.5e-05 Courant Number mean: 0.0100645 max: 308229 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:45 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10060 1000 3.8702902e-05 7.685881e-06 9.504e-05 0.01835573 7.4132676e-05 0.001418892 3.97884e-05 10065 1000 3.8698597e-05 7.6854842e-06 9.504e-05 0.018355341 7.4132676e-05 0.001418892 3.97884e-05 Loop time of 0.0218291 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:45 2025 Pair time (%) = 0.000100538 (0.460571) Neigh time (%) = 0 (0) Comm time (%) = 0.000111612 (0.5113) Outpt time (%) = 0.00651284 (29.8356) Other time (%) = 0.0151041 (69.1925) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 90.875 ave 168 max 12 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.625 ave 1175 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4541 Ave neighs/atom = 4.541 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (-0.0528147 0.0475006 -0.133084) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.542942, Final residual = 0.0489644, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.427378, Final residual = 0.0356774, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.389722, Final residual = 0.0255929, No Iterations 2 DICPCG: Solving for p, Initial residual = 0.961206, Final residual = 0.0691887, No Iterations 7 time step continuity errors : sum local = 0.00120433, global = -2.33989e-10, cumulative = -2.95881e-10 DICPCG: Solving for p, Initial residual = 0.276007, Final residual = 0.0191469, No Iterations 5 time step continuity errors : sum local = 0.00762976, global = -2.36346e-10, cumulative = -5.32227e-10 DICPCG: Solving for p, Initial residual = 0.776058, Final residual = 9.84661e-07, No Iterations 827 time step continuity errors : sum local = 3.27734e-07, global = 1.27614e-09, cumulative = 7.43912e-10 ExecutionTime = 34.56 s ClockTime = 34 s Time = 7e-05 Courant Number mean: 0.14228 max: 2.84256e+06 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:46 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10065 1000 3.8698597e-05 7.6854842e-06 9.504e-05 0.018355341 0.96565636 0.28306103 0.025454299 10070 1000 4.8794188e-05 7.6774848e-06 9.504e-05 0.018354952 0.96565636 0.28306103 0.025454299 Loop time of 0.0267306 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:46 2025 Pair time (%) = 9.65201e-05 (0.361085) Neigh time (%) = 0 (0) Comm time (%) = 0.00011789 (0.44103) Outpt time (%) = 0.00774536 (28.9757) Other time (%) = 0.0187708 (70.2222) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 90.875 ave 168 max 12 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 567.5 ave 1174 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4540 Ave neighs/atom = 4.54 Neighbor list builds = 0 Dangerous builds = 0 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (-10.9053 2.54587 4.69855) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.495535, Final residual = 0.00963824, No Iterations 2 DILUPBiCG: Solving for Uy, Initial residual = 0.458093, Final residual = 0.0190401, No Iterations 2 DILUPBiCG: Solving for Uz, Initial residual = 0.384992, Final residual = 0.0142144, No Iterations 2 DICPCG: Solving for p, Initial residual = 0.378839, Final residual = 0.0358873, No Iterations 6 time step continuity errors : sum local = 0.0331999, global = 3.46142e-09, cumulative = 4.20533e-09 DICPCG: Solving for p, Initial residual = 0.275815, Final residual = 0.0270257, No Iterations 2 time step continuity errors : sum local = 0.186463, global = 3.45208e-09, cumulative = 7.65741e-09 DICPCG: Solving for p, Initial residual = 0.151169, Final residual = 9.81202e-07, No Iterations 472 time step continuity errors : sum local = 4.13024e-05, global = -2.96928e-07, cumulative = -2.89271e-07 ExecutionTime = 35.66 s ClockTime = 35 s Time = 7.5e-05 Courant Number mean: 2.91591 max: 8.15139e+07 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:47 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10070 1000 4.8794188e-05 7.6774848e-06 9.504e-05 0.018354952 140.41727 3.1655883 -123.94531 10075 1000 0.38573869 5.7479382e-05 9.504e-05 0.018353084 140.41727 3.1655883 -123.94531 Loop time of 0.0292178 on 8 procs for 5 steps with 1000 atoms, finish time Mon Mar 24 23:13:47 2025 Pair time (%) = 9.31547e-05 (0.318828) Neigh time (%) = 0.000610167 (2.08834) Comm time (%) = 0.000250207 (0.856349) Outpt time (%) = 0.00897641 (30.7224) Other time (%) = 0.0192879 (66.0141) Nlocal: 125 ave 242 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 90.625 ave 168 max 12 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 566.125 ave 1171 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4529 Ave neighs/atom = 4.529 Neighbor list builds = 4 Dangerous builds = 3 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (-21.7954 133.795 21.4353) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.661844, Final residual = 0.0623536, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.643238, Final residual = 0.00327721, No Iterations 3 DILUPBiCG: Solving for Uz, Initial residual = 0.589173, Final residual = 0.0318083, No Iterations 2 DICPCG: Solving for p, Initial residual = 0.13577, Final residual = 0.0105727, No Iterations 3 time step continuity errors : sum local = 1.93708, global = -7.12212e-07, cumulative = -1.00148e-06 DICPCG: Solving for p, Initial residual = 0.142882, Final residual = 0.00247084, No Iterations 2 time step continuity errors : sum local = 26.597, global = -7.07596e-07, cumulative = -1.70908e-06 DICPCG: Solving for p, Initial residual = 0.808779, Final residual = 9.80638e-07, No Iterations 111 time step continuity errors : sum local = 0.0322252, global = -2.4176e-06, cumulative = -4.12668e-06 ExecutionTime = 36.19 s ClockTime = 36 s Time = 8e-05 Courant Number mean: 93.3764 max: 8.52734e+08 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:48 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10075 1000 0.38573869 5.7479382e-05 9.504e-05 0.018353084 -438.62787 1677.6069 2799.2202 10080 996 18.585092 0.0090671902 9.504e-05 0.018280804 996.55603 215.24814 -54.08252 Loop time of 0.0226059 on 8 procs for 5 steps with 996 atoms, finish time Mon Mar 24 23:13:48 2025 Pair time (%) = 7.51595e-05 (0.332478) Neigh time (%) = 0.000697033 (3.08341) Comm time (%) = 0.000295946 (1.30916) Outpt time (%) = 0.00631757 (27.9466) Other time (%) = 0.0152202 (67.3284) Nlocal: 124.5 ave 239 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Nghost: 90.375 ave 168 max 13 min Histogram: 4 0 0 0 0 0 0 0 0 4 Neighs: 564.125 ave 1165 max 10 min Histogram: 4 0 0 0 0 0 0 0 0 4 Total # of neighbors = 4513 Ave neighs/atom = 4.53112 Neighbor list builds = 5 Dangerous builds = 5 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (-559861 1.15159e+06 1.33654e+06) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.41264, Final residual = 0.0102952, No Iterations 2 DILUPBiCG: Solving for Uy, Initial residual = 0.579285, Final residual = 0.0208733, No Iterations 2 DILUPBiCG: Solving for Uz, Initial residual = 0.520628, Final residual = 0.0147756, No Iterations 2 DICPCG: Solving for p, Initial residual = 0.830421, Final residual = 0.00487294, No Iterations 3 time step continuity errors : sum local = 45.5512, global = -5.0532e-06, cumulative = -9.17988e-06 DICPCG: Solving for p, Initial residual = 0.0401417, Final residual = 9.16274e-05, No Iterations 1 time step continuity errors : sum local = 215.706, global = -5.01973e-06, cumulative = -1.41996e-05 DICPCG: Solving for p, Initial residual = 0.177452, Final residual = 9.62692e-07, No Iterations 60 time step continuity errors : sum local = 2.95715, global = -5.33793e-06, cumulative = -1.95375e-05 ExecutionTime = 36.62 s ClockTime = 36 s Time = 8.5e-05 Courant Number mean: 717.067 max: 1.44529e+10 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:48 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10080 996 18.585092 0.0090671902 9.504e-05 0.018354221 1197381.7 -2352902.8 -4309074.6 10085 822 514.38451 0.19241543 9.504e-05 0.015438328 -15348.319 5045.7919 17380.35 Loop time of 0.0272892 on 8 procs for 5 steps with 822 atoms, finish time Mon Mar 24 23:13:48 2025 Pair time (%) = 7.79038e-05 (0.285475) Neigh time (%) = 0.000635227 (2.32776) Comm time (%) = 0.000370052 (1.35604) Outpt time (%) = 0.00798682 (29.2674) Other time (%) = 0.0182192 (66.7634) Nlocal: 102.75 ave 239 max 10 min Histogram: 4 0 0 0 0 1 1 0 0 2 Nghost: 74.25 ave 167 max 12 min Histogram: 4 0 0 0 0 2 0 0 0 2 Neighs: 428 ave 1101 max 10 min Histogram: 4 0 0 0 0 2 0 0 0 2 Total # of neighbors = 3424 Ave neighs/atom = 4.16545 Neighbor list builds = 5 Dangerous builds = 5 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (-311655 73120.7 -118553) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.664937, Final residual = 0.0631017, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.52529, Final residual = 0.0318603, No Iterations 2 DILUPBiCG: Solving for Uz, Initial residual = 0.536293, Final residual = 0.0355959, No Iterations 2 DICPCG: Solving for p, Initial residual = 0.608043, Final residual = 0.00191569, No Iterations 1 time step continuity errors : sum local = 18697.9, global = 0.000176122, cumulative = 0.000156585 DICPCG: Solving for p, Initial residual = 0.967386, Final residual = 2.16915e-06, No Iterations 1 time step continuity errors : sum local = 76483.5, global = 0.000176126, cumulative = 0.000332711 DICPCG: Solving for p, Initial residual = 0.488868, Final residual = 9.44549e-07, No Iterations 832 time step continuity errors : sum local = 136133, global = 2070.33, cumulative = 2070.33 ExecutionTime = 38.3 s ClockTime = 38 s Time = 9e-05 Courant Number mean: 9.10501e+08 max: 5.02001e+16 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:50 2025 Memory usage per processor = 4.72041 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10085 822 514.38451 0.19241543 9.504e-05 0.018706295 720908.17 -77614.235 186771.95 10090 638 1465.5075 0.35995788 9.504e-05 0.014589171 45566.53 7035.7834 19807.512 Loop time of 0.021582 on 8 procs for 5 steps with 638 atoms, finish time Mon Mar 24 23:13:50 2025 Pair time (%) = 7.95445e-05 (0.368569) Neigh time (%) = 0.00058552 (2.71301) Comm time (%) = 0.000433723 (2.00965) Outpt time (%) = 0.00508593 (23.5656) Other time (%) = 0.0153973 (71.3431) Nlocal: 79.75 ave 228 max 4 min Histogram: 4 0 0 1 1 0 0 1 0 1 Nghost: 56.375 ave 134 max 4 min Histogram: 2 2 0 0 2 0 0 0 0 2 Neighs: 319.75 ave 1018 max 0 min Histogram: 4 0 0 2 0 0 0 1 0 1 Total # of neighbors = 2558 Ave neighs/atom = 4.0094 Neighbor list builds = 5 Dangerous builds = 5 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (-2.05406e+14 2.30495e+12 4.09848e+13) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.666183, Final residual = 0.00718186, No Iterations 2 DILUPBiCG: Solving for Uy, Initial residual = 0.696975, Final residual = 0.00815182, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.659294, Final residual = 0.0556017, No Iterations 1 DICPCG: Solving for p, Initial residual = 1, Final residual = 0.0301167, No Iterations 2 time step continuity errors : sum local = 1.06451e+13, global = 2052.31, cumulative = 4122.64 DICPCG: Solving for p, Initial residual = 1, Final residual = 9.74489e-14, No Iterations 1 time step continuity errors : sum local = 2.21585e+09, global = 1992.76, cumulative = 6115.4 DICPCG: Solving for p, Initial residual = 0.782635, Final residual = 3.64429e-07, No Iterations 42 time step continuity errors : sum local = 8.60566e+16, global = 1554.5, cumulative = 7669.9 ExecutionTime = 38.69 s ClockTime = 38 s Time = 9.5e-05 Courant Number mean: 7.14729e+16 max: 2.70463e+25 Coupling... Starting up LIGGGHTS Executing command: 'run 5 ' run 5 Setting up run at Mon Mar 24 23:13:50 2025 Memory usage per processor = 4.72056 Mbytes Step Atoms KinEng 1 Volume centerOf dragtota dragtota dragtota 10090 638 1465.5075 0.35995788 9.504e-05 0.018796706 3.0881274e+18 -6.3942988e+17 -1.01574e+18 10095 5 9.3653417 0.00046307092 9.504e-05 7.6261499e-05 0 0 0 Loop time of 0.00650802 on 8 procs for 5 steps with 5 atoms, finish time Mon Mar 24 23:13:50 2025 Pair time (%) = 1.3927e-05 (0.213998) Neigh time (%) = 0.000274754 (4.22178) Comm time (%) = 0.000290362 (4.4616) Outpt time (%) = 0.00169017 (25.9706) Other time (%) = 0.00423881 (65.1321) Nlocal: 0.625 ave 2 max 0 min Histogram: 4 0 0 0 0 3 0 0 0 1 Nghost: 0.625 ave 2 max 0 min Histogram: 4 0 0 0 0 3 0 0 0 1 Neighs: 0 ave 0 max 0 min Histogram: 8 0 0 0 0 0 0 0 0 0 Total # of neighbors = 0 Ave neighs/atom = 0 Neighbor list builds = 5 Dangerous builds = 5 LIGGGHTS finished timeStepFraction() = 1 Solver level total Eulerian momentum exchange: TotalForceImp: (385200 518182 -184167) Warning, these values are based on latest Ksl and Us but prev. iteration U! DILUPBiCG: Solving for Ux, Initial residual = 0.706638, Final residual = 0.000388845, No Iterations 1 DILUPBiCG: Solving for Uy, Initial residual = 0.706638, Final residual = 0.00039901, No Iterations 1 DILUPBiCG: Solving for Uz, Initial residual = 0.706638, Final residual = 0.000408049, No Iterations 1 [4] #0 Foam::error::printStack(Foam::Ostream&)[6] #0 Foam::error::printStack(Foam::Ostream&) at ??:? at ??:? [6] #1 Foam::sigFpe::sigHandler(int)[4] #1 Foam::sigFpe::sigHandler(int) at ??:? [4] #2 ? at ??:? [6] #2 ? in "/lib/x86_64-linux-gnu/libpthread.so.0" in "/lib/x86_64-linux-gnu/libpthread.so.0" [4] #3 Foam::divide(Foam::Field&, double const&, Foam::UList const&)[6] #3 Foam::divide(Foam::Field&, double const&, Foam::UList const&) at ??:? [4] #4 Foam::tmp > Foam::operator/(Foam::dimensioned const&, Foam::tmp > const&) at ??:? [6] #4 Foam::tmp > Foam::operator/(Foam::dimensioned const&, Foam::tmp > const&) in "/home/jurij/CFDEM/CFDEMcoupling-PUBLIC-5.x/platforms/linux64GccDPInt32Opt/bin/cfdemSolverPiso" [4] #5 ? in "/home/jurij/CFDEM/CFDEMcoupling-PUBLIC-5.x/platforms/linux64GccDPInt32Opt/bin/cfdemSolverPiso" [6] #5 in "/home/jurij/CFDEM/CFDEMcoupling-PUBLIC-5.x/platforms/linux64GccDPInt32Opt/bin/cfdemSolverPiso" [4] #6 __libc_start_main? in "/lib/x86_64-linux-gnu/libc.so.6" [4] #7 in "/home/jurij/CFDEM/CFDEMcoupling-PUBLIC-5.x/platforms/linux64GccDPInt32Opt/bin/cfdemSolverPiso" [6] #6 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" ?[6] #7 ? in "/home/jurij/CFDEM/CFDEMcoupling-PUBLIC-5.x/platforms/linux64GccDPInt32Opt/bin/cfdemSolverPiso" [DESKTOP-SP226IL:3634640] *** Process received signal *** [DESKTOP-SP226IL:3634640] Signal: Floating point exception (8) [DESKTOP-SP226IL:3634640] Signal code: (-6) [DESKTOP-SP226IL:3634640] Failing at address: 0x3e8003775d0 [DESKTOP-SP226IL:3634640] [ 0] /lib/x86_64-linux-gnu/libpthread.so.0(+0x14420)[0x7fb1cace9420] [DESKTOP-SP226IL:3634640] [ 1] /lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcb)[0x7fb1cace92ab] [DESKTOP-SP226IL:3634640] [ 2] /lib/x86_64-linux-gnu/libpthread.so.0(+0x14420)[0x7fb1cace9420] [DESKTOP-SP226IL:3634640] [ 3] /home/jurij/OpenFOAM/OpenFOAM-5.x/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so(_ZN4Foam6divideERNS_5FieldIdEERKdRKNS_5UListIdEE+0xaf)[0x7fb1cb71891f] [DESKTOP-SP226IL:3634640] [ 4] cfdemSolverPiso(_ZN4FoamdvINS_12fvPatchFieldENS_7volMeshEEENS_3tmpINS_14GeometricFieldIdT_T0_EEEERKNS_11dimensionedIdEERKS8_+0x375)[0x55b38f900f35] [DESKTOP-SP226IL:3634640] [ 5] cfdemSolverPiso(+0x2e14a)[0x55b38f8a614a] [DESKTOP-SP226IL:3634640] [ 6] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0x7fb1cab07083] [DESKTOP-SP226IL:3634640] [ 7] cfdemSolverPiso(+0x3125e)[0x55b38f8a925e] [DESKTOP-SP226IL:3634640] *** End of error message *** in "/home/jurij/CFDEM/CFDEMcoupling-PUBLIC-5.x/platforms/linux64GccDPInt32Opt/bin/cfdemSolverPiso" [DESKTOP-SP226IL:3634642] *** Process received signal *** [DESKTOP-SP226IL:3634642] Signal: Floating point exception (8) [DESKTOP-SP226IL:3634642] Signal code: (-6) [DESKTOP-SP226IL:3634642] Failing at address: 0x3e8003775d2 [DESKTOP-SP226IL:3634642] [ 0] /lib/x86_64-linux-gnu/libpthread.so.0(+0x14420)[0x7fcf0b2d1420] [DESKTOP-SP226IL:3634642] [ 1] /lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcb)[0x7fcf0b2d12ab] [DESKTOP-SP226IL:3634642] [ 2] /lib/x86_64-linux-gnu/libpthread.so.0(+0x14420)[0x7fcf0b2d1420] [DESKTOP-SP226IL:3634642] [ 3] /home/jurij/OpenFOAM/OpenFOAM-5.x/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so(_ZN4Foam6divideERNS_5FieldIdEERKdRKNS_5UListIdEE+0xaf)[0x7fcf0bd0091f] [DESKTOP-SP226IL:3634642] [ 4] cfdemSolverPiso(_ZN4FoamdvINS_12fvPatchFieldENS_7volMeshEEENS_3tmpINS_14GeometricFieldIdT_T0_EEEERKNS_11dimensionedIdEERKS8_+0x302)[0x55808e9c1ec2] [DESKTOP-SP226IL:3634642] [ 5] cfdemSolverPiso(+0x2e14a)[0x55808e96714a] [DESKTOP-SP226IL:3634642] [ 6] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0x7fcf0b0ef083] [DESKTOP-SP226IL:3634642] [ 7] cfdemSolverPiso(+0x3125e)[0x55808e96a25e] [DESKTOP-SP226IL:3634642] *** End of error message *** -------------------------------------------------------------------------- Primary job terminated normally, but 1 process returned a non-zero exit code. Per user-direction, the job has been aborted. -------------------------------------------------------------------------- -------------------------------------------------------------------------- mpirun noticed that process rank 4 with PID 0 on node DESKTOP-SP226IL exited on signal 8 (Floating point exception). --------------------------------------------------------------------------