[ebtedaei]

Dear All,

I want to simulate cyclone separator by MPPICFoam solver. In the first I run CYCLONE example of tutorials of OPenFOAM version 4 but it was not run!!! why??

/*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 4.0 |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
Build : 4.0-665f1db4c1f1
Exec : MPPICFoam -parallel
Date : Oct 16 2016
Time : 18:35:19
Host : "DNCO"
PID : 3463
Case : /home/dadehnegar/Desktop/cyclone
nProcs : 4
Slaves :
3
(
"DNCO.3464"
"DNCO.3465"
"DNCO.3466"
)

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
allowSystemOperations : Allowing user-supplied system call operations

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Create time

Create mesh for time = 0


PIMPLE: Operating solver in PISO mode


Reading g
Reading field U

Reading field p

Reading/calculating continuous-phase face flux field phic

Creating turbulence model

Selecting incompressible transport model Newtonian
Creating field alphac

Constructing kinematicCloud kinematicCloud
Constructing particle forces
Selecting particle force ErgunWenYuDrag
Selecting particle force gravity
Constructing cloud functions
none
Constructing particle injection models
Creating injector: model1
Selecting injection model patchInjection
Constructing 3-D injection
Selecting distribution model normal
Selecting dispersion model none
Selecting patch interaction model localInteraction
Interaction fields will not be written
Selecting stochastic collision model none
Selecting surface film model none
Selecting U integration scheme Euler
Selecting packing model implicit
Selecting particle stress model HarrisCrighton
Selecting damping model none
Selecting isotropy model stochastic
Selecting time scale model isotropic
Selecting turbulence model type LES
Selecting LES turbulence model kEqn
Selecting LES delta type cubeRootVol
kEqnCoeffs
{
Ce 1.048;
Ck 0.094;
}


Starting time loop

Courant Number mean: 0.0174526 max: 8.13474
Time = 0.05

Evolving kinematicCloud

Solving 3-D cloud kinematicCloud
GAMG: Solving for kinematicCloud:alpha, Initial residual = 0.000615027, Final residual = 1.05561e-05, No Iterations 1
Cloud: kinematicCloud
Current number of parcels = 0
Current mass in system = 0
Linear momentum = (0 0 0)
|Linear momentum| = 0
Linear kinetic energy = 0
model1:
number of parcels added = 0
mass introduced = 0
Parcel fate (number, mass) : patch walls
- escape = 0, 0
- stick = 0, 0
Parcel fate (number, mass) : patch inlet
- escape = 0, 0
- stick = 0, 0
Parcel fate (number, mass) : patch outlet
- escape = 0, 0
- stick = 0, 0
Min cell volume fraction = 0
Max cell volume fraction = 0

PIMPLE: iteration 1
smoothSolver: Solving for U.airx, Initial residual = 1, Final residual = 9.06254e-08, No Iterations 1
smoothSolver: Solving for U.airy, Initial residual = 1, Final residual = 1.97025e-07, No Iterations 1
smoothSolver: Solving for U.airz, Initial residual = 1, Final residual = 0.000105896, No Iterations 1
GAMG: Solving for p, Initial residual = 1, Final residual = 0.00670111, No Iterations 18
time step continuity errors : sum local = 0.000456652, global = -4.74521e-05, cumulative = -4.74521e-05
GAMG: Solving for p, Initial residual = 0.0247166, Final residual = 6.21639e-07, No Iterations 20
time step continuity errors : sum local = 1.75619e-06, global = 1.85438e-07, cumulative = -4.72667e-05
No finite volume options present

smoothSolver: Solving for k.air, Initial residual = 1, Final residual = 3.95485e-05, No Iterations 1
ExecutionTime = 0.23 s ClockTime = 1 s

Courant Number mean: 2.17325 max: 51.3653
Time = 0.1

Evolving kinematicCloud

Solving 3-D cloud kinematicCloud
GAMG: Solving for kinematicCloud:alpha, Initial residual = 0.000372531, Final residual = 1.12741e-05, No Iterations 1
Cloud: kinematicCloud
Current number of parcels = 0
Current mass in system = 0
Linear momentum = (0 0 0)
|Linear momentum| = 0
Linear kinetic energy = 0
model1:
number of parcels added = 0
mass introduced = 0
Parcel fate (number, mass) : patch walls
- escape = 0, 0
- stick = 0, 0
Parcel fate (number, mass) : patch inlet
- escape = 0, 0
- stick = 0, 0
Parcel fate (number, mass) : patch outlet
- escape = 0, 0
- stick = 0, 0
Min cell volume fraction = 0
Max cell volume fraction = 0

PIMPLE: iteration 1
smoothSolver: Solving for U.airx, Initial residual = 0.3745, Final residual = 0.0259333, No Iterations 2
smoothSolver: Solving for U.airy, Initial residual = 0.515426, Final residual = 0.0284673, No Iterations 2
smoothSolver: Solving for U.airz, Initial residual = 0.353168, Final residual = 0.0264871, No Iterations 2
GAMG: Solving for p, Initial residual = 0.657828, Final residual = 0.00594104, No Iterations 12
time step continuity errors : sum local = 0.00316335, global = -0.000121041, cumulative = -0.000168307
GAMG: Solving for p, Initial residual = 0.279043, Final residual = 9.39302e-07, No Iterations 39
time step continuity errors : sum local = 9.6451e-07, global = 2.75352e-08, cumulative = -0.00016828
[3] #0 Foam::error:rintStack(Foam::Ostream&) at ??:?
[3] #1 Foam::sigFpe::sigHandler(int) at ??:?
[3] #2 ? in "/lib/x86_64-linux-gnu/libc.so.6"
[3] #3 Foam::symGaussSeidelSmoother::smooth(Foam::word const&, Foam::Field<double>&, Foam::lduMatrix const&, Foam::Field<double> const&, Foam::FieldField<Foam::Field, double> const&, Foam::UPtrList<Foam::lduInterfaceField const> const&, unsigned char, int) at ??:?
[3] #4 Foam::symGaussSeidelSmoother::smooth(Foam::Field<d ouble>&, Foam::Field<double> const&, unsigned char, int) const at ??:?
[3] #5 Foam::smoothSolver::solve(Foam::Field<double>&, Foam::Field<double> const&, unsigned char) const at ??:?
[3] #6 Foam::fvMatrix<double>::solveSegregated(Foam::dict ionary const&) at ??:?
[3] #7 Foam::fvMatrix<double>::solve(Foam::dictionary const&) at ??:?
[3] #8 Foam::SolverPerformance<double> Foam::solve<double>(Foam::tmp<Foam::fvMatrix<doubl e> > const&) at ??:?
[3] #9 Foam::LESModels::kEqn<Foam::PhaseIncompressibleTur bulenceModel<Foam::singlePhaseTransportModel> >::correct() at ??:?
[3] #10 ? at ??:?
[3] #11 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6"
[3] #12 ? at ??:?
[DNCO:03466] *** Process received signal ***
[DNCO:03466] Signal: Floating point exception (8)
[DNCO:03466] Signal code: (-6)
[DNCO:03466] Failing at address: 0x3e800000d8a
[DNCO:03466] [ 0] /lib/x86_64-linux-gnu/libc.so.6(+0x36cb0) [0x7fc9927b1cb0]
[DNCO:03466] [ 1] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0x37) [0x7fc9927b1c37]
[DNCO:03466] [ 2] /lib/x86_64-linux-gnu/libc.so.6(+0x36cb0) [0x7fc9927b1cb0]
[DNCO:03466] [ 3] /opt/openfoam4/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so(_ZN4Foam22symGaussSeidelSmoother6sm oothERKNS_4wordERNS_5FieldIdEERKNS_9lduMatrixERKS5 _RKNS_10FieldFieldIS4_dEERKNS_8UPtrListIKNS_17lduI nterfaceFieldEEEhi+0x3ec) [0x7fc99396de2c]
[DNCO:03466] [ 4] /opt/openfoam4/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so(_ZNK4Foam22symGaussSeidelSmoother6s moothERNS_5FieldIdEERKS2_hi+0x2d) [0x7fc99396e10d]
[DNCO:03466] [ 5] /opt/openfoam4/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so(_ZNK4Foam12smoothSolver5solveERNS_5 FieldIdEERKS2_h+0x3a7) [0x7fc993968c97]
[DNCO:03466] [ 6] /opt/openfoam4/platforms/linux64GccDPInt32Opt/lib/libfiniteVolume.so(_ZN4Foam8fvMatrixIdE15solveSegr egatedERKNS_10dictionaryE+0x11e) [0x7fc998aaeafe]
[DNCO:03466] [ 7] MPPICFoam(_ZN4Foam8fvMatrixIdE5solveERKNS_10dictio naryE+0x108) [0x4a8e18]
[DNCO:03466] [ 8] /opt/openfoam4/platforms/linux64GccDPInt32Opt/lib/libradiationModels.so(_ZN4Foam5solveIdEENS_17Solve rPerformanceIT_EERKNS_3tmpINS_8fvMatrixIS2_EEEE+0x eb) [0x7fc995c7b5cb]
[DNCO:03466] [ 9] /opt/openfoam4/platforms/linux64GccDPInt32Opt/lib/libDPMTurbulenceModels.so(_ZN4Foam9LESModels4kEqnI NS_34PhaseIncompressibleTurbulenceModelINS_25singl ePhaseTransportModelEEEE7correctEv+0x731) [0x7fc994dd0bf1]
[DNCO:03466] [10] MPPICFoam() [0x438e64]
[DNCO:03466] [11] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fc99279cf45]
[DNCO:03466] [12] MPPICFoam() [0x43a095]
[DNCO:03466] *** End of error message ***
--------------------------------------------------------------------------
mpirun noticed that process rank 3 with PID 3466 on node DNCO exited on signal 8 (Floating point exception).
--------------------------------------------------------------------------

Please help me.
Thank you

[ebtedaei]

Is there a problem in MPPICFoam solver????

[Desimuser1]

if you are a beginner, use OFv2212