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Old   October 3, 2019, 10:07
Default running iocFoam in parallel
  #1
New Member
 
anonymous
Join Date: Sep 2019
Location: North Carolina
Posts: 25
Rep Power: 3
tenichols19 is on a distinguished road
I was able to run "icoFoam" in the terminal and the simulation ran fine. To speed up the process fro future simulations I will be running in parallel so I figured I would try it on this setup
When
Code:
decomposePar
it executed correctly but when trying to run icoFoam in parallel
Code:
mpirun -np 8 icoFoam -parallel | tee log
I get this
Code:
/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Version:  7
     \\/     M anipulation  |
\*---------------------------------------------------------------------------*/
Build  : 7-6ef561967074
Exec   : icoFoam -parallel
Date   : Oct 03 2019
Time   : 08:41:49
Host   : "taylor-Precision-T1700"
PID    : 4645
I/O    : uncollated
Case   : /home/taylor/OpenFOAM/taylor-7/run/ten
nProcs : 8
Slaves : 
7
(
"taylor-Precision-T1700.4646"
"taylor-Precision-T1700.4647"
"taylor-Precision-T1700.4648"
"taylor-Precision-T1700.4649"
"taylor-Precision-T1700.4650"
"taylor-Precision-T1700.4651"
"taylor-Precision-T1700.4652"
)

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

Reading transportProperties

Reading field p

Reading field U

Reading/calculating face flux field phi


Starting time loop

[0] 
[0] 
[0] --> FOAM FATAL ERROR: 
[0] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[0] 
[0] 
[0]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[0]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[0] 
FOAM parallel run exiting
[0] 
[1] 
[1] 
[1] --> FOAM FATAL ERROR: 
[1] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[1] 
[1] 
[1]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[1]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[1] 
FOAM parallel run exiting
[1] 
[3] [4] 
[4] 
[4] --> FOAM FATAL ERROR: 
[4] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[4] 
[4] 
[4]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[4]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[4] 
FOAM parallel run exiting
[4] 
[5] 
[5] 
[5] --> FOAM FATAL ERROR: 
[5] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[5] 
[5] 
[5]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[5]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[5] 
FOAM parallel run exiting
[5] 
[6] 
[6] 
[6] --> FOAM FATAL ERROR: 
[6] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[6] 
[6] 
[6]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[6]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[6] 
FOAM parallel run exiting
[6] 
[7] 
[7] 
[7] --> FOAM FATAL ERROR: 
[7] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[7] 
[7] 
[7]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[7]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[7] 
FOAM parallel run exiting
[7] 
--------------------------------------------------------------------------
MPI_ABORT was invoked on rank 1 in communicator MPI COMMUNICATOR 3 SPLIT FROM 0
with errorcode 1.

NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
You may or may not see output from other processes, depending on
exactly when Open MPI kills them.
--------------------------------------------------------------------------

[3] 
[3] --> FOAM FATAL ERROR: 
[3] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[3] 
[3] 
[3]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[3]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[3] 
FOAM parallel run exiting
[3] 
[taylor-Precision-T1700:04639] 3 more processes have sent help message help-mpi-api.txt / mpi-abort
[taylor-Precision-T1700:04639] Set MCA parameter "orte_base_help_aggregate" to 0 to see all help / error messages

This is what written to the log file
Code:
/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Version:  7
     \\/     M anipulation  |
\*---------------------------------------------------------------------------*/
Build  : 7-6ef561967074
Exec   : icoFoam -parallel
Date   : Oct 03 2019
Time   : 08:41:49
Host   : "taylor-Precision-T1700"
PID    : 4645
I/O    : uncollated
Case   : /home/taylor/OpenFOAM/taylor-7/run/ten
nProcs : 8
Slaves : 
7
(
"taylor-Precision-T1700.4646"
"taylor-Precision-T1700.4647"
"taylor-Precision-T1700.4648"
"taylor-Precision-T1700.4649"
"taylor-Precision-T1700.4650"
"taylor-Precision-T1700.4651"
"taylor-Precision-T1700.4652"
)

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

Reading transportProperties

Reading field p

Reading field U

Reading/calculating face flux field phi


Starting time loop

--------------------------------------------------------------------------
MPI_ABORT was invoked on rank 1 in communicator MPI COMMUNICATOR 3 SPLIT FROM 0
with errorcode 1.

NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
You may or may not see output from other processes, depending on
exactly when Open MPI kills them.
--------------------------------------------------------------------------
Does anyone have advice on how to fix this? Or whats going on?

Last edited by tenichols19; October 3, 2019 at 22:13.
tenichols19 is offline   Reply With Quote

Old   October 4, 2019, 09:05
Default
  #2
New Member
 
anonymous
Join Date: Sep 2019
Location: North Carolina
Posts: 25
Rep Power: 3
tenichols19 is on a distinguished road
Quote:
Originally Posted by tenichols19 View Post
I was able to run "icoFoam" in the terminal and the simulation ran fine. To speed up the process fro future simulations I will be running in parallel so I figured I would try it on this setup
When
Code:
decomposePar
it executed correctly but when trying to run icoFoam in parallel
Code:
mpirun -np 8 icoFoam -parallel | tee log
I get this
Code:
/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Version:  7
     \\/     M anipulation  |
\*---------------------------------------------------------------------------*/
Build  : 7-6ef561967074
Exec   : icoFoam -parallel
Date   : Oct 03 2019
Time   : 08:41:49
Host   : "taylor-Precision-T1700"
PID    : 4645
I/O    : uncollated
Case   : /home/taylor/OpenFOAM/taylor-7/run/ten
nProcs : 8
Slaves : 
7
(
"taylor-Precision-T1700.4646"
"taylor-Precision-T1700.4647"
"taylor-Precision-T1700.4648"
"taylor-Precision-T1700.4649"
"taylor-Precision-T1700.4650"
"taylor-Precision-T1700.4651"
"taylor-Precision-T1700.4652"
)

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

Reading transportProperties

Reading field p

Reading field U

Reading/calculating face flux field phi


Starting time loop

[0] 
[0] 
[0] --> FOAM FATAL ERROR: 
[0] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[0] 
[0] 
[0]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[0]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[0] 
FOAM parallel run exiting
[0] 
[1] 
[1] 
[1] --> FOAM FATAL ERROR: 
[1] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[1] 
[1] 
[1]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[1]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[1] 
FOAM parallel run exiting
[1] 
[3] [4] 
[4] 
[4] --> FOAM FATAL ERROR: 
[4] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[4] 
[4] 
[4]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[4]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[4] 
FOAM parallel run exiting
[4] 
[5] 
[5] 
[5] --> FOAM FATAL ERROR: 
[5] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[5] 
[5] 
[5]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[5]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[5] 
FOAM parallel run exiting
[5] 
[6] 
[6] 
[6] --> FOAM FATAL ERROR: 
[6] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[6] 
[6] 
[6]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[6]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[6] 
FOAM parallel run exiting
[6] 
[7] 
[7] 
[7] --> FOAM FATAL ERROR: 
[7] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[7] 
[7] 
[7]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[7]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[7] 
FOAM parallel run exiting
[7] 
--------------------------------------------------------------------------
MPI_ABORT was invoked on rank 1 in communicator MPI COMMUNICATOR 3 SPLIT FROM 0
with errorcode 1.

NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
You may or may not see output from other processes, depending on
exactly when Open MPI kills them.
--------------------------------------------------------------------------

[3] 
[3] --> FOAM FATAL ERROR: 
[3] Unknown function type surfaceRegion

Valid functions are : 

52
(
CourantNo
Lambda2
MachNo
PecletNo
Q
XiReactionRate
add
age
blendingFactor
components
ddt
div
enstrophy
fieldAverage
fieldCoordinateSystemTransform
fieldMinMax
fieldValueDelta
flowType
grad
histogram
interfaceHeight
log
mag
magSqr
nearWallFields
patchProbes
pressure
probes
processorField
psiReactionThermoMoleFractions
randomise
readFields
regionSizeDistribution
rhoReactionThermoMoleFractions
scale
sets
streamFunction
streamLine
subtract
surfaceFieldValue
surfaceInterpolate
surfaces
turbulenceFields
turbulenceIntensity
volFieldValue
vorticity
wallHeatFlux
wallHeatTransferCoeff
wallShearStress
writeCellCentres
writeCellVolumes
yPlus
)

[3] 
[3] 
[3]     From function static Foam::autoPtr<Foam::functionObject> Foam::functionObject::New(const Foam::word&, const Foam::Time&, const Foam::dictionary&)
[3]     in file db/functionObjects/functionObject/functionObject.C at line 100.
[3] 
FOAM parallel run exiting
[3] 
[taylor-Precision-T1700:04639] 3 more processes have sent help message help-mpi-api.txt / mpi-abort
[taylor-Precision-T1700:04639] Set MCA parameter "orte_base_help_aggregate" to 0 to see all help / error messages

This is what written to the log file
Code:
/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Version:  7
     \\/     M anipulation  |
\*---------------------------------------------------------------------------*/
Build  : 7-6ef561967074
Exec   : icoFoam -parallel
Date   : Oct 03 2019
Time   : 08:41:49
Host   : "taylor-Precision-T1700"
PID    : 4645
I/O    : uncollated
Case   : /home/taylor/OpenFOAM/taylor-7/run/ten
nProcs : 8
Slaves : 
7
(
"taylor-Precision-T1700.4646"
"taylor-Precision-T1700.4647"
"taylor-Precision-T1700.4648"
"taylor-Precision-T1700.4649"
"taylor-Precision-T1700.4650"
"taylor-Precision-T1700.4651"
"taylor-Precision-T1700.4652"
)

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

Reading transportProperties

Reading field p

Reading field U

Reading/calculating face flux field phi


Starting time loop

--------------------------------------------------------------------------
MPI_ABORT was invoked on rank 1 in communicator MPI COMMUNICATOR 3 SPLIT FROM 0
with errorcode 1.

NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
You may or may not see output from other processes, depending on
exactly when Open MPI kills them.
--------------------------------------------------------------------------
Does anyone have advice on how to fix this? Or whats going on?
I should also mention that I only get an error when I attempt to run in parallel..
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Old   October 4, 2019, 10:03
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Carlo_P
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Seems that there's an error in the functionobject.
Are you sure that the same code works in serial?


Maybe the problem is in the decomposition. Maybe the surface is divided in more processors.


I can suggest you to try to run the solver without the functionObjects


I can suggest you to try to use different decomposition methods or setups.


Let me know!
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Old   October 4, 2019, 11:44
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Yes I was able to get it to run.

I tried 2 ways to decompose it.
This was the first way.
Code:
/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  4.x                                   |
|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      decomposeParDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

numberOfSubdomains 8;

method          scotch;

// ************************************************************************* //
and it seemed to decompose okay. Well it didn't display any errors.

After this didn't work I tried this way.
Code:
/*--------------------------------*- C++ -*----------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Version:  7
     \\/     M anipulation  |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    location    "system";
    object      decomposeParDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

numberOfSubdomains 8;

method          simple;

simpleCoeffs
{
    n               (8 1 1);
    delta           0.001;
}

hierarchicalCoeffs
{
    n               (1 1 1);
    delta           0.001;
    order           xyz;
}

manualCoeffs
{
    dataFile        "";
}

distributed     no;

roots           ( );


// ************************************************************************* //
Could you explain "Maybe the surface is divided in more processors" and "run without the functionObjects"?

What does the functionObjects do?

Thanks for the help.
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Old   October 4, 2019, 11:58
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Hey,

seems that your error is linked to the function: surfaceRegion.


Can you check if this function is called your controlDict?
This seems to be the error. I have no idea why this function complain in parallel and not in serial.


I suppose that maybe the surface you are calcolating the value in controlDict has some problems during the decomposition.


Do you have some like this in your controlDict?
surfaceRegion1 { type surfaceRegion; libs ("libfieldFunctionObjects.so"); log true; writeControl writeTime; writeFields true; surfaceFormat none; regionType faceZone; name f0; operation sum; weightField alpha1; fields ( p phi U ); }

Cheers
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Old   October 4, 2019, 16:34
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I have been following this tutorial and he used this as his controlDict.. SurfaceRegion is called in here. https://www.youtube.com/watch?v=2Yfd...Pv0vfw&index=3

Here is the controlDict file.
Code:
/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  4.x                                   |
|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      controlDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

application     icoFoam;

startFrom       startTime;

startTime       0;

//stopAt          writeNow;
stopAt          endTime;

endTime         2;

deltaT          0.01;

writeControl    timeStep;

writeInterval   5;

purgeWrite      0;

writeFormat     ascii;

writePrecision  8;

writeCompression off;

timeFormat      general;

timePrecision   6;

runTimeModifiable true;

// ************************************************************************* //

functions
{

///////////////////////////////////////////////////////////////////////////

	minmaxdomain
	{
		type fieldMinMax;

		functionObjectLibs ("libfieldFunctionObjects.so");

		enabled true; //true or false

		mode component;

		writeControl timeStep;
		writeInterval 1;

		log true;

		fields (p U);
	}

///////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////

    massFlow_inlet
    {
        type            surfaceRegion;
        functionObjectLibs ("libfieldFunctionObjects.so");
        enabled         true;

		//writeControl     outputTime;
		writeControl   timeStep;
		writeInterval  1;

        log             true;

        writeFields     false;

        regionType      patch;
        name      	inlet;

	operation       sum;
        fields
        (
            phi
        );
    }


///////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////

    massFlow_outlet
    {
        type            surfaceRegion;
        functionObjectLibs ("libfieldFunctionObjects.so");
        enabled         true;
	
		//writeControl     outputTime;
		writeControl   timeStep;
		writeInterval  1;

        log             true;

        writeFields     false;

        regionType      patch;
        name    	outlet;

	operation       sum;
        fields
        (
            phi
        );
    }
I ran the code without the functions and it worked!
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Old   October 7, 2019, 05:44
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Ok, so, we found a workaround.
..but seems very strange that it works in serial but not in parallel.
Seems that the library libfieldFunctionObjects.so is not present or doesn't work correctly.
Strange,..
In the end, if you want this function, you can simply reconstruct the latest timestep with reconstruct -latestTime and run on iteration or only the postProcessing (with icoFoam -postProcess) in serial.
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