[letzel]

Dear Foamers,

when I execute topoSet in my case directory, with this system/topoSetDict:

/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  2.2.2                                 |
|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      topoSetDict;
}

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

libs (
         "libsampling.so"
     "libsimpleSwakFunctionObjects.so"
     "libswakFunctionObjects.so"
     "libgroovyBC.so"
     "libswakTopoSources.so"
     );  

actions
(
    {
        name    durchflussmesserFaces;
        type    faceSet;
        action  new;
        source  expressionToFace;
        sourceInfo
        {
            expression "fpos().z>17.9 && fpos().z<18.1 && sqrt(pow(fpos().x,2)+ pow(fpos().y,2))<62.55";
        }
    }
    {
        name    durchflussmesserFacesSlaveCells;
        type    cellSet;
        action  new;
        source  boxToCell;
        sourceInfo
        {
            box    ( -100 -100 0 ) ( 100 100 18.0 );
        }
    }
 );

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

I get the following error log:

/*---------------------------------------------------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  2.2.2                                 |
|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
Build  : 2.2.2-9240f8b967db
Exec   : /opt/openfoam222/platforms/linux64GccDPOpt/bin/topoSet
Date   : May 14 2014
Time   : 16:26:18
Host   : [...]
PID    : 31428
Case   : [...]
sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE).
fileModificationChecking : Monitoring run-time modified files using timeStampMaster
allowSystemOperations : Disallowing user-supplied system call operations

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

Create polyMesh for time = 0.2

Reading topoSetDict

Time = 0.2
    mesh not changed.
Created faceSet durchflussmesserFaces
    Applying source expressionToFace


--> FOAM FATAL ERROR: 
Unknown topoSetSource type expressionToFace

Valid topoSetSource types : 

43
(
boundaryToFace
boxToCell
boxToFace
boxToPoint
cellToCell
cellToFace
cellToPoint
cylinderAnnulusToCell
cylinderToCell
faceToCell
faceToFace
faceToPoint
faceZoneToCell
faceZoneToFaceZone
fieldToCell
labelToCell
labelToFace
labelToPoint
nbrToCell
nearestToCell
nearestToPoint
normalToFace
patchToFace
pointToCell
pointToFace
pointToPoint
regionToCell
regionToFace
rotatedBoxToCell
searchableSurfaceToFaceZone
setAndNormalToFaceZone
setToCellZone
setToFaceZone
setToPointZone
setsToFaceZone
shapeToCell
sphereToCell
surfaceToCell
surfaceToPoint
targetVolumeToCell
zoneToCell
zoneToFace
zoneToPoint
)


    From function topoSetSource::New(const word&, const polyMesh&, const dictionary&)
    in file sets/topoSetSource/topoSetSource.C at line 89.

FOAM exiting

This error message leaves me a bit puzzled, because I in my topoSetDict I explicitly load libswakTopoSources.so, and the syntax of my topoSetDict follows the swak example Examples\other\angledDuctImplicit\system\topoSetDi ct.

I would be grateful for any suggestions how to solve this error.

Cheers,
Marcus

[letzel]

...I'd like to solve this issue, so if you require more information from me that is not clear or missing from my first post, please let me know.

Thanks a lot in advance,
Marcus

[letzel]

Happy to report that the initial problem was solved by adding

libs (
     "libswakTopoSources.so"
     );

to system/controlDict. My thanks to Ganesh for this useful remark!

This was, however, followed by another error:

Created faceSet durchflussmesserFaces
    Applying source expressionToFace
    Adding all elements of for which "fpos().z>17.9 && fpos().z<18.1 && sqrt(pow(fpos().x,2)+ pow(fpos().y,2))<62.55" evaluates to true ...


--> FOAM FATAL ERROR: 
 Parser Error for driver FieldValueExpressionDriver at "1.10-13" :"syntax error, unexpected number"
"fpos().z>17.9 && fpos().z<18.1 && sqrt(pow(fpos().x,2)+ pow(fpos().y,2))<62.55"
           ^^^^
-----------|   

Context of the error:


- Driver constructed from scratch
  Evaluating expression "fpos().z>17.9 && fpos().z<18.1 && sqrt(pow(fpos().x,2)+ pow(fpos().y,2))<62.55"


    From function parsingValue
    in file lnInclude/CommonValueExpressionDriverI.H at line 1081.

FOAM exiting

I understand that 17.9 (and 18.1) do not have the correct data type, but don't know how I have to convert them so that they can be compared to fpos().z.

[letzel]

Following this post (thanks, Bernhard!), I solved the my problem by applying interpolate() to 17.9, 18.1 and 62.55. The respective formula now reads:

expression "fpos().z>interpolate(17.9) && fpos().z<interpolate(18.1) && sqrt(pow(fpos().x,2)+ pow(fpos().y,2))<interpolate(62.55)";