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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 2.1.x |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object sampleDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Set output format : choice of
// xmgr
// jplot
// gnuplot
// raw
// vtk
// csv
setFormat raw;
// Surface output format. Choice of
// null : suppress output
// ensight : Ensight Gold format, one field per case file
// foamFile : separate points, faces and values file
// dx : DX scalar or vector format
// vtk : VTK ascii format
// raw : x y z value format for use with e.g. gnuplot 'splot'.
//
// Note:
// other formats such as obj, stl, etc can also be written (by proxy)
// but without any values!
surfaceFormat vtk;
// optionally define extra controls for the output formats
formatOptions
{
ensight
{
format ascii;
}
}
// interpolationScheme. choice of
// cell : use cell-centre value only; constant over cells (default)
// cellPoint : use cell-centre and vertex values
// cellPointFace : use cell-centre, vertex and face values.
// pointMVC : use point values only (Mean Value Coordinates)
// cellPatchConstrained : use cell-centre except on boundary faces where
// it uses the boundary value. For use with e.g. patchCloudSet.
// 1] vertex values determined from neighbouring cell-centre values
// 2] face values determined using the current face interpolation scheme
// for the field (linear, gamma, etc.)
interpolationScheme cellPoint;
// Fields to sample.
fields
(
p
U
);
// Set sampling definition: choice of
// uniform evenly distributed points on line
// face one point per face intersection
// midPoint one point per cell, inbetween two face intersections
// midPointAndFace combination of face and midPoint
//
// polyLine specified points, not nessecary on line, uses
// tracking
// cloud specified points, uses findCell
// triSurfaceMeshPointSet points of triSurface
//
// axis: how to write point coordinate. Choice of
// - x/y/z: x/y/z coordinate only
// - xyz: three columns
// (probably does not make sense for anything but raw)
// - distance: distance from start of sampling line (if uses line) or
// distance from first specified sampling point
//
// type specific:
// uniform, face, midPoint, midPointAndFace : start and end coordinate
// uniform: extra number of sampling points
// polyLine, cloud: list of coordinates
// patchCloud: list of coordinates and set of patches to look for nearest
sets
(
lineX1
{
type uniform;
axis distance;
//- cavity. Slightly perturbed so not to align with face or edge.
start (0.0201 0.05101 0.00501);
end (0.0601 0.05101 0.00501);
nPoints 10;
}
lineX2
{
type face;
axis x;
//- cavity
start (0.0001 0.0525 0.00501);
end (0.0999 0.0525 0.00501);
}
somePoints
{
type cloud;
axis xyz;
points ((0.049 0.049 0.00501)(0.051 0.049 0.00501));
}
somePatchPoints
{
// Sample nearest points on selected patches. Looks only up to
// maxDistance away. Any sampling point not found will get value
// pTraits<Type>::max (usually VGREAT)
// Use with interpolations:
// - cell (cell value)
// - cellPatchConstrained (boundary value)
// - cellPoint (interpolated boundary value)
type patchCloud;
axis xyz;
points ((0.049 0.099 0.005)(0.051 0.054 0.005));
maxDistance 0.1; // maximum distance to search
patches (".*Wall.*");
}
arrayA1
{
// Sample 'pointsDensity' points in a box with origin at 'origin'
// plus the vector 'spanBox'
type array;
axis xyz;
coordinateSystem
{
e1 (1 0 0);
e2 (0 1 0);
origin ( -5 -1 -1 );
}
pointsDensity (2 2 2);
spanBox (10 2 2);
}
);
// Surface sampling definition
//
// 1] patches are not triangulated by default
// 2] planes are always triangulated
// 3] iso-surfaces are always triangulated
surfaces
(
constantPlane
{
type plane; // always triangulated
basePoint (0.0501 0.0501 0.005);
normalVector (0.1 0.1 1);
//- Optional: restrict to a particular zone
// zone zone1;
}
interpolatedPlane
{
type plane; // always triangulated
// make plane relative to the coordinateSystem (Cartesian)
coordinateSystem
{
origin (0.0501 0.0501 0.005);
}
basePoint (0 0 0);
normalVector (0.1 0.1 1);
interpolate true;
}
walls_constant
{
type patch;
patches ( ".*Wall.*" );
// Optional: whether to leave as faces (=default) or triangulate
// triangulate false;
}
walls_interpolated
{
type patch;
patches ( ".*Wall.*" );
interpolate true;
// Optional: whether to leave as faces (=default) or triangulate
// triangulate false;
}
nearWalls_interpolated
{
// Sample cell values off patch. Does not need to be the near-wall
// cell, can be arbitrarily far away.
type patchInternalField;
patches ( ".*Wall.*" );
interpolate true;
// Optional: specify how to obtain sampling points from the patch
// face centres (default is 'normal')
//
// //- Specify distance to offset in normal direction
offsetMode normal;
distance 0.1;
//
// //- Specify single uniform offset
// offsetMode uniform;
// offset (0 0 0.0001);
//
// //- Specify offset per patch face
// offsetMode nonuniform;
// offsets ((0 0 0.0001) (0 0 0.0002));
// Optional: whether to leave as faces (=default) or triangulate
// triangulate false;
}
interpolatedIso
{
// Iso surface for interpolated values only
type isoSurface; // always triangulated
isoField rho;
isoValue 0.5;
interpolate true;
//zone ABC; // Optional: zone only
//exposedPatchName fixedWalls; // Optional: zone only
// regularise false; // Optional: do not simplify
// mergeTol 1e-10; // Optional: fraction of mesh bounding box
// to merge points (default=1e-6)
}
constantIso
{
// Iso surface for constant values.
// Triangles guaranteed not to cross cells.
type isoSurfaceCell; // always triangulated
isoField rho;
isoValue 0.5;
interpolate false;
regularise false; // do not simplify
// mergeTol 1e-10; // Optional: fraction of mesh bounding box
// to merge points (default=1e-6)
}
triangleCut
{
// Cutingplane using iso surface
type cuttingPlane;
planeType pointAndNormal;
pointAndNormalDict
{
basePoint (0.4 0 0.4);
normalVector (1 0.2 0.2);
}
interpolate true;
//zone ABC; // Optional: zone only
//exposedPatchName fixedWalls; // Optional: zone only
// regularise false; // Optional: do not simplify
// mergeTol 1e-10; // Optional: fraction of mesh bounding box
// to merge points (default=1e-6)
}
distance
{
// Isosurface from signed/unsigned distance to surface
type distanceSurface;
signed true;
// Definition of surface
surfaceType triSurfaceMesh;
surfaceName integrationPlane.stl;
// Distance to surface
distance 0.0;
interpolate false;
regularise false; // Optional: do not simplify
// mergeTol 1e-10; // Optional: fraction of mesh bounding box
// to merge points (default=1e-6)
}
triSurfaceSampling
{
// Sampling on triSurface
type sampledTriSurfaceMesh;
surface integrationPlane.stl;
source boundaryFaces; // sample cells or boundaryFaces
interpolate true;
}
);
// *********************************************************************** //