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#ifndef particle_H
#define particle_H
#include "vector.H"
#include "Cloud.H"
#include "IDLList.H"
#include "labelList.H"
#include "pointField.H"
#include "faceList.H"
#include "OFstream.H"
#include "tetPointRef.H"
#include "FixedList.H"
#include "polyMeshTetDecomposition.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// Forward declaration of classes
class particle;
class polyPatch;
class cyclicPolyPatch;
class processorPolyPatch;
class symmetryPolyPatch;
class wallPolyPatch;
class wedgePolyPatch;
// Forward declaration of friend functions and operators
Ostream& operator<<
(
Ostream&,
const particle&
);
bool operator==(const particle&, const particle&);
bool operator!=(const particle&, const particle&);
/*---------------------------------------------------------------------------*\
Class Particle Declaration
\*---------------------------------------------------------------------------*/
class particle
:
public IDLList<particle>::link
{
public:
template<class CloudType>
class TrackingData
{
// Private data
//- Reference to the cloud containing (this) particle
CloudType& cloud_;
public:
// Public data
typedef CloudType cloudType;
//- Flag to switch processor
bool switchProcessor;
//- Flag to indicate whether to keep particle (false = delete)
bool keepParticle;
// Constructor
TrackingData(CloudType& cloud)
:
cloud_(cloud)
{}
// Member functions
//- Return a reference to the cloud
CloudType& cloud()
{
return cloud_;
}
};
protected:
// Protected data
//- Reference to the polyMesh database
const polyMesh& mesh_;
//- Position of particle
vector position_;
//- Index of the cell it is in
label cellI_;
//- Face index if the particle is on a face otherwise -1
label faceI_;
//- Fraction of time-step completed
scalar stepFraction_;
//- Index of the face that owns the decomposed tet that the
// particle is in
label tetFaceI_;
//- Index of the point on the face that defines the decomposed
// tet that the particle is in. Relative to the face base
// point.
label tetPtI_;
//- Originating processor id
label origProc_;
//- Local particle id on originating processor
label origId_;
// Private Member Functions
//- Find the tet tri faces between position and tet centre
void findTris
(
const vector& position,
DynamicList<label>& faceList,
const tetPointRef& tet,
const FixedList<vector, 4>& tetAreas,
const FixedList<label, 4>& tetPlaneBasePtIs,
const scalar tol
) const;
//- Find the lambda value for the line to-from across the
// given tri face, where p = from + lambda*(to - from)
inline scalar tetLambda
(
const vector& from,
const vector& to,
const label triI,
const vector& tetArea,
const label tetPlaneBasePtI,
const label cellI,
const label tetFaceI,
const label tetPtI,
const scalar tol
) const;
//- Find the lambda value for a moving tri face
inline scalar movingTetLambda
(
const vector& from,
const vector& to,
const label triI,
const vector& tetArea,
const label tetPlaneBasePtI,
const label cellI,
const label tetFaceI,
const label tetPtI,
const scalar tol
) const;
//- Modify the tet owner data by crossing triI
inline void tetNeighbour(label triI);
//- Cross the from the given face across the given edge of the
// given cell to find the resulting face and tetPtI
inline void crossEdgeConnectedFace
(
const label& cellI,
label& tetFaceI,
label& tetPtI,
const edge& e
);
//- Hit wall faces in the current cell if the
//- wallImpactDistance is non-zero. They may not be in
//- different tets to the current.
template<class CloudType>
inline void hitWallFaces
(
const CloudType& td,
const vector& from,
const vector& to,
scalar& lambdaMin,
tetIndices& closestTetIs
);
// Patch interactions
//- Overridable function to handle the particle hitting a face
template<class TrackData>
void hitFace(TrackData& td);
//- Overridable function to handle the particle hitting a
// patch. Executed before other patch-hitting functions.
// trackFraction is passed in to allow mesh motion to
// interpolate in time to the correct face state.
template<class TrackData>
bool hitPatch
(
const polyPatch&,
TrackData& td,
const label patchI,
const scalar trackFraction,
const tetIndices& tetIs
);
//- Overridable function to handle the particle hitting a wedgePatch
template<class TrackData>
void hitWedgePatch(const wedgePolyPatch&, TrackData& td);
//- Overridable function to handle the particle hitting a
// symmetryPatch
template<class TrackData>
void hitSymmetryPatch(const symmetryPolyPatch&, TrackData& td);
//- Overridable function to handle the particle hitting a cyclicPatch
template<class TrackData>
void hitCyclicPatch(const cyclicPolyPatch&, TrackData& td);
//- Overridable function to handle the particle hitting a
// processorPatch
template<class TrackData>
void hitProcessorPatch(const processorPolyPatch&, TrackData& td);
//- Overridable function to handle the particle hitting a wallPatch
template<class TrackData>
void hitWallPatch
(
const wallPolyPatch&,
TrackData& td,
const tetIndices& tetIs
);
//- Overridable function to handle the particle hitting a
// general patch
template<class TrackData>
void hitPatch(const polyPatch&, TrackData& td);
public:
// Static data members
//- Runtime type information
TypeName("particle");
//- String representation of properties
static string propHeader;
//- Cumulative particle counter - used to provode unique ID
static label particleCount_;
//- Fraction of distance to tet centre to move a particle to
// 'rescue' it from a tracking problem
static const scalar trackingCorrectionTol;
//- Fraction of the cell volume to use in determining tolerance values
// for the denominator and numerator of lambda
static const scalar lambdaDistanceToleranceCoeff;
// Constructors
//- Construct from components
particle
(
const polyMesh& mesh,
const vector& position,
const label cellI,
const label tetFaceI,
const label tetPtI
);
//- Construct from components, tetFaceI_ and tetPtI_ are not
// supplied so they will be deduced by a search
particle
(
const polyMesh& mesh,
const vector& position,
const label cellI,
bool doCellFacePt = true
);
//- Construct from Istream
particle(const polyMesh& mesh, Istream&, bool readFields = true);
//- Construct as a copy
particle(const particle& p);
//- Construct as a copy with refernce to a new mesh
particle(const particle& p, const polyMesh& mesh);
//- Construct a clone
virtual autoPtr<particle> clone() const
{
return autoPtr<particle>(new particle(*this));
}
//- Factory class to read-construct particles used for
// parallel transfer
class iNew
{
const polyMesh& mesh_;
public:
iNew(const polyMesh& mesh)
:
mesh_(mesh)
{}
autoPtr<particle> operator()(Istream& is) const
{
return autoPtr<particle>(new particle(mesh_, is, true));
}
};
//- Destructor
virtual ~particle()
{}
// Member Functions
// Access
//- Get unique particle creation id
inline label getNewParticleID() const;
//- Return the mesh database
inline const polyMesh& mesh() const;
//- Return current particle position
inline const vector& position() const;
//- Return current particle position
inline vector& position();
//- Return current cell particle is in
inline label& cell();
//- Return current cell particle is in
inline label cell() const;
//- Return current tet face particle is in
inline label& tetFace();
//- Return current tet face particle is in
inline label tetFace() const;
//- Return current tet face particle is in
inline label& tetPt();
//- Return current tet face particle is in
inline label tetPt() const;
//- Return the indices of the current tet that the
// particle occupies.
inline tetIndices currentTetIndices() const;
//- Return the geometry of the current tet that the
// particle occupies.
inline tetPointRef currentTet() const;
//- Return the normal of the tri on tetFaceI_ for the
// current tet.
inline vector normal() const;
//- Return the normal of the tri on tetFaceI_ for the
// current tet at the start of the timestep, i.e. based
// on oldPoints
inline vector oldNormal() const;
//- Return current face particle is on otherwise -1
inline label& face();
//- Return current face particle is on otherwise -1
inline label face() const;
//- Return the impact model to be used, soft or hard (default).
inline bool softImpact() const;
//- Return the particle current time
inline scalar currentTime() const;
// Check
//- Check the stored cell value (setting if necessary) and
// initialise the tetFace and tetPt values
inline void initCellFacePt();
//- Is the particle on the boundary/(or outside the domain)?
inline bool onBoundary() const;
//- Is this global face an internal face?
inline bool internalFace(const label faceI) const;
//- Is this global face a boundary face?
inline bool boundaryFace(const label faceI) const;
//- Which patch is particle on
inline label patch(const label faceI) const;
//- Which face of this patch is this particle on
inline label patchFace
(
const label patchI,
const label faceI
) const;
//- Return the fraction of time-step completed
inline scalar& stepFraction();
//- Return the fraction of time-step completed
inline scalar stepFraction() const;
//- Return const access to the originating processor id
inline label origProc() const;
//- Return the originating processor id for manipulation
inline label& origProc();
//- Return const access to the particle id on originating processor
inline label origId() const;
//- Return the particle id on originating processor for manipulation
inline label& origId();
// Track
//- Track particle to end of trajectory
// or until it hits the boundary.
// On entry 'stepFraction()' should be set to the fraction of the
// time-step at which the tracking starts and on exit it contains
// the fraction of the time-step completed.
// Returns the boundary face index if the track stops at the
// boundary, -1 otherwise.
template<class TrackData>
label track(const vector& endPosition, TrackData& td);
//- Track particle to a given position and returns 1.0 if the
// trajectory is completed without hitting a face otherwise
// stops at the face and returns the fraction of the trajectory
// completed.
// on entry 'stepFraction()' should be set to the fraction of the
// time-step at which the tracking starts.
template<class TrackData>
scalar trackToFace(const vector& endPosition, TrackData& td);
//- Return the index of the face to be used in the interpolation
// routine
inline label faceInterpolation() const;
// Transformations
//- Transform the physical properties of the particle
// according to the given transformation tensor
virtual void transformProperties(const tensor& T);
//- Transform the physical properties of the particle
// according to the given separation vector
virtual void transformProperties(const vector& separation);
//- The nearest distance to a wall that
// the particle can be in the n direction
virtual scalar wallImpactDistance(const vector& n) const;
// Parallel transfer
//- Convert global addressing to the processor patch
// local equivalents
template<class TrackData>
void prepareForParallelTransfer(const label patchI, TrackData& td);
//- Convert processor patch addressing to the global equivalents
// and set the cellI to the face-neighbour
template<class TrackData>
void correctAfterParallelTransfer(const label patchI, TrackData& td);
// I-O
//- Read the fields associated with the owner cloud
template<class CloudType>
static void readFields(CloudType& c);
//- Write the fields associated with the owner cloud
template<class CloudType>
static void writeFields(const CloudType& c);
//- Write the particle data
void write(Ostream& os, bool writeFields) const;
// Friend Operators
friend Ostream& operator<<(Ostream&, const particle&);
friend bool operator==(const particle& pA, const particle& pB);
friend bool operator!=(const particle& pA, const particle& pB);
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "particleI.H"
/*
#define defineParticleTypeNameAndDebug(Type, DebugSwitch) \
template<> \
const Foam::word Particle<Type>::typeName(#Type); \
template<> \
int Particle<Type>::debug(Foam::debug::debugSwitch(#Type, DebugSwitch));
*/
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
# include "particleTemplates.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* // |
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