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/////////////////////////////////////////////////////////////
// //
// Copyright (c) 2003-2014 by The University of Queensland //
// Centre for Geoscience Computing //
// http://earth.uq.edu.au/centre-geoscience-computing //
// //
// Primary Business: Brisbane, Queensland, Australia //
// Licensed under the Open Software License version 3.0 //
// http://www.apache.org/licenses/LICENSE-2.0 //
// //
/////////////////////////////////////////////////////////////
#ifndef __PARTICLE_H
#define __PARTICLE_H
// -- project includes --
#include "Foundation/Quaternion.h"
#include "Foundation/vec3.h"
#include "Foundation/Matrix3.h"
#include "Model/BasicParticle.h"
#include "Parallel/CheckPointable.h"
//--- STL includes ---
#include <map>
#include <vector>
#include <utility>
#include <string>
#include <iostream>
using std::map;
using std::vector;
using std::pair;
using std::string;
template <class T> class ParallelParticleArray;
class AMPISGBufferRoot;
class AMPIBuffer;
namespace esys
{
namespace lsm
{
class SimpleParticleData;
}
}
/*!
\brief Class for a basic particle
*/
class CParticle : public CBasicParticle, public esys::lsm::CheckPointable
{
public: // types
class exchangeType
{
public:
exchangeType()
: m_pos(),
m_initPos(),
m_oldPos(),
m_vel()
{
m_is_dynamic=true;
}
exchangeType(const Vec3 &pos, const Vec3 &initPos, const Vec3 &oldPos, const Vec3 &vel,bool is_dyn)
: m_pos(pos),
m_initPos(initPos),
m_oldPos(oldPos),
m_vel(vel)
{
m_is_dynamic=is_dyn;
}
Vec3 m_pos;
Vec3 m_initPos;
Vec3 m_oldPos;
Vec3 m_vel;
bool m_is_dynamic;
};
typedef double (CParticle::* ScalarFieldFunction)() const;
typedef Vec3 (CParticle::* VectorFieldFunction)() const;
protected:
//! stress tensor. \warning Warning: this is unscaled, i.e. without the 1/V term
Matrix3 m_sigma;
Vec3 m_vel,m_force;
Vec3 m_oldpos; //!< position at the time of last neighbor search
Vec3 m_initpos; //!< position at time of construction
Vec3 m_circular_shift; //!< shift vector if particle is circular image
double m_mass,m_div_mass;
bool flag;
bool m_is_dynamic;
void setForce(const Vec3 &force) {m_force = force;}
public:
CParticle();
CParticle(double,double,const Vec3&,const Vec3&,const Vec3&,int,bool);
CParticle(double,double,const Vec3&,const Vec3&,const Vec3&,const Vec3&,const Vec3&,int,bool); // including oldpos
CParticle(const esys::lsm::SimpleParticleData &particleData);
virtual ~CParticle(){};
static ScalarFieldFunction getScalarFieldFunction(const string&);
static VectorFieldFunction getVectorFieldFunction(const string&);
inline const Vec3 &getInitPos() const {return m_initpos;}
inline void setInitPos(const Vec3 &initPos) {m_initpos = initPos;}
inline Vec3 getDisplacement() const {return (m_pos-m_oldpos);} ;
inline Vec3 getTotalDisplacement() const {return (m_pos-m_initpos);} ;
inline const Vec3 &getOldPos() const {return m_oldpos;};
inline Vec3 getVel() const {return m_vel;};
inline double getAbsVel() const {return m_vel.norm();};
inline void setVel(const Vec3 &V){m_vel=V;};
inline void setMass(double mass) {m_mass = mass; m_div_mass = 1.0/m_mass;}
inline double getMass() const {return m_mass;};
inline double getInvMass() const {return m_div_mass;};
inline Vec3 getForce() const {return m_force;};
virtual void setDensity(double); // needs to be virtual , different for rot. particle (mom. inert)
void resetDisplacement(){m_oldpos=m_pos;};
double getIDField() const {return double(m_global_id);};
double getTagField() const {return double(getTag());};
void applyForce(const Vec3&,const Vec3&);
virtual void integrate(double);
virtual void integrateTherm(double){}
virtual void zeroForce();
virtual void zeroHeat() {}
virtual void thermExpansion() {}
inline void moveToRel(const Vec3 &v){m_pos=m_initpos+v;}; //!< move relative to initial position
inline double getKineticEnergy() const {return 0.5*m_mass*m_vel*m_vel;};
// switching on/off dynamic behaviour
virtual void setNonDynamic() {m_is_dynamic=false;};
virtual void setNonDynamicLinear() {m_is_dynamic=false;};
virtual void setNonDynamicRot(){}; // do nothing
void setFlag(bool b=true){flag=b;};
bool isFlagged() const {return flag;};
void writeAsDXLine(ostream&,int slid=0);
friend ostream& operator<<(ostream&, const CParticle&);
void print(){cout << *this << endl << flush;};
void rescale() {};
exchangeType getExchangeValues();
void setExchangeValues(const exchangeType&);
// circular
void setCircular(const Vec3&);
// stress
double sigma_xx_2D() const {return m_sigma(0,0)/(M_PI*m_rad*m_rad);};
double sigma_xy_2D() const {return m_sigma(0,1)/(M_PI*m_rad*m_rad);};
double sigma_yy_2D() const {return m_sigma(1,1)/(M_PI*m_rad*m_rad);};
double sigma_d() const;
friend class TML_PackedMessageInterface;
virtual void saveCheckPointData(std::ostream& oStream);
virtual void saveSnapShotData(std::ostream& oStream);
//virtual Quaternion getQuat(){return Quaternion(1.0,Vec3(0.0,0.0,0.0));};
virtual void applyMoment(const Vec3&){};
static void get_type() {cout <<" CParticle" ;};
virtual void loadCheckPointData(std::istream &iStream);
template <typename TmplVisitor>
void visit(TmplVisitor &visitor)
{
visitor.visitParticle(*this);
}
public:
// Ensure that particles only move in the x-y plane 2D computations
inline static void setDo2dCalculations(bool do2dCalculations) {s_do2Calculations = do2dCalculations;}
inline static bool getDo2dCalculations() {return s_do2Calculations;}
private:
static bool s_do2Calculations;
};
/* CParticle extractCParticleFrom(AMPIBuffer*); */
/* CParticle extractCParticleFrom(AMPISGBufferRoot*,int); */
#endif //__PARTICLE_H
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