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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 ESYS_LSMBODYFORCEGROUP_H
#define ESYS_LSMBODYFORCEGROUP_H
#include "Model/InteractionGroup.h"
#include "Foundation/vec3.h"
template <class TmplParticle> class ParallelParticleArray;
namespace esys
{
namespace lsm
{
class BodyForceIGP : public AIGParam
{
public:
BodyForceIGP();
BodyForceIGP(const std::string &name, const Vec3 &acceleration);
virtual ~BodyForceIGP();
const Vec3 &getAcceleration() const;
const std::string &getName() const;
virtual void packInto(CVarMPIBuffer *pBuffer) const;
static BodyForceIGP extract(CVarMPIBuffer *pBuffer);
virtual std::string getTypeString() const {return "BodyForce";}
protected:
Vec3 m_acceleration;
};
class GravityIGP : public BodyForceIGP
{
public:
GravityIGP() : BodyForceIGP()
{
}
GravityIGP(const std::string &name, const Vec3 &acceleration) : BodyForceIGP(name, acceleration)
{
}
virtual std::string getTypeString() const {return "Gravity";}
private:
};
class BuoyancyIGP : public AIGParam
{
public:
BuoyancyIGP()
{
}
BuoyancyIGP(const std::string &name, const Vec3 &acceleration, const double &fluidDensity, const double &fluidHeight);
virtual std::string getTypeString() const {return "Buoyancy";}
virtual void packInto(CVarMPIBuffer *pBuffer) const;
static BuoyancyIGP extract(CVarMPIBuffer *pBuffer);
const double &getFluidDensity () const;
const double &getFluidHeight () const;
const Vec3 &getAcceleration() const;
private:
Vec3 m_acceleration;
double m_fluidDensity, m_fluidHeight;
};
/**
* Objects of this class apply a gravitational body-acceleration
* to individual particles.
*/
template <class TmplParticle>
class BodyForceGroup : public AInteractionGroup<TmplParticle>
{
public:
typedef ParallelParticleArray<TmplParticle> ParticleArray;
typedef typename ParticleArray::ParticleListIterator ParticleIterator;
BodyForceGroup(const BodyForceIGP &prms, ParticleArray &particleArray);
~BodyForceGroup();
/**
* Returns the force which would be applied to a
* particle of the specified mass.
*
* @param mass A mass ("units" assumed to be same as
* the acceleration units).
*/
Vec3 getForce(double mass) const;
/**
* Applies body force to the specified particle.
*
* @param particle Force applied to this particle using
* a call to particle.applyForce(...).
*/
void applyForce(TmplParticle &particle) const;
virtual void Update(ParallelParticleArray<TmplParticle> *particleArray);
/**
* Null op, time step size not required.
*/
virtual void setTimeStepSize(double dt)
{
}
virtual void calcForces();
private:
Vec3 m_acceleration;
ParticleArray *m_pParticleArray;
};
template <class TmplParticle>
class BuoyancyForceGroup : public AInteractionGroup<TmplParticle>
{
public:
typedef ParallelParticleArray<TmplParticle> ParticleArray;
typedef typename ParticleArray::ParticleListIterator ParticleIterator;
BuoyancyForceGroup(const BuoyancyIGP &prms, ParticleArray &particleArray);
~BuoyancyForceGroup();
/**
* Returns the force which would be applied to a
* particle of the specified mass.
*
* @param mass A mass ("units" assumed to be same as
* the acceleration units).
*/
Vec3 getForce(double volume) const;
/**
* Applies body force to the specified particle.
*
* @param particle Force applied to this particle using
* a call to particle.applyForce(...).
*/
void applyForce(TmplParticle &particle) const;
virtual void Update(ParallelParticleArray<TmplParticle> *particleArray);
/**
* Null op, time step size not required.
*/
virtual void setTimeStepSize(double dt)
{
}
virtual void calcForces();
private:
Vec3 m_acceleration;
ParticleArray *m_pParticleArray;
double m_fluidDensity, m_fluidHeight;
};
}
}
#include "Model/BodyForceGroup.hpp"
#endif
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