ViscWallInteraction.hpp

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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.opensource.org/licenses/osl-3.0.php          //
//                                                         //


#ifndef MODEL_VISCWALLINTERACTION_HPP
#define MODEL_VISCWALLINTERACTION_HPP

#include "Model/ViscWallInteraction.h"

template <class T>
CViscWallInteraction<T>::CViscWallInteraction(T* p,CWall* w,double nu,bool iflag):
  AWallInteraction<T>(p,w,iflag)
{
  m_nu=nu;
}

template <class T>
void CViscWallInteraction<T>::calcForces()
{
  Vec3 vp=this->m_p->getVel();
  Vec3 vw=this->m_wall->getVel();

  Vec3 force=m_nu*this->m_p->getMass()*(vp-vw);
  Vec3 pos=this->m_p->getPos();

  this->m_p->applyForce(force,pos);
  if(this->m_inner_flag) this->m_wall->addForce(force);
}

template <class T>
Vec3 CViscWallInteraction<T>::getForce()
{
  Vec3 vp=this->m_p->getVel();
  Vec3 vw=this->m_wall->getVel();

  Vec3 force=m_nu*this->m_p->getMass()*(vw-vp);

  return force;
}

#endif