PointPropagate.h

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// $Id: PointPropagate.h,v 1.4 2008/12/06 08:45:28 mtcampbe Exp $

#ifndef _POINT_PROPAGATE_H_
#define _POINT_PROPAGATE_H_

#include "speeds.h"
#include "Element_accessors.h"

PROP_BEGIN_NAMESPACE

class PointPropagate {
public:
  // Propagate the faces of a given window.
  static void propagate_faces( const std::string &wname, const Speed &s,
                               double t, double dt, const std::string &vname);

  // Propagate the nodes of a given window.
  static void propagate_nodes( const std::string &wname, const Speed &s,
                               double t, double dt, const std::string &vname);

protected:
  // Integrate the motion of a given point
  static Vector_3 time_integrate( const Point_3 &p, const Speed &s, 
                                  double t, double dt, int order);
  
  // Integrate the motion of the Gauss points of a given face
  static void propagate_gp_of_element(const Point_3 *pnts, 
                                      COM::Element_node_enumerator &ene, 
                                      const Speed &s, double t, double dt, 
                                      Vector_3 *qp_vels);

};

PROP_END_NAMESPACE

#endif