MarkerParticles_3 Class Reference

#include <MarkerParticles_3.h>

Inheritance diagram for MarkerParticles_3:

Collaboration diagram for MarkerParticles_3:

Public Member Functions
	MarkerParticles_3 (Manifold *wm, COM::Window *buf)
	Construct an object from a window manifold. More...
virtual double	time_stepping (const COM::Attribute *spd, double dt, COM::Attribute *disp, int *smoothed=NULL)
	Main entry of the algorithm. More...
Public Member Functions inherited from Propagation_3
	Propagation_3 ()
virtual	~Propagation_3 ()
	Propagation_3 (Manifold *wm, COM::Window *buf)
	Construct an object from a window manifold. More...
virtual void	set_constraints (const COM::Attribute *cnstr_types)
	Set the types and directions of nodal constraints. More...
void	set_bounds (const COM::Attribute *bnd)
	Set the bounds. More...
void	bound_facial_speed (COM::Attribute *fa)
virtual void	enforce_nodal_constraints (COM::Attribute *du)
	Enforces the nodal constraints by projecting motion onto given direction. More...
virtual void	bound_nodal_motion (COM::Attribute *disps)
void	set_verbose (bool b)
	Set the verbose level. More...

Protected Member Functions
void	multiply_nodal_normals (const COM::Attribute *a, COM::Attribute *b)
Protected Member Functions inherited from Propagation_3
void	convert_constraints (const COM::Attribute *ctypes_faces, COM::Attribute *ctypes_nodes)
	Convert facial constraints to nodal constraints. More...
void	determine_constraint_boundary (const COM::Attribute *ctypes_faces, COM::Attribute *ctypes_bndry_edges, COM::Attribute *ctypes_bndry_nodes)
	Convert facial or panel constraints to nodal constraints. More...

Additional Inherited Members
Static Protected Member Functions inherited from Propagation_3
static void	get_constraint_directions (int type, int &ndirs, Vector_3 dirs[2])
	Get orthonormals of the constraints. More...
static void	enforce_nodal_constraint (int type, Vector_3 &du)
	Enforce constraint for a specific vector. More...
static void	bound_nodal_motion (const Point_3 &pnt, const double *bnd, Vector_3 &du, double eps=0)
static bool	check_spherical_bound (const Point_3 &pnt, const Point_3 &org, const double rad_min, const double rad_max, double eps=0)
static void	bound_spherical_disp (const Point_3 &pnt, const Point_3 &org, const double rad_min, const double rad_max, Vector_3 &disp, double eps=0)
static bool	check_radial_bound (const double x, const double y, const double bnd_min, const double bnd_max, double eps=0)
static void	bound_radial_disp (const double x, const double y, const double bnd_min, const double bnd_max, double &dx, double &dy, double eps=0)
static bool	check_axial_bound (const double x, const double bnd_min, const double bnd_max, double eps=0)
static void	bound_axial_disp (const double x, const double bnd_min, const double bnd_max, double &dx, double eps=0)
static bool	reached_nodal_bound (const Point_3 &pnt, const double *bnd, double eps=0)
static bool	in_bounding_box (const Point_3 &pnt, const Point_3 &lb, const Point_3 &ub)
static double	square (double x)
Protected Attributes inherited from Propagation_3
Manifold *	_surf
SURF::Access_Mode	_mode
COM::Window *	_buf
int	_rank
bool	_verb
bool	_cnstr_set
bool	_bnd_set
COM::Attribute *	_cnstr_nodes
COM::Attribute *	_cnstr_faces
COM::Attribute *	_cnstr_bndry_edges
COM::Attribute *	_cnstr_bndry_nodes
COM::Attribute *	_cnstr_bound
std::vector< COM::Pane * >	_panes

Detailed Description

Definition at line 38 of file MarkerParticles_3.h.

Constructor & Destructor Documentation

MarkerParticles_3 ( Manifold *  wm, COM::Window *  buf  )

inline

Construct an object from a window manifold.

Definition at line 41 of file MarkerParticles_3.h.

    : Propagation_3( wm, buf) {}

Member Function Documentation

void multiply_nodal_normals ( const COM::Attribute *  a, COM::Attribute *  b  )

protected

Definition at line 45 of file MarkerParticles_3.C.

References Propagation_3::_surf, COM_DOUBLE, COM_MESH, E2N_ANGLE, Attribute::inherit(), and Rocblas::mul().

Referenced by time_stepping().

                                                               {
  assert( spd->size_of_components()==1);

  if ( spd->is_nodal()) { 
    // compute normals
    _surf->compute_normals( disp);
    
    // If spd is not elemental, simply need call Rocblas
    Rocblas::mul( disp, spd, disp);
  }
  else {
    // Create a buffer window to store the element normals
    COM::Window *win = disp->window();
    COM::Window buf( win->name()+"-marker", win->get_communicator());
    buf.inherit( win->attribute( COM::COM_MESH), "", false, true, NULL, 0);
    Attribute *node_disps = buf.inherit( disp, "disps", false, true, NULL, 0);
    buf.inherit(const_cast<COM::Attribute*>(spd), "spd", false, true, NULL, 0);
    Attribute *elem_normals = 
      buf.new_attribute( "elem_normals", 'e', COM_DOUBLE, 3, "");
    buf.resize_array( "elem_normals", 0, NULL);
    buf.init_done();

    // First, compute elemental normals
    _surf->compute_normals( elem_normals);

    // Multiply elemental normals by speed
    Rocblas::mul( elem_normals, spd, elem_normals);

    // Convert elemental motion to nodal motion
    _surf->elements_to_nodes( elem_normals, node_disps, SURF::E2N_ANGLE);
  }
}

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PROP_BEGIN_NAMESPACE double time_stepping ( const COM::Attribute *  spd, double  dt, COM::Attribute *  disp, int *  smoothed = NULL  )

virtual

Main entry of the algorithm.

Implements Propagation_3.

Definition at line 31 of file MarkerParticles_3.C.

References COM_assertion, Rocblas::mul_scalar(), and multiply_nodal_normals().

                                                                     {
  COM_assertion( spd->size_of_components()==1);
  COM_assertion( disp->size_of_components()==3 && disp->is_nodal());

  multiply_nodal_normals( spd, disp);
  Rocblas::mul_scalar( disp, &dt, disp);
  
  if ( smoothed) *smoothed = false;
  return dt;
}

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The documentation for this class was generated from the following files:

• MarkerParticles_3.h
• MarkerParticles_3.C