GhostBC Class Reference

#include <vecdoubleghost.h>

Collaboration diagram for GhostBC:

[legend]

List of all members.

Public Member Functions
bool	isGhostIndex (Index ghostIndex)
bool	isMirrorBC (Index ghostIndex)
Index	getPrescribedBCIndex (Index ghostIndex)
void	setGhostCellAsMirror (unsigned ghostIndex, unsigned cellIndex)
void	setGhostBC (Function3D &f)
void	setGhostBCVector (Function3D &f, VecDouble &v)
Public Attributes
GhostBC(OrthoMesh &mesh)	_off = m_mesh.numCells()
	m_vIndices [ghostIndex-_off]
Private Member Functions
	GhostBC (GhostBC &ghost)
GhostBC &	operator= (GhostBC &ghost)
Private Attributes
OrthoMesh &	m_mesh
std::vector< int >	m_vIndices
unsigned	_off
unsigned	_numBC

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Detailed Description

Definition at line 5 of file vecdoubleghost.h.

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Constructor & Destructor Documentation

GhostBC::GhostBC

(

GhostBC &

ghost

)

[private]

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Member Function Documentation

Index GhostBC::getPrescribedBCIndex

(

Index

ghostIndex

)

Definition at line 84 of file vecdoubleghost.cpp.

{
  assert(!isMirrorBC(ghostIndex));
  return m_vIndices[ghostIndex-_off]-_off;
}

bool GhostBC::isGhostIndex

(

Index

ghostIndex

)

Definition at line 91 of file vecdoubleghost.cpp.

{
  return ghostIndex >= _off; 
}

bool GhostBC::isMirrorBC

(

Index

ghostIndex

)

Definition at line 78 of file vecdoubleghost.cpp.

{
  assert(ghostIndex >= _off);
  return m_vIndices[ghostIndex-_off] < _off;
}

GhostBC& GhostBC::operator=

(

GhostBC &

ghost

)

[private]

void GhostBC::setGhostBC

(

Function3D &

f

)

Definition at line 17 of file vecdoubleghost.cpp.

{
    unsigned _numBC=0;
    OrthoMesh::Face_It face = mesh.begin();
    OrthoMesh::Face_It endf = mesh.end();

    for(;face!=endf;face++)
    {
      if (face->at_boundary())
      {
        Point3D p;
        face->barycenter(p);
        face->ghostAdjCellIndices(cell1,cell2);
        if (isGhostIndex(cell1))
        {
          ghostIndex=cell1;
          cellIndex=cell2;
        }
        else
        {
          assert(isGhostIndex(cell2));
          ghostIndex=cell2;
          cellIndex=cell1;
        }
        if (f.isInDomain(p))
          m_vIndices[ghostIndex-off]=_off+_numBC++; 
        else
          setGhostCellAsMirror(ghostIndex,cellIndex);
      }
    }

}

void GhostBC::setGhostBCVector	(	Function3D &	f,
		VecDouble &	v
	)

Definition at line 50 of file vecdoubleghost.cpp.

{
  v.reinit(_numBC);
  OrthoMesh::Face_It face = mesh.begin();
  OrthoMesh::Face_It endf = mesh.end();

  for(;face!=endf;face++)
  {
    if (face->at_boundary())
    {
      Point3D p;
      face->barycenter(p);
      face->ghostAdjCellIndices(cell1,cell2);
      ghostIndex=isGhostIndex(cell1) ? cell1 : cell2;
      if (f.isInDomain(p))
      {
        assert(!isMirrorBC(ghostIndex));
        v(getPrescribedBCIndex(ghostIndex))=f.value(p);
      }
      else
      {
        assert(isMirrorBC(ghostIndex));
      }
    }
  }
}

void GhostBC::setGhostCellAsMirror	(	unsigned	ghostIndex,
		unsigned	cellIndex
	)

Definition at line 6 of file vecdoubleghost.cpp.

  {
    assert(ghostIndex >= m_mesh.numCells());
    assert(cellIndex <  m_mesh.numCells());
    unsigned index = ghostIndex-m_mesh.numCells();
    assert(index < m_vIndices.size());
    m_vIndices[index]=cellIndex;
  }

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Member Data Documentation

unsigned GhostBC::_numBC [private]

Definition at line 10 of file vecdoubleghost.h.

GhostBC (OrthoMesh &mesh) GhostBC::_off = m_mesh.numCells()

Definition at line 17 of file vecdoubleghost.h.

unsigned GhostBC::_off [private]

Definition at line 9 of file vecdoubleghost.h.

OrthoMesh& GhostBC::m_mesh [private]

Definition at line 7 of file vecdoubleghost.h.

GhostBC::m_vIndices[ghostIndex-_off]

Definition at line 17 of file vecdoubleghost.h.

std::vector<int> GhostBC::m_vIndices [private]

Definition at line 8 of file vecdoubleghost.h.

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

• vecdoubleghost.h
• vecdoubleghost.cpp