A 3-dimensional square-based pyramidic element. More...

#include <Pyramid.h>

Inheritance diagram for Nektar::NekMeshUtils::Pyramid:

Public Member Functions
NEKMESHUTILS_EXPORT	Pyramid (ElmtConfig pConf, std::vector< NodeSharedPtr > pNodeList, std::vector< int > pTagList)
	Create a pyramidic element. More...

NEKMESHUTILS_EXPORT	Pyramid (const Pyramid &pSrc)

virtual NEKMESHUTILS_EXPORT	~Pyramid ()

virtual NEKMESHUTILS_EXPORT SpatialDomains::GeometrySharedPtr	GetGeom (int coordDim)
	Generate a Nektar++ geometry object for this element. More...

virtual NEKMESHUTILS_EXPORT int	GetFaceVertex (int i, int j)
	Returns the local index of vertex `j` of face `i`. More...

Public Member Functions inherited from Nektar::NekMeshUtils::Element
NEKMESHUTILS_EXPORT	Element (ElmtConfig pConf, unsigned int pNumNodes, unsigned int pGotNodes)

NEKMESHUTILS_EXPORT unsigned int	GetId () const
	Returns the ID of the element (or associated edge or face for boundary elements). More...

NEKMESHUTILS_EXPORT unsigned int	GetDim () const
	Returns the expansion dimension of the element. More...

NEKMESHUTILS_EXPORT ElmtConfig	GetConf () const
	Returns the configuration of the element. More...

NEKMESHUTILS_EXPORT LibUtilities::ShapeType	GetShapeType () const
	returns the shapetype More...

NEKMESHUTILS_EXPORT std::string	GetTag () const
	Returns the tag which defines the element shape. More...

NEKMESHUTILS_EXPORT NodeSharedPtr	GetVertex (unsigned int i) const
	Access a vertex node. More...

NEKMESHUTILS_EXPORT EdgeSharedPtr	GetEdge (unsigned int i) const
	Access an edge. More...

NEKMESHUTILS_EXPORT FaceSharedPtr	GetFace (unsigned int i) const
	Access a face. More...

NEKMESHUTILS_EXPORT std::vector< NodeSharedPtr >	GetVertexList () const
	Access the list of vertex nodes. More...

NEKMESHUTILS_EXPORT std::vector< EdgeSharedPtr >	GetEdgeList () const
	Access the list of edges. More...

NEKMESHUTILS_EXPORT std::vector< FaceSharedPtr >	GetFaceList () const
	Access the list of faces. More...

NEKMESHUTILS_EXPORT std::vector< NodeSharedPtr >	GetVolumeNodes () const
	Access the list of volume nodes. More...

NEKMESHUTILS_EXPORT void	SetVolumeNodes (std::vector< NodeSharedPtr > &nodes)

NEKMESHUTILS_EXPORT LibUtilities::PointsType	GetCurveType () const

NEKMESHUTILS_EXPORT void	SetCurveType (LibUtilities::PointsType cT)

NEKMESHUTILS_EXPORT unsigned int	GetNodeCount ()
	Returns the total number of nodes (vertices, edge nodes and face nodes and volume nodes). More...

NEKMESHUTILS_EXPORT std::vector< int >	GetTagList () const
	Access the list of tags associated with this element. More...

NEKMESHUTILS_EXPORT unsigned int	GetVertexCount () const
	Returns the number of vertices. More...

NEKMESHUTILS_EXPORT unsigned int	GetEdgeCount () const
	Returns the number of edges. More...

NEKMESHUTILS_EXPORT unsigned int	GetFaceCount () const
	Returns the number of faces. More...

NEKMESHUTILS_EXPORT void	SetId (unsigned int p)
	Change the ID of the element. More...

NEKMESHUTILS_EXPORT void	SetVertex (unsigned int p, NodeSharedPtr pNew, bool descend=true)
	Replace a vertex in the element. More...

NEKMESHUTILS_EXPORT void	SetEdge (unsigned int p, EdgeSharedPtr pNew, bool descend=true)
	Replace an edge in the element. More...

NEKMESHUTILS_EXPORT void	SetFace (unsigned int p, FaceSharedPtr pNew)
	Replace a face in the element. More...

NEKMESHUTILS_EXPORT void	SetEdgeLink (EdgeSharedPtr pLink)
	Set a correspondence between this element and an edge (2D boundary element). More...

NEKMESHUTILS_EXPORT EdgeSharedPtr	GetEdgeLink ()
	Get correspondence between this element and an edge. More...

NEKMESHUTILS_EXPORT void	SetFaceLink (FaceSharedPtr pLink)
	Set a correspondence between this element and a face (3D boundary element). More...

NEKMESHUTILS_EXPORT FaceSharedPtr	GetFaceLink ()
	Get correspondence between this element and a face. More...

NEKMESHUTILS_EXPORT void	SetBoundaryLink (int i, int j)
	Set a correspondence between edge or face i and its representative boundary element m->element[expDim-1][j]. More...

NEKMESHUTILS_EXPORT int	GetBoundaryLink (int i)
	Get the location of the boundary face/edge i for this element. More...

NEKMESHUTILS_EXPORT bool	HasBoundaryLinks ()
	Is this element connected to a boundary. More...

NEKMESHUTILS_EXPORT void	SetTagList (const std::vector< int > &tags)
	Set the list of tags associated with this element. More...

virtual NEKMESHUTILS_EXPORT std::string	GetXmlString ()
	Generate a list of vertices (1D), edges (2D), or faces (3D). More...

virtual NEKMESHUTILS_EXPORT void	GetCurvedNodes (std::vector< NodeSharedPtr > &nodeList) const
	get list of volume interior nodes More...

NEKMESHUTILS_EXPORT std::string	GetXmlCurveString ()
	Generates a string listing the coordinates of all nodes associated with this element. More...

NEKMESHUTILS_EXPORT int	GetMaxOrder ()
	Obtain the order of an element by looking at edges. More...

NEKMESHUTILS_EXPORT bool	IsDeformed ()
	Determines whether an element is deformed by inspecting whether there are any edge, face or volume interior nodes. More...

NEKMESHUTILS_EXPORT std::pair< Node, Node >	GetBoundingBox ()
	Returns the approximate bounding box of this element based on the coordinates of all vertices, edges and faces of the element. Note that this does not robustly take into account the curvature of the element. More...

virtual NEKMESHUTILS_EXPORT void	MakeOrder (int order, SpatialDomains::GeometrySharedPtr geom, LibUtilities::PointsType edgeType, int coordDim, int &id, bool justConfig=false)
	Insert interior (i.e. volume) points into this element to make the geometry an order `order` representation. More...

virtual NEKMESHUTILS_EXPORT StdRegions::Orientation	GetEdgeOrient (int edgeId, EdgeSharedPtr edge)
	Get the edge orientation of `edge` with respect to the local element, which lies at edge index `edgeId`. More...

NEKMESHUTILS_EXPORT void	Print ()

virtual NEKMESHUTILS_EXPORT Array< OneD, NekDouble >	Normal (bool inward=false)
	returns the normal to the element More...

Static Public Member Functions
static ElementSharedPtr	create (ElmtConfig pConf, std::vector< NodeSharedPtr > pNodeList, std::vector< int > pTagList)
	Creates an instance of this class. More...

static NEKMESHUTILS_EXPORT unsigned int	GetNumNodes (ElmtConfig pConf)
	Return the number of nodes defining a pyramid. More...

Public Attributes
int	orientationMap [5]

Public Attributes inherited from Nektar::NekMeshUtils::Element
CADObjectSharedPtr	m_parentCAD

Static Public Attributes
static LibUtilities::ShapeType	type
	Element type. More...

Static Private Attributes
static int	m_faceIds [5][4]
	Vertex IDs that make up pyramid faces. More...

Additional Inherited Members
Protected Attributes inherited from Nektar::NekMeshUtils::Element
unsigned int	m_id
	ID of the element. More...

unsigned int	m_dim
	Dimension of the element. More...

ElmtConfig	m_conf
	Contains configuration of the element. More...

std::string	m_tag
	Tag character describing the element. More...

std::vector< int >	m_taglist
	List of integers specifying properties of the element. More...

std::vector< NodeSharedPtr >	m_vertex
	List of element vertex nodes. More...

std::vector< EdgeSharedPtr >	m_edge
	List of element edges. More...

std::vector< FaceSharedPtr >	m_face
	List of element faces. More...

std::vector< NodeSharedPtr >	m_volumeNodes
	List of element volume nodes. More...

LibUtilities::PointsType	m_curveType
	Volume curve type. More...

EdgeSharedPtr	m_edgeLink
	Pointer to the corresponding edge if element is a 2D boundary. More...

FaceSharedPtr	m_faceLink
	Pointer to the corresponding face if element is a 3D boundary. More...

std::map< int, int >	m_boundaryLinks
	Array mapping faces/edges to the location of the appropriate boundary elements in m->element. More...

SpatialDomains::GeometrySharedPtr	m_geom
	Nektar++ geometry object for this element. More...

Detailed Description

A 3-dimensional square-based pyramidic element.

Definition at line 48 of file Pyramid.h.

Constructor & Destructor Documentation

◆ Pyramid() [1/2]

Nektar::NekMeshUtils::Pyramid::Pyramid	(	ElmtConfig	pConf,
		std::vector< NodeSharedPtr >	pNodeList,
		std::vector< int >	pTagList
	)

Create a pyramidic element.

Definition at line 57 of file Pyramid.cpp.

     : Element(pConf, GetNumNodes(pConf), pNodeList.size())
 {
     m_tag     = "P";
     m_dim     = 3;
     m_taglist = pTagList;
     int n     = m_conf.m_order - 1;
  
     // This edge-node map is based on Nektar++ ordering.
     map<pair<int, int>, int> edgeNodeMap;
     map<pair<int, int>, int>::iterator it;
     edgeNodeMap[pair<int, int>(1, 2)] = 6;
     edgeNodeMap[pair<int, int>(2, 3)] = 6 + n;
     edgeNodeMap[pair<int, int>(4, 3)] = 6 + 2 * n;
     edgeNodeMap[pair<int, int>(1, 4)] = 6 + 3 * n;
     edgeNodeMap[pair<int, int>(1, 5)] = 6 + 4 * n;
     edgeNodeMap[pair<int, int>(2, 5)] = 6 + 5 * n;
     edgeNodeMap[pair<int, int>(3, 5)] = 6 + 6 * n;
     edgeNodeMap[pair<int, int>(4, 5)] = 6 + 7 * n;
  
     // Add vertices
     for (int i = 0; i < 5; ++i)
     {
         m_vertex.push_back(pNodeList[i]);
     }
  
     // Create edges (with corresponding set of edge points)
     int eid = 0;
     for (it = edgeNodeMap.begin(); it != edgeNodeMap.end(); ++it)
     {
         vector<NodeSharedPtr> edgeNodes;
         if (m_conf.m_order > 1)
         {
             for (int j = it->second; j < it->second + n; ++j)
             {
                 edgeNodes.push_back(pNodeList[j - 1]);
             }
         }
         m_edge.push_back(EdgeSharedPtr(new Edge(pNodeList[it->first.first - 1],
                                                 pNodeList[it->first.second - 1],
                                                 edgeNodes,
                                                 m_conf.m_edgeCurveType)));
         m_edge.back()->m_id = eid++;
     }
  
     // Create faces
     int face_edges[5][4];
     int faceoffset = 5 + 8 * n;
     for (int j = 0; j < 5; ++j)
     {
         vector<NodeSharedPtr> faceVertices;
         vector<EdgeSharedPtr> faceEdges;
         vector<NodeSharedPtr> faceNodes;
         int nEdge = j > 0 ? 3 : 4;
  
         for (int k = 0; k < nEdge; ++k)
         {
             faceVertices.push_back(m_vertex[m_faceIds[j][k]]);
             NodeSharedPtr a = m_vertex[m_faceIds[j][k]];
             NodeSharedPtr b = m_vertex[m_faceIds[j][(k + 1) % nEdge]];
             for (unsigned int i = 0; i < m_edge.size(); ++i)
             {
                 if ((m_edge[i]->m_n1 == a && m_edge[i]->m_n2 == b) ||
                     (m_edge[i]->m_n1 == b && m_edge[i]->m_n2 == a))
                 {
                     faceEdges.push_back(m_edge[i]);
                     face_edges[j][k] = i;
                     break;
                 }
             }
         }
  
         if (m_conf.m_faceNodes)
         {
             int facenodes = j == 0 ? n * n : n * (n - 1) / 2;
             for (int i = 0; i < facenodes; ++i)
             {
                 faceNodes.push_back(pNodeList[faceoffset + i]);
             }
             faceoffset += facenodes;
         }
         m_face.push_back(FaceSharedPtr(new Face(
             faceVertices, faceNodes, faceEdges, m_conf.m_faceCurveType)));
     }
  
     // Reorder edges to align with Nektar++ order.
     vector<EdgeSharedPtr> tmp(8);
     tmp[0] = m_edge[face_edges[0][0]];
     tmp[1] = m_edge[face_edges[0][1]];
     tmp[2] = m_edge[face_edges[0][2]];
     tmp[3] = m_edge[face_edges[0][3]];
     tmp[4] = m_edge[face_edges[1][2]];
     tmp[5] = m_edge[face_edges[1][1]];
     tmp[6] = m_edge[face_edges[3][1]];
     tmp[7] = m_edge[face_edges[3][2]];
     m_edge = tmp;
 }

References Nektar::NekMeshUtils::Element::m_conf, Nektar::NekMeshUtils::Element::m_dim, Nektar::NekMeshUtils::Element::m_edge, Nektar::NekMeshUtils::ElmtConfig::m_edgeCurveType, Nektar::NekMeshUtils::Element::m_face, Nektar::NekMeshUtils::ElmtConfig::m_faceCurveType, m_faceIds, Nektar::NekMeshUtils::ElmtConfig::m_faceNodes, Nektar::NekMeshUtils::ElmtConfig::m_order, Nektar::NekMeshUtils::Element::m_tag, Nektar::NekMeshUtils::Element::m_taglist, and Nektar::NekMeshUtils::Element::m_vertex.

◆ Pyramid() [2/2]

NEKMESHUTILS_EXPORT Nektar::NekMeshUtils::Pyramid::Pyramid ( const Pyramid & pSrc )

◆ ~Pyramid()

virtual NEKMESHUTILS_EXPORT Nektar::NekMeshUtils::Pyramid::~Pyramid ( )

inlinevirtual

Definition at line 65 of file Pyramid.h.

66 {

67 }

Member Function Documentation

◆ create()

static ElementSharedPtr Nektar::NekMeshUtils::Pyramid::create	(	ElmtConfig	pConf,
		std::vector< NodeSharedPtr >	pNodeList,
		std::vector< int >	pTagList
	)

inlinestatic

Creates an instance of this class.

Definition at line 52 of file Pyramid.h.

     {
         return std::make_shared<Pyramid>(pConf, pNodeList, pTagList);
     }

◆ GetFaceVertex()

virtual NEKMESHUTILS_EXPORT int Nektar::NekMeshUtils::Pyramid::GetFaceVertex	(	int	i,
		int	j
	)

inlinevirtual

Returns the local index of vertex j of face i.

Reimplemented from Nektar::NekMeshUtils::Element.

Definition at line 72 of file Pyramid.h.

     {
         return m_faceIds[i][j];
     }

References m_faceIds.

◆ GetGeom()

SpatialDomains::GeometrySharedPtr Nektar::NekMeshUtils::Pyramid::GetGeom ( int coordDim )

virtual

Generate a Nektar++ geometry object for this element.

Reimplemented from Nektar::NekMeshUtils::Element.

Definition at line 157 of file Pyramid.cpp.

 {
     SpatialDomains::Geometry2DSharedPtr faces[5];
  
     for (int i = 0; i < 5; ++i)
     {
         faces[i] = m_face[i]->GetGeom(coordDim);
     }
  
     m_geom = MemoryManager<SpatialDomains::PyrGeom>::AllocateSharedPtr(
         m_id, faces);
     m_geom->Setup();
  
     return m_geom;
 }

References Nektar::MemoryManager< DataType >::AllocateSharedPtr(), Nektar::NekMeshUtils::Element::m_face, Nektar::NekMeshUtils::Element::m_geom, and Nektar::NekMeshUtils::Element::m_id.

◆ GetNumNodes()

unsigned int Nektar::NekMeshUtils::Pyramid::GetNumNodes ( ElmtConfig pConf )

static

Return the number of nodes defining a pyramid.

Definition at line 176 of file Pyramid.cpp.

 {
     int n = pConf.m_order;
  
     if (pConf.m_faceNodes)
     {
         // @todo currently only valid for 2nd order pyramids
         return 5 + 8 * (n - 1) + (n - 1)*(n - 1);
     }
     else
     {
         return 5 + 8 * (n - 1);
     }
 }

References Nektar::NekMeshUtils::ElmtConfig::m_faceNodes, and Nektar::NekMeshUtils::ElmtConfig::m_order.

Referenced by Nektar::Utilities::InputGmsh::GetNnodes().

Member Data Documentation

◆ m_faceIds

int Nektar::NekMeshUtils::Pyramid::m_faceIds

staticprivate

Initial value:

= {
    {0, 1, 2, 3}, {0, 1, 4, -1}, {1, 2, 4, -1}, {3, 2, 4, -1}, {0, 3, 4, -1}
}

Vertex IDs that make up pyramid faces.

Definition at line 83 of file Pyramid.h.

Referenced by GetFaceVertex(), and Pyramid().

◆ orientationMap

int Nektar::NekMeshUtils::Pyramid::orientationMap[5]

Orientation of pyramid.

Definition at line 80 of file Pyramid.h.

◆ type

LibUtilities::ShapeType Nektar::NekMeshUtils::Pyramid::type

static

Initial value:

=
    GetElementFactory().RegisterCreatorFunction(
        LibUtilities::ePyramid, Pyramid::create, "Pyramid")

Element type.

Definition at line 59 of file Pyramid.h.

Public Member Functions

Static Public Member Functions

Public Attributes

Static Public Attributes

Static Private Attributes

Additional Inherited Members