Nektar::Utilities::ProcessExtractTetPrismInterface Class Reference

Module to extract interface between prismatic and tetrahedral elements. More...

#include <ProcessExtractTetPrismInterface.h>

Inheritance diagram for Nektar::Utilities::ProcessExtractTetPrismInterface:

Public Member Functions
	ProcessExtractTetPrismInterface (NekMeshUtils::MeshSharedPtr m)
virtual	~ProcessExtractTetPrismInterface ()
virtual void	Process ()
	Write mesh to output file. More...
Public Member Functions inherited from Nektar::NekMeshUtils::ProcessModule
NEKMESHUTILS_EXPORT	ProcessModule (MeshSharedPtr p_m)
Public Member Functions inherited from Nektar::NekMeshUtils::Module
NEKMESHUTILS_EXPORT	Module (MeshSharedPtr p_m)
NEKMESHUTILS_EXPORT void	RegisterConfig (std::string key, std::string value=std::string())
	Register a configuration option with a module. More...
NEKMESHUTILS_EXPORT void	PrintConfig ()
	Print out all configuration options for a module. More...
NEKMESHUTILS_EXPORT void	SetDefaults ()
	Sets default configuration options for those which have not been set. More...
NEKMESHUTILS_EXPORT MeshSharedPtr	GetMesh ()
virtual NEKMESHUTILS_EXPORT void	ProcessVertices ()
	Extract element vertices. More...
virtual NEKMESHUTILS_EXPORT void	ProcessEdges (bool ReprocessEdges=true)
	Extract element edges. More...
virtual NEKMESHUTILS_EXPORT void	ProcessFaces (bool ReprocessFaces=true)
	Extract element faces. More...
virtual NEKMESHUTILS_EXPORT void	ProcessElements ()
	Generate element IDs. More...
virtual NEKMESHUTILS_EXPORT void	ProcessComposites ()
	Generate composites. More...
virtual NEKMESHUTILS_EXPORT void	ClearElementLinks ()

Static Public Member Functions
static std::shared_ptr< Module >	create (NekMeshUtils::MeshSharedPtr m)
	Creates an instance of this class. More...

Static Public Attributes
static NekMeshUtils::ModuleKey	className

Additional Inherited Members
Protected Member Functions inherited from Nektar::NekMeshUtils::Module
NEKMESHUTILS_EXPORT void	ReorderPrisms (PerMap &perFaces)
	Reorder node IDs so that prisms and tetrahedra are aligned correctly. More...
NEKMESHUTILS_EXPORT void	PrismLines (int prism, PerMap &perFaces, std::set< int > &prismsDone, std::vector< ElementSharedPtr > &line)
Protected Attributes inherited from Nektar::NekMeshUtils::Module
MeshSharedPtr	m_mesh
	Mesh object. More...
std::map< std::string, ConfigOption >	m_config
	List of configuration values. More...

Detailed Description

Module to extract interface between prismatic and tetrahedral elements.

Definition at line 50 of file ProcessExtractTetPrismInterface.h.

Constructor & Destructor Documentation

ProcessExtractTetPrismInterface()

Nektar::Utilities::ProcessExtractTetPrismInterface::ProcessExtractTetPrismInterface

(

NekMeshUtils::MeshSharedPtr

m

)

Definition at line 58 of file ProcessExtractTetPrismInterface.cpp.

    : ProcessModule(m)
{
}

~ProcessExtractTetPrismInterface()

Nektar::Utilities::ProcessExtractTetPrismInterface::~ProcessExtractTetPrismInterface ( )

virtual

Definition at line 64 of file ProcessExtractTetPrismInterface.cpp.

{
}

Member Function Documentation

create()

static std::shared_ptr<Module> Nektar::Utilities::ProcessExtractTetPrismInterface::create ( NekMeshUtils::MeshSharedPtr  m )

inlinestatic

Creates an instance of this class.

Definition at line 54 of file ProcessExtractTetPrismInterface.h.

    {
        return MemoryManager<
            ProcessExtractTetPrismInterface>::AllocateSharedPtr(m);
    }

Process()

void Nektar::Utilities::ProcessExtractTetPrismInterface::Process ( )

virtual

Write mesh to output file.

Implements Nektar::NekMeshUtils::Module.

Definition at line 68 of file ProcessExtractTetPrismInterface.cpp.

References ASSERTL0, Nektar::LibUtilities::NekFactory< tKey, tBase, tParam >::CreateInstance(), Nektar::LibUtilities::ePrism, Nektar::LibUtilities::eTetrahedron, Nektar::LibUtilities::eTriangle, Nektar::NekMeshUtils::GetElementFactory(), Nektar::NekMeshUtils::Module::m_mesh, Nektar::NekMeshUtils::Module::ProcessComposites(), Nektar::NekMeshUtils::Module::ProcessEdges(), Nektar::NekMeshUtils::Module::ProcessElements(), Nektar::NekMeshUtils::Module::ProcessFaces(), and Nektar::NekMeshUtils::Module::ProcessVertices().

{
    if (m_mesh->m_verbose)
    {
        cout << "ProcessExtractTetPrismInterface: Extracting tet-prism "
             << "interface... " << endl;
    }

    ASSERTL0(m_mesh->m_expDim == 3,
             "The prism-tet interface module"
             " only works for three-dimensional meshes.");

    // Copy 3D elements and 2D boundary elements and clear existing.
    vector<ElementSharedPtr> el    = m_mesh->m_element[m_mesh->m_expDim];
    vector<ElementSharedPtr> bndEl = m_mesh->m_element[m_mesh->m_expDim - 1];
    m_mesh->m_element[m_mesh->m_expDim].clear();
    m_mesh->m_element[m_mesh->m_expDim - 1].clear();

    // Extract prismatic elements.
    for (int i = 0; i < el.size(); ++i)
    {
        ElementSharedPtr elmt = el[i];

        if (elmt->GetConf().m_e == LibUtilities::ePrism)
        {
            m_mesh->m_element[m_mesh->m_expDim].push_back(elmt);
        }
    }

    ASSERTL0(m_mesh->m_element[m_mesh->m_expDim].size() > 0,
             "Mesh does not contain any prismatic elements!");

    // Extract boundary region already associated with prisms
    // (i.e. outer wall of the computational domain)
    for (auto &face : m_mesh->m_faceSet)
    {
        if (face->m_elLink.size() == 1)
        {
            ElementSharedPtr el = face->m_elLink[0].first;

            if (el->GetConf().m_e != LibUtilities::eTetrahedron)
            {
                m_mesh->m_element[m_mesh->m_expDim - 1].push_back(
                    bndEl[el->GetBoundaryLink(face->m_elLink[0].second)]);
            }
        }
    }

    // Now extract prismatic faces that are not connected to any other
    // elements, which denotes the prism/tet boundary.
    for (auto &face : m_mesh->m_faceSet)
    {
        if (face->m_elLink.size() != 1)
        {
            ElementSharedPtr el1 = face->m_elLink[0].first;
            ElementSharedPtr el2 = face->m_elLink[1].first;

            if ((el1->GetConf().m_e == LibUtilities::ePrism &&
                 el2->GetConf().m_e == LibUtilities::eTetrahedron) ||
                (el2->GetConf().m_e == LibUtilities::ePrism &&
                 el1->GetConf().m_e == LibUtilities::eTetrahedron))
            {
                // Create a new linear triangle from face for boundary.
                vector<NodeSharedPtr> nodeList(3);
                vector<int> tags(1);
                tags[0] = m_mesh->m_composite.size();

                nodeList = face->m_vertexList;
                ElmtConfig conf(
                    LibUtilities::eTriangle, 1, false, false, false);
                ElementSharedPtr tri = GetElementFactory().CreateInstance(
                    LibUtilities::eTriangle, conf, nodeList, tags);

                m_mesh->m_element[m_mesh->m_expDim - 1].push_back(tri);
            }
        }
    }

    ProcessVertices();
    ProcessEdges();
    ProcessFaces();
    ProcessElements();
    ProcessComposites();
}

Member Data Documentation

className

ModuleKey Nektar::Utilities::ProcessExtractTetPrismInterface::className

static

Initial value:

=
    GetModuleFactory().RegisterCreatorFunction(
        ModuleKey(eProcessModule, "extracttetprism"),
        ProcessExtractTetPrismInterface::create,
        "Process elements to extract the faces between "
        "tets and prisms.")

Definition at line 59 of file ProcessExtractTetPrismInterface.h.