Nektar::FieldUtils::ProcessDisplacement Class Reference

#include <ProcessDisplacement.h>

Inheritance diagram for Nektar::FieldUtils::ProcessDisplacement:

Public Member Functions
	ProcessDisplacement (FieldSharedPtr f)
	~ProcessDisplacement () override
Public Member Functions inherited from Nektar::FieldUtils::ProcessBoundaryExtract
	ProcessBoundaryExtract (FieldSharedPtr f)
	~ProcessBoundaryExtract () override
Public Member Functions inherited from Nektar::FieldUtils::ProcessModule
	ProcessModule ()
	ProcessModule (FieldSharedPtr p_f)
Public Member Functions inherited from Nektar::FieldUtils::Module
FIELD_UTILS_EXPORT	Module (FieldSharedPtr p_f)
virtual	~Module ()=default
void	Process (po::variables_map &vm)
std::string	GetModuleName ()
std::string	GetModuleDescription ()
const ConfigOption &	GetConfigOption (const std::string &key) const
ModulePriority	GetModulePriority ()
std::vector< ModuleKey >	GetModulePrerequisites ()
FIELD_UTILS_EXPORT void	RegisterConfig (std::string key, std::string value="")
	Register a configuration option with a module.
FIELD_UTILS_EXPORT void	PrintConfig ()
	Print out all configuration options for a module.
FIELD_UTILS_EXPORT void	SetDefaults ()
	Sets default configuration options for those which have not been set.
FIELD_UTILS_EXPORT void	AddFile (std::string fileType, std::string fileName)
FIELD_UTILS_EXPORT void	EvaluateTriFieldAtEquiSpacedPts (LocalRegions::ExpansionSharedPtr &exp, const Array< OneD, const NekDouble > &infield, Array< OneD, NekDouble > &outfield)

Static Public Member Functions
static std::shared_ptr< Module >	create (FieldSharedPtr f)
	Creates an instance of this class.
Static Public Member Functions inherited from Nektar::FieldUtils::ProcessBoundaryExtract
static std::shared_ptr< Module >	create (FieldSharedPtr f)
	Creates an instance of this class.

Static Public Attributes
static ModuleKey	className
Static Public Attributes inherited from Nektar::FieldUtils::ProcessBoundaryExtract
static ModuleKey	className

Protected Member Functions
void	v_Process (po::variables_map &vm) override
	Write mesh to output file.
std::string	v_GetModuleName () override
std::string	v_GetModuleDescription () override
Protected Member Functions inherited from Nektar::FieldUtils::ProcessBoundaryExtract
ModulePriority	v_GetModulePriority () override
Protected Member Functions inherited from Nektar::FieldUtils::Module
	Module ()
virtual std::vector< ModuleKey >	v_GetModulePrerequisites ()

Additional Inherited Members
Public Attributes inherited from Nektar::FieldUtils::Module
FieldSharedPtr	m_f
	Field object.
Protected Attributes inherited from Nektar::FieldUtils::Module
std::map< std::string, ConfigOption >	m_config
	List of configuration values.
std::set< std::string >	m_allowedFiles
	List of allowed file formats.

Detailed Description

Definition at line 43 of file ProcessDisplacement.h.

Constructor & Destructor Documentation

ProcessDisplacement()

Nektar::FieldUtils::ProcessDisplacement::ProcessDisplacement

(

FieldSharedPtr

f

)

Definition at line 101 of file ProcessDisplacement.cpp.

    : ProcessBoundaryExtract(f)
{
    m_config["to"] =
        ConfigOption(false, "", "Name of file containing high order boundary");
 
    m_config["usevertexids"] = ConfigOption(
        true, "0", "Use vertex IDs instead of face IDs for matching");
}

References Nektar::FieldUtils::Module::m_config.

~ProcessDisplacement()

Nektar::FieldUtils::ProcessDisplacement::~ProcessDisplacement ( )

override

Definition at line 111 of file ProcessDisplacement.cpp.

{
}

Member Function Documentation

create()

static std::shared_ptr< Module > Nektar::FieldUtils::ProcessDisplacement::create ( FieldSharedPtr  f )

inlinestatic

Creates an instance of this class.

Definition at line 47 of file ProcessDisplacement.h.

    {
        return MemoryManager<ProcessDisplacement>::AllocateSharedPtr(f);
    }

References Nektar::MemoryManager< DataType >::AllocateSharedPtr().

v_GetModuleDescription()

std::string Nektar::FieldUtils::ProcessDisplacement::v_GetModuleDescription ( )

inlineoverrideprotectedvirtual

Reimplemented from Nektar::FieldUtils::ProcessBoundaryExtract.

Definition at line 65 of file ProcessDisplacement.h.

    {
        return "Calculating displacement";
    }

v_GetModuleName()

std::string Nektar::FieldUtils::ProcessDisplacement::v_GetModuleName ( )

inlineoverrideprotectedvirtual

Reimplemented from Nektar::FieldUtils::ProcessBoundaryExtract.

Definition at line 60 of file ProcessDisplacement.h.

    {
        return "ProcessDisplacement";
    }

v_Process()

void Nektar::FieldUtils::ProcessDisplacement::v_Process ( po::variables_map &  vm )

overrideprotectedvirtual

Write mesh to output file.

Reimplemented from Nektar::FieldUtils::ProcessBoundaryExtract.

Definition at line 115 of file ProcessDisplacement.cpp.

{
    ProcessBoundaryExtract::v_Process(vm);
    ASSERTL0(!boost::iequals(m_config["bnd"].as<string>(), "All"),
             "ProcessDisplacement needs bnd parameter with a single id.");
 
    string toFile = m_config["to"].as<string>();
 
    if (toFile == "")
    {
        cout << "ProcessDisplacement: you must provide a file" << endl;
        return;
    }
 
    bool useVertexIds = m_config["usevertexids"].as<bool>();
 
    vector<string> files;
    files.push_back(toFile);
    LibUtilities::SessionReaderSharedPtr bndSession =
        LibUtilities::SessionReader::CreateInstance(0, nullptr, files);
    SpatialDomains::MeshGraphSharedPtr bndGraph =
        SpatialDomains::MeshGraphIO::Read(bndSession);
 
    // Try to find boundary condition expansion.
    int bndCondId = m_config["bnd"].as<int>();
 
    // FIXME: We should be storing boundary condition IDs
    // somewhere...
    if (bndGraph->GetMeshDimension() == 1)
    {
        m_f->m_exp.push_back(m_f->AppendExpList(0, "v"));
        m_f->m_variables.push_back("v");
 
        MultiRegions::ExpListSharedPtr bndCondExpU =
            m_f->m_exp[0]->GetBndCondExpansions()[bndCondId];
        MultiRegions::ExpListSharedPtr bndCondExpV =
            m_f->m_exp[1]->GetBndCondExpansions()[bndCondId];
 
        map<int, int> bndCondIds;
        for (int i = 0; i < bndCondExpU->GetExpSize(); ++i)
        {
            bndCondIds[bndCondExpU->GetExp(i)->GetGeom()->GetGlobalID()] = i;
        }
 
        for (auto [id, seg] : bndGraph->GetGeomMap<SpatialDomains::SegGeom>())
        {
            auto mIt = bndCondIds.find(id);
 
            if (mIt == bndCondIds.end())
            {
                cout << "Warning: couldn't find element " << id << endl;
                continue;
            }
 
            int e = mIt->second;
 
            // SpatialDomains::SegGeom* from =
            //     dynamic_cast<SpatialDomains::SegGeom*>(
            //         bndCondExpU->GetExp(e)->GetGeom());
 
            SpatialDomains::SegGeom *to = seg;
 
            // Create temporary SegExp
            LocalRegions::SegExpSharedPtr toSeg =
                MemoryManager<LocalRegions::SegExp>::AllocateSharedPtr(
                    bndCondExpU->GetExp(e)->GetBasis(0)->GetBasisKey(), to);
 
            const int offset = bndCondExpU->GetPhys_Offset(e);
            const int nq     = toSeg->GetTotPoints();
 
            Array<OneD, NekDouble> xL(nq), xC(nq), yL(nq), yC(nq), tmp;
 
            bndCondExpU->GetExp(e)->GetCoords(xC, yC);
            toSeg->GetCoords(xL, yL);
 
            Vmath::Vsub(nq, xL, 1, xC, 1,
                        tmp = bndCondExpU->UpdatePhys() + offset, 1);
            Vmath::Vsub(nq, yL, 1, yC, 1,
                        tmp = bndCondExpV->UpdatePhys() + offset, 1);
        }
 
        // bndconstrained?
        bndCondExpU->FwdTransBndConstrained(bndCondExpU->GetPhys(),
                                            bndCondExpU->UpdateCoeffs());
        bndCondExpV->FwdTransBndConstrained(bndCondExpV->GetPhys(),
                                            bndCondExpV->UpdateCoeffs());
    }
    else if (bndGraph->GetMeshDimension() == 2)
    {
        m_f->m_exp.push_back(m_f->AppendExpList(0, "v"));
        m_f->m_exp.push_back(m_f->AppendExpList(0, "w"));
        m_f->m_variables.push_back("v");
        m_f->m_variables.push_back("w");
 
        MultiRegions::ExpListSharedPtr bndCondExpU =
            m_f->m_exp[0]->GetBndCondExpansions()[bndCondId];
        MultiRegions::ExpListSharedPtr bndCondExpV =
            m_f->m_exp[1]->GetBndCondExpansions()[bndCondId];
        MultiRegions::ExpListSharedPtr bndCondExpW =
            m_f->m_exp[2]->GetBndCondExpansions()[bndCondId];
 
        map<int, int> bndCondIds;
        for (int i = 0; i < bndCondExpU->GetExpSize(); ++i)
        {
            bndCondIds[bndCondExpU->GetExp(i)->GetGeom()->GetGlobalID()] = i;
        }
 
        TriFaceMap vertexFaceMap;
 
        if (useVertexIds)
        {
            for (int i = 0; i < bndCondExpU->GetExpSize(); ++i)
            {
                SpatialDomains::TriGeom *from =
                    dynamic_cast<SpatialDomains::TriGeom *>(
                        bndCondExpU->GetExp(i)->GetGeom());
 
                TriFaceIDs t(from->GetVid(0), from->GetVid(1), from->GetVid(2));
                vertexFaceMap[t] = i;
            }
        }
 
        for (auto [id, tri] : bndGraph->GetGeomMap<SpatialDomains::TriGeom>())
        {
            int e;
 
            if (useVertexIds)
            {
                TriFaceIDs t(tri->GetVid(0), tri->GetVid(1), tri->GetVid(2));
 
                auto tIt = vertexFaceMap.find(t);
                e        = tIt == vertexFaceMap.end() ? -1 : tIt->second;
            }
            else
            {
                auto mIt = bndCondIds.find(id);
                e        = mIt == bndCondIds.end() ? -1 : mIt->second;
            }
 
            if (e == -1)
            {
                cout << "Warning: couldn't find element " << id << endl;
                continue;
            }
 
            // SpatialDomains::TriGeom* from =
            //     dynamic_cast<SpatialDomains::TriGeom*>(
            //         bndCondExpU->GetExp(e)->GetGeom());
 
            SpatialDomains::TriGeom *to = tri;
 
            // Create temporary SegExp
            LocalRegions::TriExpSharedPtr toSeg =
                MemoryManager<LocalRegions::TriExp>::AllocateSharedPtr(
                    bndCondExpU->GetExp(e)->GetBasis(0)->GetBasisKey(),
                    bndCondExpV->GetExp(e)->GetBasis(1)->GetBasisKey(), to);
 
            const int offset = bndCondExpU->GetPhys_Offset(e);
            const int nq     = toSeg->GetTotPoints();
 
            Array<OneD, NekDouble> xL(nq), xC(nq), yL(nq), yC(nq), tmp;
            Array<OneD, NekDouble> zL(nq), zC(nq);
 
            bndCondExpU->GetExp(e)->GetCoords(xC, yC, zC);
            toSeg->GetCoords(xL, yL, zL);
 
            Vmath::Vsub(nq, xL, 1, xC, 1,
                        tmp = bndCondExpU->UpdatePhys() + offset, 1);
            Vmath::Vsub(nq, yL, 1, yC, 1,
                        tmp = bndCondExpV->UpdatePhys() + offset, 1);
            Vmath::Vsub(nq, zL, 1, zC, 1,
                        tmp = bndCondExpW->UpdatePhys() + offset, 1);
        }
 
        // bndconstrained?
        bndCondExpU->FwdTransBndConstrained(bndCondExpU->GetPhys(),
                                            bndCondExpU->UpdateCoeffs());
        bndCondExpV->FwdTransBndConstrained(bndCondExpV->GetPhys(),
                                            bndCondExpV->UpdateCoeffs());
        bndCondExpW->FwdTransBndConstrained(bndCondExpW->GetPhys(),
                                            bndCondExpW->UpdateCoeffs());
    }
}

References Nektar::MemoryManager< DataType >::AllocateSharedPtr(), ASSERTL0, Nektar::LibUtilities::SessionReader::CreateInstance(), Nektar::SpatialDomains::Geometry::GetVid(), Nektar::FieldUtils::Module::m_config, Nektar::FieldUtils::Module::m_f, Nektar::SpatialDomains::MeshGraphIO::Read(), Nektar::FieldUtils::ProcessBoundaryExtract::v_Process(), and Vmath::Vsub().

Member Data Documentation

className

ModuleKey Nektar::FieldUtils::ProcessDisplacement::className

static

Initial value:

=
    GetModuleFactory().RegisterCreatorFunction(
        ModuleKey(eProcessModule, "displacement"), ProcessDisplacement::create,
        "Deform a mesh given an input field defining displacement")

Definition at line 51 of file ProcessDisplacement.h.