Nektar::FieldUtils::ProcessCreateExp Class Reference

This processing module scales the input fld file. More...

#include <ProcessCreateExp.h>

Inheritance diagram for Nektar::FieldUtils::ProcessCreateExp:

Public Member Functions
	ProcessCreateExp (FieldSharedPtr f)
virtual	~ProcessCreateExp ()
virtual void	Process (po::variables_map &vm)
	Write mesh to output file. More...
virtual std::string	GetModuleName ()
virtual std::string	GetModuleDescription ()
virtual ModulePriority	GetModulePriority ()
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)
FIELD_UTILS_EXPORT void	RegisterConfig (std::string key, std::string value="")
	Register a configuration option with a module. More...
FIELD_UTILS_EXPORT void	PrintConfig ()
	Print out all configuration options for a module. More...
FIELD_UTILS_EXPORT void	SetDefaults ()
	Sets default configuration options for those which have not been set. More...
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. More...

Static Public Attributes
static ModuleKey	className

Additional Inherited Members
Protected Member Functions inherited from Nektar::FieldUtils::Module
	Module ()
Protected Attributes inherited from Nektar::FieldUtils::Module
FieldSharedPtr	m_f
	Field object. More...
std::map< std::string, ConfigOption >	m_config
	List of configuration values. More...

Detailed Description

This processing module scales the input fld file.

Definition at line 49 of file ProcessCreateExp.h.

Constructor & Destructor Documentation

ProcessCreateExp()

Nektar::FieldUtils::ProcessCreateExp::ProcessCreateExp

(

FieldSharedPtr

f

)

Definition at line 55 of file ProcessCreateExp.cpp.

                                                   : ProcessModule(f)
{
}

~ProcessCreateExp()

Nektar::FieldUtils::ProcessCreateExp::~ProcessCreateExp ( )

virtual

Definition at line 59 of file ProcessCreateExp.cpp.

{
}

Member Function Documentation

create()

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

inlinestatic

Creates an instance of this class.

Definition at line 53 of file ProcessCreateExp.h.

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

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

GetModuleDescription()

virtual std::string Nektar::FieldUtils::ProcessCreateExp::GetModuleDescription ( )

inlinevirtual

Reimplemented from Nektar::FieldUtils::Module.

Definition at line 70 of file ProcessCreateExp.h.

    {
        return "Creating m_exp if needed";
    }

GetModuleName()

virtual std::string Nektar::FieldUtils::ProcessCreateExp::GetModuleName ( )

inlinevirtual

Implements Nektar::FieldUtils::Module.

Definition at line 65 of file ProcessCreateExp.h.

    {
        return "ProcessCreateExp";
    }

GetModulePriority()

virtual ModulePriority Nektar::FieldUtils::ProcessCreateExp::GetModulePriority ( )

inlinevirtual

Implements Nektar::FieldUtils::Module.

Definition at line 75 of file ProcessCreateExp.h.

References Nektar::FieldUtils::eCreateExp.

    {
        return eCreateExp;
    }

Process()

void Nektar::FieldUtils::ProcessCreateExp::Process ( po::variables_map &  vm )

virtual

Write mesh to output file.

Implements Nektar::FieldUtils::Module.

Definition at line 63 of file ProcessCreateExp.cpp.

References Nektar::MemoryManager< DataType >::AllocateSharedPtr(), Nektar::StdRegions::find(), Nektar::FieldUtils::Module::m_f, Nektar::LibUtilities::Timer::Start(), Nektar::LibUtilities::Timer::Stop(), and Nektar::LibUtilities::Timer::TimePerTest().

{
    if(m_f->m_graph)
    {
        int i, j;
        LibUtilities::Timer timerpart;
        if (m_f->m_verbose)
        {
            if (m_f->m_comm->TreatAsRankZero())
            {
                timerpart.Start();
            }
        }

        // check to see if fld file defined so can use in
        // expansion defintion if required
        bool fldfilegiven = (m_f->m_fielddef.size() != 0);
        bool expFromFld   = fldfilegiven  && !vm.count("useSessionExpansion");

        // load fielddef header if fld file is defined. This gives
        // precedence to Homogeneous definition in fld file
        m_f->m_numHomogeneousDir = 0;
        if (expFromFld)
        {
            m_f->m_numHomogeneousDir = m_f->m_fielddef[0]->m_numHomogeneousDir;

            // Set up Expansion information to use mode order from field
            m_f->m_graph->SetExpansions(m_f->m_fielddef);
        }
        else
        {
            if (m_f->m_session->DefinesSolverInfo("HOMOGENEOUS"))
            {
                std::string HomoStr = 
                        m_f->m_session->GetSolverInfo("HOMOGENEOUS");

                if ((HomoStr == "HOMOGENEOUS1D") ||
                    (HomoStr == "Homogeneous1D") ||
                    (HomoStr == "1D") || (HomoStr == "Homo1D"))
                {
                    m_f->m_numHomogeneousDir = 1;
                }
                if ((HomoStr == "HOMOGENEOUS2D") ||
                    (HomoStr == "Homogeneous2D") ||
                    (HomoStr == "2D") || (HomoStr == "Homo2D"))
                {
                    m_f->m_numHomogeneousDir = 2;
                }
            }
        }

        m_f->m_exp.resize(1);

        // Check  if there are any elements to process
        vector<int> IDs;
        auto domain = m_f->m_graph->GetDomain();
        for(int d = 0; d < domain.size(); ++d)
        {
            for (auto &compIter : domain[d])
            {
                for (auto &x : compIter.second->m_geomVec)
                {
                    IDs.push_back(x->GetGlobalID());
                }
            }
        }

        // if Range has been specified it is possible to have a
        // partition which is empty so check this and return with empty
        // expansion if no elements present.
        if (!IDs.size())
        {
            m_f->m_exp[0] = MemoryManager<MultiRegions::ExpList>::
                            AllocateSharedPtr();
            return;
        }

        // Adjust number of quadrature points
        if (vm.count("output-points"))
        {
            int nPointsNew = vm["output-points"].as<int>();
            m_f->m_graph->SetExpansionsToPointOrder(nPointsNew);
        }

        if (m_f->m_verbose)
        {
            if (m_f->m_comm->TreatAsRankZero())
            {
                timerpart.Stop();
                NekDouble cpuTime = timerpart.TimePerTest(1);

                stringstream ss;
                ss << cpuTime << "s";
                cout << "\t ProcessCreateExp setexpansion CPU Time: "
                     << setw(8) << left
                     << ss.str() << endl;
                timerpart.Start();
            }
        }

        // Override number of planes with value from cmd line
        if (m_f->m_numHomogeneousDir == 1 && vm.count("output-points-hom-z"))
        {
            int expdim = m_f->m_graph->GetMeshDimension();
            m_f->m_fielddef[0]->m_numModes[expdim] =
                vm["output-points-hom-z"].as<int>();
        }

        m_f->m_exp[0] = m_f->SetUpFirstExpList(m_f->m_numHomogeneousDir,
                                                expFromFld);

        if (m_f->m_verbose)
        {
            if (m_f->m_comm->TreatAsRankZero())
            {
                timerpart.Stop();
                NekDouble cpuTime = timerpart.TimePerTest(1);

                stringstream ss1;

                ss1 << cpuTime << "s";
                cout << "\t ProcessCreateExp set first exp CPU Time: "
                     << setw(8)   << left
                     << ss1.str() << endl;
            }
        }

        if (fldfilegiven)
        {
            int nfields, nstrips;

            m_f->m_session->LoadParameter("Strip_Z", nstrips, 1);

            vector<string> vars = m_f->m_session->GetVariables();
            if (vm.count("useSessionVariables"))
            {
                m_f->m_variables = vars;
            }
            nfields = m_f->m_variables.size();

            m_f->m_exp.resize(nfields * nstrips);

            // declare other fields;
            for (int s = 0; s < nstrips; ++s) // homogeneous strip varient
            {
                for (i = 0; i < nfields; ++i)
                {
                    if (i < vars.size())
                    {
                        // check to see if field already defined
                        if (!m_f->m_exp[s * nfields + i])
                        {
                            m_f->m_exp[s * nfields + i] = m_f->AppendExpList(
                              m_f->m_numHomogeneousDir, vars[i]);
                        }
                    }
                    else
                    {
                        if (vars.size())
                        {
                            m_f->m_exp[s * nfields + i] = m_f->AppendExpList(
                              m_f->m_numHomogeneousDir, vars[0]);
                        }
                        else
                        {
                            m_f->m_exp[s * nfields + i] = m_f->AppendExpList(
                                m_f->m_numHomogeneousDir);
                        }
                    }
                }
            }

            // Extract data to coeffs and bwd transform
            for (int s = 0; s < nstrips; ++s) // homogeneous strip varient
            {
                for (j = 0; j < nfields; ++j)
                {
                    for (i = 0; i < m_f->m_data.size() / nstrips; ++i)
                    {
                        int n = i * nstrips + s;
                        // In case of multiple flds, we might not have a
                        //   variable in this m_data[n] -> skip in this case
                        auto it = find (m_f->m_fielddef[n]->m_fields.begin(),
                                        m_f->m_fielddef[n]->m_fields.end(),
                                        m_f->m_variables[j]);
                        if(it !=m_f->m_fielddef[n]->m_fields.end())
                        {
                            m_f->m_exp[s * nfields + j]->ExtractDataToCoeffs(
                                m_f->m_fielddef[n],
                                m_f->m_data[n],
                                m_f->m_variables[j],
                                m_f->m_exp[s * nfields + j]->UpdateCoeffs());
                        }
                    }
                    m_f->m_exp[s * nfields + j]->BwdTrans(
                        m_f->m_exp[s * nfields + j]->GetCoeffs(),
                        m_f->m_exp[s * nfields + j]->UpdatePhys());
                }
            }
            // Clear fielddef and data
            //    (they should not be used after running this module)
            m_f->m_fielddef = vector<LibUtilities::FieldDefinitionsSharedPtr>();
            m_f->m_data     = vector<std::vector<NekDouble> >();
        }
    }

}

Member Data Documentation

className

ModuleKey Nektar::FieldUtils::ProcessCreateExp::className

static

Initial value:

=
    GetModuleFactory().RegisterCreatorFunction(
        ModuleKey(eProcessModule, "createExp"),
        ProcessCreateExp::create,
        "dummy module used to create m_exp.")

Definition at line 57 of file ProcessCreateExp.h.