ProcessLib::NodalSourceTerm Class Reference

Detailed Description

Definition at line 17 of file NodalSourceTerm.h.

#include <NodalSourceTerm.h>

Inheritance diagram for ProcessLib::NodalSourceTerm:

Collaboration diagram for ProcessLib::NodalSourceTerm:

Public Member Functions
	NodalSourceTerm (std::unique_ptr< NumLib::LocalToGlobalIndexMap > source_term_dof_table, std::size_t const source_term_mesh_id, MeshLib::Mesh const &st_mesh, const int variable_id, const int component_id, ParameterLib::Parameter< double > const &parameter)
void	integrate (const double t, GlobalVector const &x, GlobalVector &b, GlobalMatrix *jac) const override
Public Member Functions inherited from ProcessLib::SourceTerm
	SourceTerm (std::unique_ptr< NumLib::LocalToGlobalIndexMap > source_term_dof_table)
virtual	~SourceTerm ()=default

Private Attributes
std::size_t const	_source_term_mesh_id
MeshLib::Mesh const &	_st_mesh
int const	_variable_id
int const	_component_id
ParameterLib::Parameter< double > const &	_parameter

Additional Inherited Members
Protected Attributes inherited from ProcessLib::SourceTerm
std::unique_ptr< NumLib::LocalToGlobalIndexMap > const	_source_term_dof_table

Constructor & Destructor Documentation

NodalSourceTerm()

ProcessLib::NodalSourceTerm::NodalSourceTerm ( std::unique_ptr< NumLib::LocalToGlobalIndexMap > source_term_dof_table, std::size_t const source_term_mesh_id, MeshLib::Mesh const & st_mesh, const int variable_id, const int component_id, ParameterLib::Parameter< double > const & parameter )

explicit

Definition at line 17 of file NodalSourceTerm.cpp.

    : SourceTerm(std::move(source_term_dof_table)),
      _source_term_mesh_id(source_term_mesh_id),
      _st_mesh(st_mesh),
      _variable_id(variable_id),
      _component_id(component_id),
      _parameter(parameter)
{
    DBUG("Create NodalSourceTerm.");
}

References DBUG().

Member Function Documentation

integrate()

void ProcessLib::NodalSourceTerm::integrate ( const double t, GlobalVector const & x, GlobalVector & b, GlobalMatrix * jac ) const

overridevirtual

Implements ProcessLib::SourceTerm.

Definition at line 34 of file NodalSourceTerm.cpp.

{
    DBUG("Assemble NodalSourceTerm.");
 
    for (MeshLib::Node const* const node : _st_mesh.getNodes())
    {
        auto const node_id = node->getID();
        MeshLib::Location const l{_source_term_mesh_id,
                                  MeshLib::MeshItemType::Node, node_id};
        auto const global_index = _source_term_dof_table->getGlobalIndex(
            l, _variable_id, _component_id);
 
        if (global_index == NumLib::MeshComponentMap::nop)
        {
            continue;
        }
        // For the DDC approach (e.g. with PETSc option), the negative
        // index of global_index means that the entry by that index is a ghost
        // one, which should be dropped. Especially for PETSc routines
        // MatZeroRows and MatZeroRowsColumns, which are called to apply the
        // Dirichlet BC, the negative index is not accepted like other matrix or
        // vector PETSc routines. Therefore, the following if-condition is
        // applied.
        if (global_index >= 0)
        {
            ParameterLib::SpatialPosition pos;
            pos.setNodeID(node_id);
            pos.setCoordinates(*node);
 
            b.add(global_index, _parameter(t, pos).front());
        }
    }
}

References _component_id, _parameter, ProcessLib::SourceTerm::_source_term_dof_table, _source_term_mesh_id, _st_mesh, _variable_id, MathLib::EigenVector::add(), DBUG(), MeshLib::Mesh::getNodes(), MeshLib::Node, NumLib::MeshComponentMap::nop, ParameterLib::SpatialPosition::setCoordinates(), and ParameterLib::SpatialPosition::setNodeID().

Member Data Documentation

_component_id

int const ProcessLib::NodalSourceTerm::_component_id

private

Definition at line 33 of file NodalSourceTerm.h.

Referenced by integrate().

_parameter

ParameterLib::Parameter<double> const& ProcessLib::NodalSourceTerm::_parameter

private

Definition at line 34 of file NodalSourceTerm.h.

Referenced by integrate().

_source_term_mesh_id

std::size_t const ProcessLib::NodalSourceTerm::_source_term_mesh_id

private

Definition at line 30 of file NodalSourceTerm.h.

Referenced by integrate().

_st_mesh

MeshLib::Mesh const& ProcessLib::NodalSourceTerm::_st_mesh

private

Definition at line 31 of file NodalSourceTerm.h.

Referenced by integrate().

_variable_id

int const ProcessLib::NodalSourceTerm::_variable_id

private

Definition at line 32 of file NodalSourceTerm.h.

Referenced by integrate().

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

• ProcessLib/BoundaryConditionAndSourceTerm/NodalSourceTerm.h
• ProcessLib/BoundaryConditionAndSourceTerm/NodalSourceTerm.cpp