Poisson2DHomogeneousOperators::OpDomainLhsMatrixK Struct Reference

#include <tutorials/scl-1/src/poisson_2d_homogeneous.hpp>

Inheritance diagram for Poisson2DHomogeneousOperators::OpDomainLhsMatrixK:

Collaboration diagram for Poisson2DHomogeneousOperators::OpDomainLhsMatrixK:

Public Member Functions
	OpDomainLhsMatrixK (std::string row_field_name, std::string col_field_name)
MoFEMErrorCode	iNtegrate (EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data)
	Integrate grad-grad operator. More...
Public Member Functions inherited from MoFEM::OpBaseImpl< A, EleOp >
	OpBaseImpl (const std::string row_field_name, const std::string col_field_name, const OpType type, boost::shared_ptr< Range > ents_ptr=nullptr)
MoFEMErrorCode	doWork (int row_side, int col_side, EntityType row_type, EntityType col_type, EntData &row_data, EntData &col_data)
	Do calculations for the left hand side. More...
MoFEMErrorCode	doWork (int row_side, EntityType row_type, EntData &row_data)
	Do calculations for the right hand side. More...

Additional Inherited Members
Public Types inherited from MoFEM::OpBaseImpl< A, EleOp >
using	OpType = typename EleOp::OpType
using	EntData = EntitiesFieldData::EntData
using	MatSetValuesHook = boost::function< MoFEMErrorCode(ForcesAndSourcesCore::UserDataOperator *op_ptr, const EntitiesFieldData::EntData &row_data, const EntitiesFieldData::EntData &col_data, MatrixDouble &m)>
Public Attributes inherited from MoFEM::OpBaseImpl< A, EleOp >
TimeFun	timeScalingFun
	assumes that time variable is set More...
FEFun	feScalingFun
	assumes that time variable is set More...
boost::shared_ptr< Range >	entsPtr
	Entities on which element is run. More...
Static Public Attributes inherited from MoFEM::OpBaseImpl< A, EleOp >
static MatSetValuesHook	matSetValuesHook
Protected Member Functions inherited from MoFEM::OpBaseImpl< A, EleOp >
template<int DIM>
FTensor::Tensor1< FTensor::PackPtr< double *, DIM >, DIM >	getNf ()
template<int DIM>
FTensor::Tensor2< FTensor::PackPtr< double *, DIM >, DIM, DIM >	getLocMat (const int rr)
virtual MoFEMErrorCode	aSsemble (EntData &row_data, EntData &col_data, const bool trans)
virtual MoFEMErrorCode	iNtegrate (EntData &data)
	Class dedicated to integrate operator. More...
virtual MoFEMErrorCode	aSsemble (EntData &data)
virtual size_t	getNbOfBaseFunctions (EntitiesFieldData::EntData &data)
	Get number of base functions. More...
Protected Attributes inherited from MoFEM::OpBaseImpl< A, EleOp >
int	nbRows
	number of dofs on rows More...
int	nbCols
	number if dof on column More...
int	nbIntegrationPts
	number of integration points More...
int	nbRowBaseFunctions
	number or row base functions More...
int	rowSide
	row side number More...
int	colSide
	column side number More...
EntityType	rowType
	row type More...
EntityType	colType
	column type More...
bool	assembleTranspose
bool	onlyTranspose
MatrixDouble	locMat
	local entity block matrix More...
MatrixDouble	locMatTranspose
	local entity block matrix More...
VectorDouble	locF
	local entity vector More...

Detailed Description

Definition at line 40 of file poisson_2d_homogeneous.hpp.

Constructor & Destructor Documentation

OpDomainLhsMatrixK()

Poisson2DHomogeneousOperators::OpDomainLhsMatrixK::OpDomainLhsMatrixK ( std::string  row_field_name, std::string  col_field_name  )

inline

Definition at line 42 of file poisson_2d_homogeneous.hpp.

      : AssemblyDomainEleOp(row_field_name, col_field_name,
                            DomainEleOp::OPROWCOL) {}

Member Function Documentation

iNtegrate()

MoFEMErrorCode Poisson2DHomogeneousOperators::OpDomainLhsMatrixK::iNtegrate ( EntitiesFieldData::EntData &  row_data, EntitiesFieldData::EntData &  col_data  )

inlinevirtual

Integrate grad-grad operator.

Parameters

row_data	row data (consist base functions on row entity)
col_data	column data (consist base functions on column entity)

Returns

error code

Reimplemented from MoFEM::OpBaseImpl< A, EleOp >.

Definition at line 46 of file poisson_2d_homogeneous.hpp.

                                                               {
    MoFEMFunctionBegin;
 
    const int nb_row_dofs = row_data.getIndices().size();
    const int nb_col_dofs = col_data.getIndices().size();
 
    this->locMat.resize(nb_row_dofs, nb_col_dofs, false);
    this->locMat.clear();
 
    // get element area
    const double area = getMeasure();
 
    // get number of integration points
    const int nb_integration_points = getGaussPts().size2();
    // get integration weights
    auto t_w = getFTensor0IntegrationWeight();
 
    // get derivatives of base functions on row
    auto t_row_diff_base = row_data.getFTensor1DiffN<SPACE_DIM>();
 
    // START THE LOOP OVER INTEGRATION POINTS TO CALCULATE LOCAL MATRIX
    for (int gg = 0; gg != nb_integration_points; gg++) {
      const double a = t_w * area;
 
      for (int rr = 0; rr != nb_row_dofs; ++rr) {
        // get derivatives of base functions on column
        auto t_col_diff_base = col_data.getFTensor1DiffN<SPACE_DIM>(gg, 0);
 
        for (int cc = 0; cc != nb_col_dofs; cc++) {
          this->locMat(rr, cc) += t_row_diff_base(i) * t_col_diff_base(i) * a;
 
          // move to the derivatives of the next base functions on column
          ++t_col_diff_base;
        }
 
        // move to the derivatives of the next base functions on row
        ++t_row_diff_base;
      }
 
      // move to the weight of the next integration point
      ++t_w;
    }
 
    MoFEMFunctionReturn(0);
  }

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The documentation for this struct was generated from the following file:

• tutorials/scl-1/src/poisson_2d_homogeneous.hpp