#include "src/finite_elements/BiLinearFormsIntegratorsImpl.hpp"

Inheritance diagram for MoFEM::OpMassImpl< 1, FIELD_DIM, GAUSS, OpBase >:

Collaboration diagram for MoFEM::OpMassImpl< 1, FIELD_DIM, GAUSS, OpBase >:

Protected Member Functions
MoFEMErrorCode	integrateImpl (EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data, double vol)

MoFEMErrorCode	iNtegrate (EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data)
	Integrate grad-grad operator.

Protected Member Functions inherited from MoFEM::OpMassImpl< 1, 1, GAUSS, OpBase >
MoFEMErrorCode	integrateImpl (EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data, double vol)

Protected Member Functions inherited from MoFEM::OpBaseImpl< A, EleOp >
template<int DIM>
FTensor::Tensor1< FTensor::PackPtr< double *, DIM >, DIM >	getNf ()
	Get local vector tensor for assembly.

template<int DIM>
FTensor::Tensor2< FTensor::PackPtr< double *, DIM >, DIM, DIM >	getLocMat (const int rr)
	Get local matrix tensor for assembly.

virtual MoFEMErrorCode	aSsemble (EntData &row_data, EntData &col_data, const bool trans)
	Assemble local matrix into global matrix.

virtual MoFEMErrorCode	iNtegrate (EntData &data)
	Class dedicated to integrate operator.

virtual MoFEMErrorCode	aSsemble (EntData &data)
	Assemble local vector into global vector.

virtual size_t	getNbOfBaseFunctions (EntitiesFieldData::EntData &data)
	Get number of base functions.

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 Member Functions inherited from MoFEM::OpMassImpl< 1, 1, GAUSS, OpBase >
	OpMassImpl (const std::string row_field_name, const std::string col_field_name, ScalarFun beta=[](double, double, double) constexpr { return 1;}, boost::shared_ptr< Range > ents_ptr=nullptr, boost::shared_ptr< MatrixDouble > cache_mat=nullptr)

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)
	Constructor for base operator implementation.

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.

MoFEMErrorCode	doWork (int row_side, EntityType row_type, EntData &row_data)
	Do calculations for the right hand side.

Public Attributes inherited from MoFEM::OpBaseImpl< A, EleOp >
TimeFun	timeScalingFun
	assumes that time variable is set

FEFun	feScalingFun
	assumes that time variable is set

boost::shared_ptr< Range >	entsPtr
	Entities on which element is run.

Static Public Attributes inherited from MoFEM::OpBaseImpl< A, EleOp >
static MatSetValuesHook	matSetValuesHook

Protected Attributes inherited from MoFEM::OpMassImpl< 1, 1, GAUSS, OpBase >
ScalarFun	betaCoeff = [](double, double, double) constexpr { return 1; }

Protected Attributes inherited from MoFEM::OpBaseImpl< A, EleOp >
int	nbRows
	number of dofs on rows

int	nbCols
	number if dof on column

int	nbIntegrationPts
	number of integration points

int	nbRowBaseFunctions
	number or row base functions

int	rowSide
	row side number

int	colSide
	column side number

EntityType	rowType
	row type

EntityType	colType
	column type

bool	assembleTranspose

bool	onlyTranspose

MatrixDouble	locMat
	local entity block matrix

MatrixDouble	locMatTranspose
	local entity block matrix

VectorDouble	locF
	local entity vector

Detailed Description

template<int FIELD_DIM, typename OpBase>
struct MoFEM::OpMassImpl< 1, FIELD_DIM, GAUSS, OpBase >

Definition at line 92 of file BiLinearFormsIntegratorsImpl.hpp.

Member Function Documentation

◆ iNtegrate()

template<int FIELD_DIM, typename OpBase >

MoFEMErrorCode MoFEM::OpMassImpl< 1, FIELD_DIM, GAUSS, OpBase >::iNtegrate	(	EntitiesFieldData::EntData &	row_data,
		EntitiesFieldData::EntData &	col_data
	)

inlineprotectedvirtual

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::OpMassImpl< 1, 1, GAUSS, OpBase >.

Definition at line 101 of file BiLinearFormsIntegratorsImpl.hpp.

                                                                      {
    return integrateImpl(row_data, col_data, OpBase::getMeasure());
  }

◆ integrateImpl()

template<int FIELD_DIM, typename OpBase >

MoFEMErrorCode MoFEM::OpMassImpl< 1, FIELD_DIM, GAUSS, OpBase >::integrateImpl	(	EntitiesFieldData::EntData &	row_data,
		EntitiesFieldData::EntData &	col_data,
		double	vol
	)

protected

Definition at line 602 of file BiLinearFormsIntegratorsImpl.hpp.

                {
  MoFEMFunctionBegin;
 
  auto integrate = [&](auto &mat) {
    MoFEMFunctionBeginHot;
    // get integration weights
    auto t_w = OpBase::getFTensor0IntegrationWeight();
    // get base function gradient on rows
    auto t_row_base = row_data.getFTensor0N();
    // get coordinate at integration points
    auto t_coords = OpBase::getFTensor1CoordsAtGaussPts();
 
    FTensor::Index<'i', FIELD_DIM> i;
    auto get_t_vec = [&](const int rr) {
      std::array<double *, FIELD_DIM> ptrs;
      for (auto i = 0; i != FIELD_DIM; ++i)
        ptrs[i] = &mat(rr + i, i);
      return FTensor::Tensor1<FTensor::PackPtr<double *, FIELD_DIM>, FIELD_DIM>(
          ptrs);
    };
 
    // loop over integration points
    for (int gg = 0; gg != OpBase::nbIntegrationPts; gg++) {
      const double beta = betaCoeff(t_coords(0), t_coords(1), t_coords(2));
      // take into account Jacobian
      const double alpha = t_w * beta;
      // loop over rows base functions
      int rr = 0;
      for (; rr != OpBase::nbRows / FIELD_DIM; rr++) {
        // get column base functions gradient at gauss point gg
        auto t_col_base = col_data.getFTensor0N(gg, 0);
        // get mat vec
        auto t_vec = get_t_vec(FIELD_DIM * rr);
        // loop over columns
        for (int cc = 0; cc != OpBase::nbCols / FIELD_DIM; cc++) {
          // calculate element of local matrix
          t_vec(i) += alpha * (t_row_base * t_col_base);
          ++t_col_base;
          ++t_vec;
        }
        ++t_row_base;
      }
      for (; rr < OpBase::nbRowBaseFunctions; ++rr)
        ++t_row_base;
      ++t_coords;
      ++t_w; // move to another integration weight
    }
    MoFEMFunctionReturnHot(0);
  };
 
  CHKERR integrate(OpBase::locMat);
  OpBase::locMat *= vol;
 
  MoFEMFunctionReturn(0);
};

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

src/finite_elements/BiLinearFormsIntegratorsImpl.hpp

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ iNtegrate()

◆ integrateImpl()