#include <src/finite_elements/LinearFormsIntegrators.hpp>

Inheritance diagram for MoFEM::OpGradTimesTensorImpl< 1, 1, SPACE_DIM, S, GAUSS, OpBase >:

Collaboration diagram for MoFEM::OpGradTimesTensorImpl< 1, 1, SPACE_DIM, S, GAUSS, OpBase >:

Public Member Functions
	OpGradTimesTensorImpl (const std::string field_name, boost::shared_ptr< MatrixDouble > mat_vals, ScalarFun beta_coeff=[](double, double, double) constexpr { return 1;}, boost::shared_ptr< Range > ents_ptr=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)

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...

Public Attributes
FTensor::Index< 'i', SPACE_DIM >	i
	summit Index More...

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...

Protected Member Functions
MoFEMErrorCode	iNtegrate (EntitiesFieldData::EntData &data)
	Class dedicated to integrate operator. More...

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	iNtegrate (EntData &row_data, EntData &col_data)
	Integrate grad-grad operator. More...

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)

Protected Attributes
boost::shared_ptr< MatrixDouble >	matVals

ScalarFun	betaCoeff

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...

Additional Inherited Members
Public Types inherited from MoFEM::OpBaseImpl< A, EleOp >
using	OpType = typename EleOp::OpType

using	EntData = EntitiesFieldData::EntData

Detailed Description

template<int SPACE_DIM, int S, typename OpBase>
struct MoFEM::OpGradTimesTensorImpl< 1, 1, SPACE_DIM, S, GAUSS, OpBase >

Definition at line 181 of file LinearFormsIntegrators.hpp.

Constructor & Destructor Documentation

◆ OpGradTimesTensorImpl()

template<int SPACE_DIM, int S, typename OpBase >

MoFEM::OpGradTimesTensorImpl< 1, 1, SPACE_DIM, S, GAUSS, OpBase >::OpGradTimesTensorImpl	(	const std::string	field_name,
		boost::shared_ptr< MatrixDouble >	mat_vals,
		ScalarFun	beta_coeff = `[](double, double, double) constexpr { return 1; }`,
		boost::shared_ptr< Range >	ents_ptr = `nullptr`
	)

inline

Definition at line 186 of file LinearFormsIntegrators.hpp.

                                                                  { return 1; },
      boost::shared_ptr<Range> ents_ptr = nullptr)
      : OpBase(field_name, field_name, OpBase::OPROW, ents_ptr),
        matVals(mat_vals), betaCoeff(beta_coeff) {}

Member Function Documentation

◆ iNtegrate()

template<int SPACE_DIM, int S, typename OpBase >

MoFEMErrorCode MoFEM::OpGradTimesTensorImpl< 1, 1, SPACE_DIM, S, GAUSS, OpBase >::iNtegrate ( EntitiesFieldData::EntData & data )

protectedvirtual

Class dedicated to integrate operator.

Parameters

data	entity data on element row

Returns: error code

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

Definition at line 790 of file LinearFormsIntegrators.hpp.

                                        {
  MoFEMFunctionBegin;
 
  // get element volume
  const double vol = OpBase::getMeasure();
  // get integration weights
  auto t_w = OpBase::getFTensor0IntegrationWeight();
  // get base function gradient on rows
  auto t_row_grad = row_data.getFTensor1DiffN<SPACE_DIM>();
  // get filed gradient values
  auto t_val_grad = getFTensor1FromMat<SPACE_DIM, S>(*(matVals));
  // get coordinate at integration points
  auto t_coords = OpBase::getFTensor1CoordsAtGaussPts();
  // loop over integration points
  for (int gg = 0; gg != OpBase::nbIntegrationPts; gg++) {
    const double beta = vol * 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; rr++) {
      // calculate element of local matrix
      OpBase::locF[rr] += alpha * (t_row_grad(i) * t_val_grad(i));
      ++t_row_grad; // move to another element of gradient of base
                    // function on row
    }
    for (; rr < OpBase::nbRowBaseFunctions; ++rr)
      ++t_row_grad;
 
    ++t_coords;
    ++t_val_grad;
    ++t_w; // move to another integration weight
  }
  MoFEMFunctionReturn(0);
}