#include "src/finite_elements/LinearFormsIntegratorsImpl.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)
	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
FTensor::Index< 'i', SPACE_DIM >	i
	summit Index

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

FEFun	feScalingFun
	set by fe entity handle

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

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

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

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

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

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

Protected Attributes
boost::shared_ptr< MatrixDouble >	matVals

ScalarFun	betaCoeff

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

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)>

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

Detailed Description

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

Definition at line 188 of file LinearFormsIntegratorsImpl.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 193 of file LinearFormsIntegratorsImpl.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 723 of file LinearFormsIntegratorsImpl.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 field 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);
}