#include <src/finite_elements/BiLinearFormsIntegrators.hpp>

Inheritance diagram for MoFEM::OpMixScalarTimesDivImpl< SPACE_DIM, GAUSS, OpBase, COORDINATE_SYSTEM >:

Collaboration diagram for MoFEM::OpMixScalarTimesDivImpl< SPACE_DIM, GAUSS, OpBase, COORDINATE_SYSTEM >:

Public Member Functions
	OpMixScalarTimesDivImpl (const std::string row_field_name, const std::string col_field_name, ScalarFun alpha_fun=[](double, double, double) constexpr { return 1;}, const bool assemble_transpose=false, const bool only_transpose=false)

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...

Protected Member Functions
MoFEMErrorCode	iNtegrate (EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data)
	Integrate grad-grad 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
FTensor::Index< 'i', SPACE_DIM >	i
	summit Index More...

ScalarFun	alphaConstant

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

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...

Detailed Description

template<int SPACE_DIM, typename OpBase, CoordinateTypes COORDINATE_SYSTEM>
struct MoFEM::OpMixScalarTimesDivImpl< SPACE_DIM, GAUSS, OpBase, COORDINATE_SYSTEM >

Definition at line 250 of file BiLinearFormsIntegrators.hpp.

Constructor & Destructor Documentation

◆ OpMixScalarTimesDivImpl()

template<int SPACE_DIM, typename OpBase , CoordinateTypes COORDINATE_SYSTEM>

MoFEM::OpMixScalarTimesDivImpl< SPACE_DIM, GAUSS, OpBase, COORDINATE_SYSTEM >::OpMixScalarTimesDivImpl	(	const std::string	row_field_name,
		const std::string	col_field_name,
		ScalarFun	alpha_fun = `[](double, double, double) constexpr { return 1; }`,
		const bool	assemble_transpose = `false`,
		const bool	only_transpose = `false`
	)

inline

Definition at line 252 of file BiLinearFormsIntegrators.hpp.

                                                                 { return 1; },
      const bool assemble_transpose = false, const bool only_transpose = false)
      : OpBase(row_field_name, col_field_name, OpBase::OPROWCOL),
        alphaConstant(alpha_fun) {
    this->assembleTranspose = assemble_transpose;
    this->onlyTranspose = only_transpose;
    this->sYmm = false;
  }

Member Function Documentation

◆ iNtegrate()

template<int SPACE_DIM, typename OpBase , CoordinateTypes COORDINATE_SYSTEM>

MoFEMErrorCode MoFEM::OpMixScalarTimesDivImpl< SPACE_DIM, GAUSS, OpBase, COORDINATE_SYSTEM >::iNtegrate	(	EntitiesFieldData::EntData &	row_data,
		EntitiesFieldData::EntData &	col_data
	)

protectedvirtual

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 1257 of file BiLinearFormsIntegrators.hpp.

                                        {
  MoFEMFunctionBegin;
 
#ifndef NDEBUG
  if (OpBase::locMat.size2() % SPACE_DIM)
    SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
            "Number of rows in matrix should be multiple of space dimensions");
#endif
 
  // When we move to C++17 add if constexpr()
  if constexpr (COORDINATE_SYSTEM == POLAR || COORDINATE_SYSTEM == SPHERICAL)
    SETERRQ1(PETSC_COMM_SELF, MOFEM_NOT_IMPLEMENTED,
             "%s coordiante not implemented",
             CoordinateTypesNames[COORDINATE_SYSTEM]);
 
  auto t_w = this->getFTensor0IntegrationWeight();
  auto t_coords = this->getFTensor1CoordsAtGaussPts();
  size_t nb_base_functions_row = row_data.getN().size2();
  auto t_row_base = row_data.getFTensor0N();
  const double vol = this->getMeasure();
  for (size_t gg = 0; gg != OpBase::nbIntegrationPts; ++gg) {
 
    const double alpha =
        alphaConstant(t_coords(0), t_coords(1), t_coords(2)) * t_w * vol;
 
    size_t rr = 0;
    auto t_m = getFTensor1FromPtr<SPACE_DIM>(OpBase::locMat.data().data());
 
    // When we move to C++17 add if constexpr()
    if constexpr (COORDINATE_SYSTEM == CARTESIAN) {
      for (; rr != OpBase::nbRows; ++rr) {
        const double r_val = alpha * t_row_base;
        auto t_col_diff_base = col_data.getFTensor1DiffN<SPACE_DIM>(gg, 0);
        for (size_t cc = 0; cc != OpBase::nbCols / SPACE_DIM; ++cc) {
          t_m(i) += r_val * t_col_diff_base(i);
          ++t_col_diff_base;
          ++t_m;
        }
        ++t_row_base;
      }
    }
 
    // When we move to C++17 add if constexpr()
    if constexpr (COORDINATE_SYSTEM == CYLINDRICAL) {
      for (; rr != OpBase::nbRows; ++rr) {
        const double r_val = alpha * t_row_base;
        auto t_col_base = col_data.getFTensor0N(gg, 0);
        auto t_col_diff_base = col_data.getFTensor1DiffN<SPACE_DIM>(gg, 0);
        for (size_t cc = 0; cc != OpBase::nbCols / SPACE_DIM; ++cc) {
          t_m(i) += r_val * t_col_diff_base(i);
          t_m(0) += (r_val / t_coords(0)) * t_col_base;
          ++t_col_base;
          ++t_col_diff_base;
          ++t_m;
        }
        ++t_row_base;
      }
    }
 
    for (; rr < nb_base_functions_row; ++rr)
      ++t_row_base;
 
    ++t_w;
    ++t_coords;
  }
 
  MoFEMFunctionReturn(0);
}