#include "tutorials/scl-4_nonlinear_poisson_2d/src/nonlinear_poisson_2d.hpp"

Inheritance diagram for NonlinearPoissonOps::OpDomainLhs:

Collaboration diagram for NonlinearPoissonOps::OpDomainLhs:

Public Member Functions
	OpDomainLhs (std::string row_field_name, std::string col_field_name, boost::shared_ptr< VectorDouble > field_vec, boost::shared_ptr< MatrixDouble > field_grad_mat)

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

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.

Private Attributes
boost::shared_ptr< VectorDouble >	fieldVec

boost::shared_ptr< MatrixDouble >	fieldGradMat

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

FEFun	feScalingFun
	set by fe entity handle

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

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

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

template<int ROW_DIM, int COL_DIM = ROW_DIM>
FTensor::Tensor2< FTensor::PackPtr< double *, COL_DIM >, ROW_DIM, COL_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 &)
	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.

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

Definition at line 39 of file nonlinear_poisson_2d.hpp.

Constructor & Destructor Documentation

◆ OpDomainLhs()

NonlinearPoissonOps::OpDomainLhs::OpDomainLhs	(	std::string	row_field_name,
		std::string	col_field_name,
		boost::shared_ptr< VectorDouble >	field_vec,
		boost::shared_ptr< MatrixDouble >	field_grad_mat
	)

inline

Definition at line 41 of file nonlinear_poisson_2d.hpp.

      : AssemblyDomainEleOp(row_field_name, col_field_name, 
      DomainEleOp::OPROWCOL),
      fieldVec(field_vec), fieldGradMat(field_grad_mat) {}

Member Function Documentation

◆ iNtegrate()

MoFEMErrorCode NonlinearPoissonOps::OpDomainLhs::iNtegrate	(	EntData &	,
		EntData &
	)

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 49 of file nonlinear_poisson_2d.hpp.

                                           {
    MoFEMFunctionBegin;
 
    auto &locLhs = AssemblyDomainEleOp::locMat;
 
    const int nb_row_dofs = row_data.getIndices().size();
    const int nb_col_dofs = col_data.getIndices().size();
    // 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 solution (field value) at integration points
    auto t_field = getFTensor0FromVec(*fieldVec);
    // get gradient of field at integration points
    auto t_field_grad = getFTensor1FromMat<2>(*fieldGradMat);
 
    // get base functions on row
    auto t_row_base = row_data.getFTensor0N();
    // get derivatives of base functions on row
    auto t_row_diff_base = row_data.getFTensor1DiffN<2>();
 
    // 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 base functions on column
        auto t_col_base = col_data.getFTensor0N(gg, 0);
        // get derivatives of base functions on column
        auto t_col_diff_base = col_data.getFTensor1DiffN<2>(gg, 0);
 
        for (int cc = 0; cc != nb_col_dofs; cc++) {
          locLhs(rr, cc) += (((1 + t_field * t_field) * t_row_diff_base(i) *
                              t_col_diff_base(i)) +
                              (2.0 * t_field * t_field_grad(i) *
                              t_row_diff_base(i) * t_col_base)) *
                            a;
 
          // move to the next base functions on column
          ++t_col_base;
          // move to the derivatives of the next base function on column
          ++t_col_diff_base;
        }
 
        // move to the next base function on row
        ++t_row_base;
        // move to the derivatives of the next base function on row
        ++t_row_diff_base;
      }
 
      // move to the weight of the next integration point
      ++t_w;
      // move to the solution (field value) at the next integration point
      ++t_field;
      // move to the gradient of field value at the next integration point
      ++t_field_grad;
    }
 
    MoFEMFunctionReturn(0);
  }

Member Data Documentation

◆ fieldGradMat

boost::shared_ptr<MatrixDouble> NonlinearPoissonOps::OpDomainLhs::fieldGradMat

private

Definition at line 116 of file nonlinear_poisson_2d.hpp.

◆ fieldVec

boost::shared_ptr<VectorDouble> NonlinearPoissonOps::OpDomainLhs::fieldVec

private

Definition at line 115 of file nonlinear_poisson_2d.hpp.

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

tutorials/scl-4_nonlinear_poisson_2d/src/nonlinear_poisson_2d.hpp

Public Member Functions

Private Attributes

Additional Inherited Members