FieldApproximationH1::OpApproxVolume< FUNEVAL > Struct Template Reference

Gauss point operators to calculate matrices and vectors. More...

#include <users_modules/basic_finite_elements/src/FieldApproximation.hpp>

Inheritance diagram for FieldApproximationH1::OpApproxVolume< FUNEVAL >:

Collaboration diagram for FieldApproximationH1::OpApproxVolume< FUNEVAL >:

Public Member Functions
	OpApproxVolume (const std::string &field_name, Mat _A, std::vector< Vec > &vec_F, FUNEVAL &function_evaluator)
virtual	~OpApproxVolume ()
MoFEMErrorCode	doWork (int row_side, int col_side, EntityType row_type, EntityType col_type, EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data)
	calculate matrix More...
MoFEMErrorCode	doWork (int side, EntityType type, EntitiesFieldData::EntData &data)
	calculate vector More...
Public Member Functions inherited from MoFEM::VolumeElementForcesAndSourcesCore::UserDataOperator
int	getNumNodes ()
	get element number of nodes More...
const EntityHandle *	getConn ()
	get element connectivity More...
double	getVolume () const
	element volume (linear geometry) More...
double &	getVolume ()
	element volume (linear geometry) More...
FTensor::Tensor2< double *, 3, 3 > &	getJac ()
	get element Jacobian More...
FTensor::Tensor2< double *, 3, 3 > &	getInvJac ()
	get element inverse Jacobian More...
VectorDouble &	getCoords ()
	nodal coordinates More...
VolumeElementForcesAndSourcesCore *	getVolumeFE () const
	return pointer to Generic Volume Finite Element object More...
Public Member Functions inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
	UserDataOperator (const FieldSpace space, const char type=OPSPACE, const bool symm=true)
	UserDataOperator (const std::string field_name, const char type, const bool symm=true)
	UserDataOperator (const std::string row_field_name, const std::string col_field_name, const char type, const bool symm=true)
boost::shared_ptr< const NumeredEntFiniteElement >	getNumeredEntFiniteElementPtr () const
	Return raw pointer to NumeredEntFiniteElement. More...
EntityHandle	getFEEntityHandle () const
	Return finite element entity handle. More...
int	getFEDim () const
	Get dimension of finite element. More...
EntityType	getFEType () const
	Get dimension of finite element. More...
boost::weak_ptr< SideNumber >	getSideNumberPtr (const int side_number, const EntityType type)
	Get the side number pointer. More...
EntityHandle	getSideEntity (const int side_number, const EntityType type)
	Get the side entity. More...
int	getNumberOfNodesOnElement () const
	Get the number of nodes on finite element. More...
MoFEMErrorCode	getProblemRowIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
	Get row indices. More...
MoFEMErrorCode	getProblemColIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
	Get col indices. More...
const FEMethod *	getFEMethod () const
	Return raw pointer to Finite Element Method object. More...
int	getOpType () const
	Get operator types. More...
void	setOpType (const OpType type)
	Set operator type. More...
void	addOpType (const OpType type)
	Add operator type. More...
int	getNinTheLoop () const
	get number of finite element in the loop More...
int	getLoopSize () const
	get size of elements in the loop More...
std::string	getFEName () const
	Get name of the element. More...
ForcesAndSourcesCore *	getPtrFE () const
ForcesAndSourcesCore *	getSidePtrFE () const
ForcesAndSourcesCore *	getRefinePtrFE () const
const PetscData::Switches &	getDataCtx () const
const KspMethod::KSPContext	getKSPCtx () const
const SnesMethod::SNESContext	getSNESCtx () const
const TSMethod::TSContext	getTSCtx () const
Vec	getKSPf () const
Mat	getKSPA () const
Mat	getKSPB () const
Vec	getSNESf () const
Vec	getSNESx () const
Mat	getSNESA () const
Mat	getSNESB () const
Vec	getTSu () const
Vec	getTSu_t () const
Vec	getTSu_tt () const
Vec	getTSf () const
Mat	getTSA () const
Mat	getTSB () const
int	getTSstep () const
double	getTStime () const
double	getTStimeStep () const
double	getTSa () const
double	getTSaa () const
MatrixDouble &	getGaussPts ()
	matrix of integration (Gauss) points for Volume Element More...
auto	getFTensor0IntegrationWeight ()
	Get integration weights. More...
MatrixDouble &	getCoordsAtGaussPts ()
	Gauss points and weight, matrix (nb. of points x 3) More...
auto	getFTensor1CoordsAtGaussPts ()
	Get coordinates at integration points assuming linear geometry. More...
double	getMeasure () const
	get measure of element More...
double &	getMeasure ()
	get measure of element More...
MoFEMErrorCode	loopSide (const string &fe_name, ForcesAndSourcesCore *side_fe, const size_t dim, const EntityHandle ent_for_side=0, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy)
	User call this function to loop over elements on the side of face. This function calls finite element with is operator to do calculations. More...
MoFEMErrorCode	loopThis (const string &fe_name, ForcesAndSourcesCore *parent_fe, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy)
	User call this function to loop over parent elements. This function calls finite element with is operator to do calculations. More...
MoFEMErrorCode	loopParent (const string &fe_name, ForcesAndSourcesCore *parent_fe, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy)
	User call this function to loop over parent elements. This function calls finite element with is operator to do calculations. More...
MoFEMErrorCode	loopChildren (const string &fe_name, ForcesAndSourcesCore *child_fe, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy)
	User call this function to loop over parent elements. This function calls finite element with is operator to do calculations. More...
Public Member Functions inherited from MoFEM::DataOperator
	DataOperator (const bool symm=true)
virtual	~DataOperator ()=default
virtual MoFEMErrorCode	doWork (int row_side, int col_side, EntityType row_type, EntityType col_type, EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data)
	Operator for bi-linear form, usually to calculate values on left hand side. More...
virtual MoFEMErrorCode	opLhs (EntitiesFieldData &row_data, EntitiesFieldData &col_data)
virtual MoFEMErrorCode	doWork (int side, EntityType type, EntitiesFieldData::EntData &data)
	Operator for linear form, usually to calculate values on right hand side. More...
virtual MoFEMErrorCode	opRhs (EntitiesFieldData &data, const bool error_if_no_base=false)
bool	getSymm () const
	Get if operator uses symmetry of DOFs or not. More...
void	setSymm ()
	set if operator is executed taking in account symmetry More...
void	unSetSymm ()
	unset if operator is executed for non symmetric problem More...

Public Attributes
Mat	A
std::vector< Vec > &	vecF
FUNEVAL &	functionEvaluator
MatrixDouble	NN
MatrixDouble	transNN
std::vector< VectorDouble >	Nf
Public Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
char	opType
std::string	rowFieldName
std::string	colFieldName
FieldSpace	sPace
Public Attributes inherited from MoFEM::DataOperator
DoWorkLhsHookFunType	doWorkLhsHook
DoWorkRhsHookFunType	doWorkRhsHook
bool	sYmm
	If true assume that matrix is symmetric structure. More...
std::array< bool, MBMAXTYPE >	doEntities
	If true operator is executed for entity. More...
bool &	doVertices
	\deprectaed If false skip vertices More...
bool &	doEdges
	\deprectaed If false skip edges More...
bool &	doQuads
	\deprectaed More...
bool &	doTris
	\deprectaed More...
bool &	doTets
	\deprectaed More...
bool &	doPrisms
	\deprectaed More...

Additional Inherited Members
Public Types inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
enum	OpType {   OPROW = 1 << 0 , OPCOL = 1 << 1 , OPROWCOL = 1 << 2 , OPSPACE = 1 << 3 ,   OPLAST = 1 << 3 }
	Controls loop over entities on element. More...
Public Types inherited from MoFEM::DataOperator
using	DoWorkLhsHookFunType = boost::function< MoFEMErrorCode(DataOperator *op_ptr, int row_side, int col_side, EntityType row_type, EntityType col_type, EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data)>
using	DoWorkRhsHookFunType = boost::function< MoFEMErrorCode(DataOperator *op_ptr, int side, EntityType type, EntitiesFieldData::EntData &data)>
Static Public Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
static const char *const	OpTypeNames []
Protected Member Functions inherited from MoFEM::VolumeElementForcesAndSourcesCore::UserDataOperator
MoFEMErrorCode	setPtrFE (ForcesAndSourcesCore *ptr)
virtual MoFEMErrorCode	setPtrFE (ForcesAndSourcesCore *ptr)
Protected Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
ForcesAndSourcesCore *	ptrFE

Detailed Description

template<typename FUNEVAL>
struct FieldApproximationH1::OpApproxVolume< FUNEVAL >

Gauss point operators to calculate matrices and vectors.

Function work on volumes (Terahedrons & Bricks)

Definition at line 32 of file FieldApproximation.hpp.

Constructor & Destructor Documentation

OpApproxVolume()

template<typename FUNEVAL >

FieldApproximationH1::OpApproxVolume< FUNEVAL >::OpApproxVolume ( const std::string &  field_name, Mat  _A, std::vector< Vec > &  vec_F, FUNEVAL &  function_evaluator  )

inline

Definition at line 39 of file FieldApproximation.hpp.

        : VolumeElementForcesAndSourcesCore::UserDataOperator(
              field_name, UserDataOperator::OPROW | UserDataOperator::OPROWCOL),
          A(_A), vecF(vec_F), functionEvaluator(function_evaluator) {}

~OpApproxVolume()

template<typename FUNEVAL >

virtual FieldApproximationH1::OpApproxVolume< FUNEVAL >::~OpApproxVolume ( )

inlinevirtual

Definition at line 44 of file FieldApproximation.hpp.

{}

Member Function Documentation

doWork() [1/2]

template<typename FUNEVAL >

MoFEMErrorCode FieldApproximationH1::OpApproxVolume< FUNEVAL >::doWork ( int  row_side, int  col_side, EntityType  row_type, EntityType  col_type, EntitiesFieldData::EntData &  row_data, EntitiesFieldData::EntData &  col_data  )

inline

calculate matrix

Definition at line 52 of file FieldApproximation.hpp.

                                                              {
      MoFEMFunctionBegin;
 
      if (A == PETSC_NULL)
        MoFEMFunctionReturnHot(0);
      if (row_data.getIndices().size() == 0)
        MoFEMFunctionReturnHot(0);
      if (col_data.getIndices().size() == 0)
        MoFEMFunctionReturnHot(0);
 
      const auto &dof_ptr = row_data.getFieldDofs()[0];
      int rank = dof_ptr->getNbOfCoeffs();
 
      int nb_row_dofs = row_data.getIndices().size() / rank;
      int nb_col_dofs = col_data.getIndices().size() / rank;
 
      NN.resize(nb_row_dofs, nb_col_dofs, false);
      NN.clear();
 
      unsigned int nb_gauss_pts = row_data.getN().size1();
      for (unsigned int gg = 0; gg != nb_gauss_pts; gg++) {
        double w = getVolume() * getGaussPts()(3, gg);
        // noalias(NN) += w*outer_prod(row_data.getN(gg),col_data.getN(gg));
        cblas_dger(CblasRowMajor, nb_row_dofs, nb_col_dofs, w,
                   &row_data.getN()(gg, 0), 1, &col_data.getN()(gg, 0), 1,
                   &*NN.data().begin(), nb_col_dofs);
      }
 
      if ((row_type != col_type) || (row_side != col_side)) {
        transNN.resize(nb_col_dofs, nb_row_dofs, false);
        ublas::noalias(transNN) = trans(NN);
      }
 
      double *data = &*NN.data().begin();
      double *trans_data = &*transNN.data().begin();
      VectorInt row_indices, col_indices;
      row_indices.resize(nb_row_dofs);
      col_indices.resize(nb_col_dofs);
 
      for (int rr = 0; rr < rank; rr++) {
 
        if ((row_data.getIndices().size() % rank) != 0) {
          SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
                  "data inconsistency");
        }
 
        if ((col_data.getIndices().size() % rank) != 0) {
          SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
                  "data inconsistency");
        }
 
        unsigned int nb_rows;
        unsigned int nb_cols;
        int *rows;
        int *cols;
 
        if (rank > 1) {
 
          ublas::noalias(row_indices) = ublas::vector_slice<VectorInt>(
              row_data.getIndices(),
              ublas::slice(rr, rank, row_data.getIndices().size() / rank));
          ublas::noalias(col_indices) = ublas::vector_slice<VectorInt>(
              col_data.getIndices(),
              ublas::slice(rr, rank, col_data.getIndices().size() / rank));
 
          nb_rows = row_indices.size();
          nb_cols = col_indices.size();
          rows = &*row_indices.data().begin();
          cols = &*col_indices.data().begin();
 
        } else {
 
          nb_rows = row_data.getIndices().size();
          nb_cols = col_data.getIndices().size();
          rows = &*row_data.getIndices().data().begin();
          cols = &*col_data.getIndices().data().begin();
        }
 
        if (nb_rows != NN.size1()) {
          SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
                  "data inconsistency");
        }
        if (nb_cols != NN.size2()) {
          SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
                  "data inconsistency");
        }
 
        CHKERR MatSetValues(A, nb_rows, rows, nb_cols, cols, data, ADD_VALUES);
        if ((row_type != col_type) || (row_side != col_side)) {
          if (nb_rows != transNN.size2()) {
            SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
                    "data inconsistency");
          }
          if (nb_cols != transNN.size1()) {
            SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
                    "data inconsistency");
          }
          CHKERR MatSetValues(A, nb_cols, cols, nb_rows, rows, trans_data,
                              ADD_VALUES);
        }
      }
 
      MoFEMFunctionReturn(0);
    }

doWork() [2/2]

template<typename FUNEVAL >

MoFEMErrorCode FieldApproximationH1::OpApproxVolume< FUNEVAL >::doWork ( int  side, EntityType  type, EntitiesFieldData::EntData &  data  )

inline

calculate vector

Definition at line 162 of file FieldApproximation.hpp.

                                                          {
      MoFEMFunctionBegin;
 
      if (data.getIndices().size() == 0)
        MoFEMFunctionReturnHot(0);
 
      // PetscAttachDebugger();
 
      const auto &dof_ptr = data.getFieldDofs()[0];
      unsigned int rank = dof_ptr->getNbOfCoeffs();
 
      int nb_row_dofs = data.getIndices().size() / rank;
 
      if (getCoordsAtGaussPts().size1() != data.getN().size1()) {
        SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
                "data inconsistency");
      }
      if (getCoordsAtGaussPts().size2() != 3) {
        SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
                "data inconsistency");
      }
 
      // integration
      unsigned int nb_gauss_pts = data.getN().size1();
      for (unsigned int gg = 0; gg != nb_gauss_pts; gg++) {
 
        const double w = getVolume() * getGaussPts()(3, gg);
        // intergartion point global positions for linear tetrahedral element
        const double x = getCoordsAtGaussPts()(gg, 0);
        const double y = getCoordsAtGaussPts()(gg, 1);
        const double z = getCoordsAtGaussPts()(gg, 2);
 
        std::vector<VectorDouble> fun_val;
 
        fun_val = functionEvaluator(x, y, z);
 
        if (fun_val.size() != vecF.size()) {
          SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
                  "data inconsistency");
        }
 
        Nf.resize(fun_val.size());
        for (unsigned int lhs = 0; lhs != fun_val.size(); lhs++) {
 
          if (!gg) {
            Nf[lhs].resize(data.getIndices().size());
            Nf[lhs].clear();
          }
 
          if (fun_val[lhs].size() != rank) {
            SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
                    "data inconsistency");
          }
 
          for (unsigned int rr = 0; rr != rank; rr++) {
            cblas_daxpy(nb_row_dofs, w * (fun_val[lhs])[rr],
                        &data.getN()(gg, 0), 1, &(Nf[lhs])[rr], rank);
          }
        }
      }
 
      for (unsigned int lhs = 0; lhs != vecF.size(); lhs++) {
 
        CHKERR VecSetValues(vecF[lhs], data.getIndices().size(),
                            &data.getIndices()[0], &(Nf[lhs])[0], ADD_VALUES);
      }
 
      MoFEMFunctionReturn(0);
    }

Member Data Documentation

A

template<typename FUNEVAL >

Mat FieldApproximationH1::OpApproxVolume< FUNEVAL >::A

Definition at line 35 of file FieldApproximation.hpp.

functionEvaluator

template<typename FUNEVAL >

FUNEVAL& FieldApproximationH1::OpApproxVolume< FUNEVAL >::functionEvaluator

Definition at line 37 of file FieldApproximation.hpp.

Nf

template<typename FUNEVAL >

std::vector<VectorDouble> FieldApproximationH1::OpApproxVolume< FUNEVAL >::Nf

Definition at line 48 of file FieldApproximation.hpp.

NN

template<typename FUNEVAL >

MatrixDouble FieldApproximationH1::OpApproxVolume< FUNEVAL >::NN

Definition at line 46 of file FieldApproximation.hpp.

transNN

template<typename FUNEVAL >

MatrixDouble FieldApproximationH1::OpApproxVolume< FUNEVAL >::transNN

Definition at line 47 of file FieldApproximation.hpp.

vecF

template<typename FUNEVAL >

std::vector<Vec>& FieldApproximationH1::OpApproxVolume< FUNEVAL >::vecF

Definition at line 36 of file FieldApproximation.hpp.

---

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

• users_modules/basic_finite_elements/src/FieldApproximation.hpp