operator to post-process (save gradients on refined post-processing mesh) field gradient More...

#include "users_modules/basic_finite_elements/src/PostProcOnRefMesh.hpp"

Inheritance diagram for PostProcCommonOnRefMesh::OpGetFieldGradientValues:

Collaboration diagram for PostProcCommonOnRefMesh::OpGetFieldGradientValues:

Public Member Functions
	OpGetFieldGradientValues (moab::Interface &post_proc_mesh, std::vector< EntityHandle > &map_gauss_pts, const std::string field_name, const std::string tag_name, CommonData &common_data, Vec v=PETSC_NULLPTR, int space_dim=3)

MoFEMErrorCode	doWork (int side, EntityType type, EntitiesFieldData::EntData &data)

Public Member Functions inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
	UserDataOperator (const FieldSpace space, const char type=OPSPACE, const bool symm=true)
	Constructor for operators working on finite element spaces.

	UserDataOperator (const std::string field_name, const char type, const bool symm=true)
	Constructor for operators working on a single field.

	UserDataOperator (const std::string row_field_name, const std::string col_field_name, const char type, const bool symm=true)
	Constructor for operators working on two fields (bilinear forms)

boost::shared_ptr< const NumeredEntFiniteElement >	getNumeredEntFiniteElementPtr () const
	Return raw pointer to NumeredEntFiniteElement.

EntityHandle	getFEEntityHandle () const
	Return finite element entity handle.

int	getFEDim () const
	Get dimension of finite element.

EntityType	getFEType () const
	Get dimension of finite element.

boost::weak_ptr< SideNumber >	getSideNumberPtr (const int side_number, const EntityType type)
	Get the side number pointer.

EntityHandle	getSideEntity (const int side_number, const EntityType type)
	Get the side entity.

int	getNumberOfNodesOnElement () const
	Get the number of nodes on finite element.

MoFEMErrorCode	getProblemRowIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
	Get row indices.

MoFEMErrorCode	getProblemColIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
	Get col indices.

const FEMethod *	getFEMethod () const
	Return raw pointer to Finite Element Method object.

int	getOpType () const
	Get operator types.

void	setOpType (const OpType type)
	Set operator type.

void	addOpType (const OpType type)
	Add operator type.

int	getNinTheLoop () const
	get number of finite element in the loop

int	getLoopSize () const
	get size of elements in the loop

std::string	getFEName () const
	Get name of the element.

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

auto	getFTensor0IntegrationWeight ()
	Get integration weights.

MatrixDouble &	getCoordsAtGaussPts ()
	Gauss points and weight, matrix (nb. of points x 3)

auto	getFTensor1CoordsAtGaussPts ()
	Get coordinates at integration points assuming linear geometry.

double	getMeasure () const
	get measure of element

double &	getMeasure ()
	get measure of element

MoFEMErrorCode	loopSide (const string &fe_name, ForcesAndSourcesCore side_fe, const size_t dim, const EntityHandle ent_for_side=0, boost::shared_ptr< Range > fe_range=nullptr, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy, AdjCache adj_cache=nullptr)
	User calls this function to loop over elements on the side of face. This function calls finite element with its operator to do calculations.

MoFEMErrorCode	loopThis (const string &fe_name, ForcesAndSourcesCore *this_fe, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy)
	User calls this function to loop over the same element using a different set of integration points. This function calls finite element with its operator to do calculations.

MoFEMErrorCode	loopParent (const string &fe_name, ForcesAndSourcesCore *parent_fe, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy)
	User calls this function to loop over parent elements. This function calls finite element with its operator to do calculations.

MoFEMErrorCode	loopChildren (const string &fe_name, ForcesAndSourcesCore *child_fe, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy)
	User calls this function to loop over parent elements. This function calls finite element with its operator to do calculations.

MoFEMErrorCode	loopRange (const string &fe_name, ForcesAndSourcesCore *range_fe, boost::shared_ptr< Range > fe_range, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy)
	Iterate over range of elements.

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.

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.

virtual MoFEMErrorCode	opRhs (EntitiesFieldData &data, const bool error_if_no_base=false)

bool	getSymm () const
	Get if operator uses symmetry of DOFs or not.

void	setSymm ()
	set if operator is executed taking in account symmetry

void	unSetSymm ()
	unset if operator is executed for non symmetric problem

Public Attributes
moab::Interface &	postProcMesh

std::vector< EntityHandle > &	mapGaussPts

CommonData &	commonData

const std::string	tagName

Vec	V

int	spaceDim

VectorDouble	vAlues

VectorDouble *	vAluesPtr

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.

std::array< bool, MBMAXTYPE >	doEntities
	If true operator is executed for entity.

bool &	doVertices
	\deprectaed If false skip vertices

bool &	doEdges
	\deprectaed If false skip edges

bool &	doQuads
	\deprectaed

bool &	doTris
	\deprectaed

bool &	doTets
	\deprectaed

bool &	doPrisms
	\deprectaed

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...

using	AdjCache = std::map< EntityHandle, std::vector< boost::weak_ptr< NumeredEntFiniteElement > > >

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::ForcesAndSourcesCore::UserDataOperator
virtual MoFEMErrorCode	setPtrFE (ForcesAndSourcesCore *ptr)

Protected Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
ForcesAndSourcesCore *	ptrFE

Detailed Description

operator to post-process (save gradients on refined post-processing mesh) field gradient

Todo:: Implementation for Hdiv and Hcurl to be implemented

Definition at line 81 of file PostProcOnRefMesh.hpp.

Constructor & Destructor Documentation

◆ OpGetFieldGradientValues()

PostProcCommonOnRefMesh::OpGetFieldGradientValues::OpGetFieldGradientValues	(	moab::Interface &	post_proc_mesh,
		std::vector< EntityHandle > &	map_gauss_pts,
		const std::string	field_name,
		const std::string	tag_name,
		CommonData &	common_data,
		Vec	v = `PETSC_NULLPTR`,
		int	space_dim = `3`
	)

inline

Definition at line 91 of file PostProcOnRefMesh.hpp.

        : MoFEM::ForcesAndSourcesCore::UserDataOperator(
              field_name, UserDataOperator::OPCOL),
          postProcMesh(post_proc_mesh), mapGaussPts(map_gauss_pts),
          commonData(common_data), tagName(tag_name), V(v),
          spaceDim(space_dim) {}

Member Function Documentation

◆ doWork()

MoFEMErrorCode PostProcCommonOnRefMesh::OpGetFieldGradientValues::doWork	(	int	side,
		EntityType	type,
		EntitiesFieldData::EntData &	data
	)

Definition at line 199 of file PostProcOnRefMesh.cpp.

                                                               {
  MoFEMFunctionBegin;
 
  if (data.getFieldData().size() == 0)
    MoFEMFunctionReturnHot(0);
  if (V) {
    vAlues.resize(data.getFieldData().size());
    double *a;
    CHKERR VecGetArray(V, &a);
    VectorDofs::iterator it, hi_it;
    it = data.getFieldDofs().begin();
    hi_it = data.getFieldDofs().end();
    auto row_dofs = getFEMethod()->getRowDofsPtr();
    for (int ii = 0; it != hi_it; it++, ii++) {
      int local_idx = row_dofs->find((*it)->getLocalUniqueId())
                          ->get()
                          ->getPetscLocalDofIdx();
      vAlues[ii] = a[local_idx];
    }
    CHKERR VecRestoreArray(V, &a);
    vAluesPtr = &vAlues;
  } else {
    vAluesPtr = &data.getFieldData();
  }
 
  auto dof_ptr = data.getFieldDofs()[0];
  int rank = dof_ptr->getNbOfCoeffs();
 
  FieldSpace space = dof_ptr->getSpace();
  int space_dim = spaceDim;
  if (space == HCURL || space == HDIV)
    space_dim = 3;
 
  int tag_length = rank * space_dim;
  // FieldSpace space = dof_ptr->getSpace();
  switch (space) {
  case L2:
  case H1:
    break;
  case HCURL:
  case HDIV:
    tag_length *= space_dim;
    break;
  default:
    SETERRQ(PETSC_COMM_SELF, MOFEM_NOT_IMPLEMENTED,
            "field with that space is not implemented");
  }
 
  double def_VAL[tag_length];
  bzero(def_VAL, tag_length * sizeof(double));
  Tag th;
  CHKERR postProcMesh.tag_get_handle(tagName.c_str(), tag_length,
                                     MB_TYPE_DOUBLE, th,
                                     MB_TAG_CREAT | MB_TAG_SPARSE, def_VAL);
 
  // zero tags, this for Vertex if H1 and TRI if Hdiv, EDGE for Hcurl
  // no need for L2
  const void *tags_ptr[mapGaussPts.size()];
  int nb_gauss_pts = data.getN().size1();
  if (mapGaussPts.size() != (unsigned int)nb_gauss_pts) {
    SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY, "data inconsistency");
  }
 
  auto set_float_precision = [](const double x) {
    if (std::abs(x) < std::numeric_limits<float>::epsilon())
      return 0.;
    else
      return x;
  };
 
  auto clear_vals = [&]() {
    MoFEMFunctionBeginHot;
    for (int gg = 0; gg < nb_gauss_pts; gg++) {
      (commonData.gradMap[rowFieldName])[gg].resize(rank, space_dim);
      (commonData.gradMap[rowFieldName])[gg].clear();
      CHKERR postProcMesh.tag_set_data(th, &mapGaussPts[gg], 1, def_VAL);
    }
    MoFEMFunctionReturnHot(0);
  };
 
  auto set_vals = [&]() {
    MoFEMFunctionBeginHot;
    CHKERR postProcMesh.tag_get_by_ptr(th, &mapGaussPts[0], mapGaussPts.size(),
                                       tags_ptr);
    for (int gg = 0; gg < nb_gauss_pts; gg++) {
      for (int rr = 0; rr < rank; rr++) {
        for (int dd = 0; dd < space_dim; dd++) {
          for (unsigned int dof = 0; dof < (vAluesPtr->size() / rank); dof++) {
            const double val =
                data.getDiffN(gg)(dof, dd) * (*vAluesPtr)[rank * dof + rr];
            (commonData.gradMap[rowFieldName])[gg](rr, dd) += val;
          }
          ((double *)tags_ptr[gg])[rank * rr + dd] =
              (commonData.gradMap[rowFieldName])[gg](rr, dd);
        }
      }
    }
    MoFEMFunctionReturnHot(0);
  };
 
  commonData.gradMap[rowFieldName].resize(nb_gauss_pts);
 
  switch (space) {
  case H1:
    if (type == MBVERTEX) 
      clear_vals();
    CHKERR set_vals();
    break;
  case L2:
    clear_vals();
    CHKERR set_vals();
    break;
  default:
    SETERRQ(PETSC_COMM_SELF, MOFEM_NOT_IMPLEMENTED,
            "field with that space is not implemented");
  }
 
  MoFEMFunctionReturn(0);
}

Member Data Documentation

◆ commonData

CommonData& PostProcCommonOnRefMesh::OpGetFieldGradientValues::commonData

Definition at line 86 of file PostProcOnRefMesh.hpp.

◆ mapGaussPts

std::vector<EntityHandle>& PostProcCommonOnRefMesh::OpGetFieldGradientValues::mapGaussPts

Definition at line 85 of file PostProcOnRefMesh.hpp.

◆ postProcMesh

moab::Interface& PostProcCommonOnRefMesh::OpGetFieldGradientValues::postProcMesh

Definition at line 84 of file PostProcOnRefMesh.hpp.

◆ spaceDim

int PostProcCommonOnRefMesh::OpGetFieldGradientValues::spaceDim

Definition at line 89 of file PostProcOnRefMesh.hpp.

◆ tagName

const std::string PostProcCommonOnRefMesh::OpGetFieldGradientValues::tagName

Definition at line 87 of file PostProcOnRefMesh.hpp.

◆ V

Vec PostProcCommonOnRefMesh::OpGetFieldGradientValues::V

Definition at line 88 of file PostProcOnRefMesh.hpp.

◆ vAlues

VectorDouble PostProcCommonOnRefMesh::OpGetFieldGradientValues::vAlues

Definition at line 103 of file PostProcOnRefMesh.hpp.

◆ vAluesPtr

VectorDouble* PostProcCommonOnRefMesh::OpGetFieldGradientValues::vAluesPtr

Definition at line 104 of file PostProcOnRefMesh.hpp.

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

users_modules/basic_finite_elements/src/PostProcOnRefMesh.hpp
users_modules/basic_finite_elements/src/impl/PostProcOnRefMesh.cpp

Public Member Functions

Public Attributes

Additional Inherited Members