Operator post-procesing stresses for Hook isotropic material. More...

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

Inheritance diagram for PostProcHookStress:

Collaboration diagram for PostProcHookStress:

Public Member Functions
	PostProcHookStress (MoFEM::Interface &m_field, moab::Interface &post_proc_mesh, std::vector< EntityHandle > &map_gauss_pts, Range &post_proc_elements, const std::string field_name, boost::shared_ptr< MatrixDouble > field_gradient_ptr, const bool is_field_disp=true)

MoFEMErrorCode	getMatParameters (double _lambda, double _mu, int *_block_id)
	get material parameter

MoFEMErrorCode	doWork (int side, EntityType type, EntitiesFieldData::EntData &data)
	Here real work is done.

Public Member Functions inherited from MoFEM::VolumeElementForcesAndSourcesCore::UserDataOperator
int	getNumNodes ()
	get element number of nodes

const EntityHandle *	getConn ()
	get element connectivity

double	getVolume () const
	element volume (linear geometry)

double &	getVolume ()
	element volume (linear geometry)

FTensor::Tensor2< double *, 3, 3 > &	getJac ()
	get element Jacobian

FTensor::Tensor2< double *, 3, 3 > &	getInvJac ()
	get element inverse Jacobian

VectorDouble &	getCoords ()
	nodal coordinates

VolumeElementForcesAndSourcesCore *	getVolumeFE () const
	return pointer to Generic Volume Finite Element object

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

KspMethod::KSPContext	getKSPCtx () const

SnesMethod::SNESContext	getSNESCtx () 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

MoFEM::Interface &	getMField ()

moab::Interface &	getMoab ()

virtual boost::weak_ptr< ForcesAndSourcesCore >	getSubPipelinePtr () const

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
MoFEM::Interface &	mField

moab::Interface &	postProcMesh

std::vector< EntityHandle > &	mapGaussPts

Range &	postProcElements

bool	isFieldDisp

boost::shared_ptr< MatrixDouble >	fieldGradientPtr

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

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

Detailed Description

Operator post-procesing stresses for Hook isotropic material.

Example how to use it

PostProcBrokenMeshInMoab<VolumeElementForcesAndSourcesCore> post_proc(m_field);
{
  auto disp_ptr = boost::make_shared<MatrixDouble>();
  auto disp_grad_ptr = boost::make_shared<MatrixDouble>();
  post_proc.getOpPtrVector().push_back(
      new OpCalculateVectorFieldValues<3>("DISPLACEMENT", disp_ptr));
  post_proc.getOpPtrVector().push_back(
      new OpCalculateVectorFieldGradient<3, 3>(
          "DISPLACEMENT", disp_grad_ptr));
  //add postprocessing for stresses
  post_proc.getOpPtrVector().push_back(
    new PostProcHookStress(
      m_field,
      post_proc.getPostProcMesh(),
      post_proc.getMapGaussPts(),
      post_proc.getPostProcElements(),
      "DISPLACEMENT",
      disp_grad_ptr,
      &elastic.setOfBlocks
    )
  );
  using OpPPMap = OpPostProcMapInMoab<3, 3>;
  post_proc.getOpPtrVector().push_back(
      new OpPPMap(post_proc.getPostProcMesh(), post_proc.getMapGaussPts(),
                  {}, {{"DISPLACEMENT", disp_ptr}},
                  {{"DISPLACEMENT_GRAD", disp_grad_ptr}}, {}));
  CHKERR DMoFEMLoopFiniteElements(dm,"ELASTIC",&post_proc);
  CHKERR post_proc.writeFile("out.h5m");
}

Examples: mofem/users_modules/basic_finite_elements/elasticity/elasticity.cpp.

Definition at line 49 of file PostProcHookStresses.hpp.

Constructor & Destructor Documentation

◆ PostProcHookStress()

PostProcHookStress::PostProcHookStress	(	MoFEM::Interface &	m_field,
		moab::Interface &	post_proc_mesh,
		std::vector< EntityHandle > &	map_gauss_pts,
		Range &	post_proc_elements,
		const std::string	field_name,
		boost::shared_ptr< MatrixDouble >	field_gradient_ptr,
		const bool	is_field_disp = `true`
	)

inline

Constructor

Definition at line 69 of file PostProcHookStresses.hpp.

      : MoFEM::VolumeElementForcesAndSourcesCore::UserDataOperator(
            field_name, ForcesAndSourcesCore::UserDataOperator::OPROW),
        mField(m_field), postProcMesh(post_proc_mesh),
        mapGaussPts(map_gauss_pts), postProcElements(post_proc_elements),
#ifdef __NONLINEAR_ELASTIC_HPP
        setOfBlocksMaterialDataPtr(set_of_block_data_ptr),
#endif //__NONLINEAR_ELASTIC_HPP
        fieldGradientPtr(field_gradient_ptr), isFieldDisp(is_field_disp) {
  }

Member Function Documentation

◆ doWork()

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

inline

Here real work is done.

Definition at line 151 of file PostProcHookStresses.hpp.

                                                        {
    MoFEMFunctionBegin;
 
    if (type != MBVERTEX)
      MoFEMFunctionReturnHot(0);
    if (data.getFieldData().size() == 0)
      MoFEMFunctionReturnHot(0);
 
    int id;
    double lambda, mu;
    CHKERR getMatParameters(&lambda, &mu, &id);
 
    MatrixDouble D_lambda, D_mu, D;
    D_lambda.resize(6, 6);
    D_lambda.clear();
    for (int rr = 0; rr < 3; rr++) {
      for (int cc = 0; cc < 3; cc++) {
        D_lambda(rr, cc) = 1;
      }
    }
    D_mu.resize(6, 6);
    D_mu.clear();
    for (int rr = 0; rr < 6; rr++) {
      D_mu(rr, rr) = rr < 3 ? 2 : 1;
    }
    D = lambda * D_lambda + mu * D_mu;
 
    int tag_length = 9;
    double def_VAL[tag_length];
    bzero(def_VAL, tag_length * sizeof(double));
    Tag th_stress;
    CHKERR postProcMesh.tag_get_handle("STRESS", 9, MB_TYPE_DOUBLE, th_stress,
                                       MB_TAG_CREAT | MB_TAG_SPARSE, def_VAL);
 
    Tag th_id;
    int def_block_id = -1;
    CHKERR postProcMesh.tag_get_handle("BLOCK_ID", 1, MB_TYPE_INTEGER, th_id,
                                       MB_TAG_CREAT | MB_TAG_SPARSE,
                                       &def_block_id);
    CHKERR postProcMesh.tag_clear_data(th_id, postProcElements, &id);
 
    VectorDouble strain;
    VectorDouble stress;
    MatrixDouble Stress;
 
    int nb_gauss_pts = data.getN().size1();
    if (mapGaussPts.size() != (unsigned int)nb_gauss_pts) 
      SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY, "data inconsistency");
 
    if (!fieldGradientPtr ||
        fieldGradientPtr->size1() != (unsigned int)nb_gauss_pts ||
        fieldGradientPtr->size2() != 9) {
      SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
              "Gradient of field %s is not available", rowFieldName.c_str());
    }
    const auto &gradient = *fieldGradientPtr;
 
    for (int gg = 0; gg != nb_gauss_pts; ++gg) {
 
      strain.resize(6);
      strain[0] = gradient(gg, 0);
      strain[1] = gradient(gg, 4);
      strain[2] = gradient(gg, 8);
      strain[3] = gradient(gg, 1) + gradient(gg, 3);
      strain[4] = gradient(gg, 5) + gradient(gg, 7);
      strain[5] = gradient(gg, 2) + gradient(gg, 6);
 
      if (!isFieldDisp) {
        strain[0] -= 1.0;
        strain[1] -= 1.0;
        strain[2] -= 1.0;
      }
 
      stress.resize(6);
      noalias(stress) = prod(D, strain);
 
      Stress.resize(3, 3);
      Stress(0, 0) = stress[0];
      Stress(1, 1) = stress[1];
      Stress(2, 2) = stress[2];
      Stress(0, 1) = Stress(1, 0) = stress[3];
      Stress(1, 2) = Stress(2, 1) = stress[4];
      Stress(2, 0) = Stress(0, 2) = stress[5];
 
      CHKERR postProcMesh.tag_set_data(th_stress, &mapGaussPts[gg], 1,
                                       &Stress(0, 0));
    }
 
    MoFEMFunctionReturn(0);
  }

◆ getMatParameters()

MoFEMErrorCode PostProcHookStress::getMatParameters	(	double *	_lambda,
		double *	_mu,
		int *	_block_id
	)

inline

get material parameter

Material parameters are read form BlockSet, however if block data are present, use data how are set for elastic element operators.

Parameters

_lambda	elastic material constant
_mu	elastic material constant
_block_id	block id

Returns: error code

Definition at line 102 of file PostProcHookStresses.hpp.

                                                  {
    MoFEMFunctionBegin;
 
    *_lambda = 1;
    *_mu = 1;
 
    EntityHandle ent = getNumeredEntFiniteElementPtr()->getEnt();
    for (_IT_CUBITMESHSETS_BY_BCDATA_TYPE_FOR_LOOP_(
             mField, BLOCKSET | MAT_ELASTICSET, it)) {
      Mat_Elastic mydata;
      CHKERR it->getAttributeDataStructure(mydata);
 
      Range meshsets;
      CHKERR mField.get_moab().get_entities_by_type(it->meshset, MBENTITYSET,
                                                    meshsets, false);
      meshsets.insert(it->meshset);
      for (Range::iterator mit = meshsets.begin(); mit != meshsets.end();
           mit++) {
        if (mField.get_moab().contains_entities(*mit, &ent, 1)) {
          *_lambda = LAMBDA(mydata.data.Young, mydata.data.Poisson);
          *_mu = MU(mydata.data.Young, mydata.data.Poisson);
          *_block_id = it->getMeshsetId();
#ifdef __NONLINEAR_ELASTIC_HPP
          if (setOfBlocksMaterialDataPtr) {
            *_lambda =
                LAMBDA(setOfBlocksMaterialDataPtr->at(*_block_id).E,
                       setOfBlocksMaterialDataPtr->at(*_block_id).PoissonRatio);
            *_mu = MU(setOfBlocksMaterialDataPtr->at(*_block_id).E,
                      setOfBlocksMaterialDataPtr->at(*_block_id).PoissonRatio);
          }
#endif //__NONLINEAR_ELASTIC_HPP
          MoFEMFunctionReturnHot(0);
        }
      }
    }
 
    SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
            "Element is not in elastic block, however you run linear elastic "
            "analysis with that element\n"
            "top tip: check if you update block sets after mesh refinements or "
            "interface insertion");
 
    MoFEMFunctionReturn(0);
  }

Member Data Documentation

◆ fieldGradientPtr

boost::shared_ptr<MatrixDouble> PostProcHookStress::fieldGradientPtr

Definition at line 64 of file PostProcHookStresses.hpp.

◆ isFieldDisp

bool PostProcHookStress::isFieldDisp

Definition at line 56 of file PostProcHookStresses.hpp.

◆ mapGaussPts

std::vector<EntityHandle>& PostProcHookStress::mapGaussPts

Definition at line 54 of file PostProcHookStresses.hpp.

◆ mField

MoFEM::Interface& PostProcHookStress::mField

Definition at line 52 of file PostProcHookStresses.hpp.

◆ postProcElements

Range& PostProcHookStress::postProcElements

Definition at line 55 of file PostProcHookStresses.hpp.

◆ postProcMesh

moab::Interface& PostProcHookStress::postProcMesh

Definition at line 53 of file PostProcHookStresses.hpp.

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

users_modules/basic_finite_elements/src/PostProcHookStresses.hpp

Public Member Functions

Public Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ PostProcHookStress()

Member Function Documentation

◆ doWork()

◆ getMatParameters()

Member Data Documentation

◆ fieldGradientPtr

◆ isFieldDisp

◆ mapGaussPts

◆ mField

◆ postProcElements

◆ postProcMesh