v0.8.4
Public Member Functions | Public Attributes | List of all members
MixTransport::MixTransportElement::OpEvaluateBcOnFluxes Struct Reference

Evaluate boundary conditions on fluxes. More...

#include <users_modules/basic_finite_elements/mix_transport/src/MixTransportElement.hpp>

Inheritance diagram for MixTransport::MixTransportElement::OpEvaluateBcOnFluxes:
[legend]
Collaboration diagram for MixTransport::MixTransportElement::OpEvaluateBcOnFluxes:
[legend]

Public Member Functions

 OpEvaluateBcOnFluxes (MixTransportElement &ctx, const std::string flux_name)
 
MoFEMErrorCode doWork (int side, EntityType type, DataForcesAndSourcesCore::EntData &data)
 
- Public Member Functions inherited from MoFEM::FaceElementForcesAndSourcesCore::UserDataOperator
 UserDataOperator (const FieldSpace space)
 
 UserDataOperator (const std::string &field_name, const char type)
 
 UserDataOperator (const std::string &row_field_name, const std::string &col_field_name, const char type, const bool symm=true)
 
double getArea ()
 get area of face More...
 
double getMeasure ()
 get measure of element More...
 
VectorDoublegetNormal ()
 get triangle normal More...
 
VectorDoublegetTangent1 ()
 get triangle tangent 1 More...
 
VectorDoublegetTangent2 ()
 get triangle tangent 2 More...
 
FTensor::Tensor1< double *, 3 > getTensor1Normal ()
 get normal as tensor More...
 
FTensor::Tensor1< double *, 3 > getTensor1Tangent1 ()
 get tangentOne as tensor More...
 
FTensor::Tensor1< double *, 3 > getTensor2Tangent1 ()
 get tangentTwo as tensor More...
 
int getNumNodes ()
 get element number of nodes More...
 
const EntityHandlegetConn ()
 get element connectivity More...
 
VectorDoublegetCoords ()
 get triangle coordinates More...
 
FTensor::Tensor1< double *, 3 > getTensor1Coords ()
 get get coords at gauss points More...
 
MatrixDoublegetGaussPts ()
 get matrix of integration (Gauss) points on Face Element where columns 0,1 are x,y coordinates respectively and column 2 is a value of weight for example getGaussPts()(1,13) returns y coordinate of 13th Gauss point on particular face element More...
 
FTensor::Tensor0< double * > getFTensor0IntegrationWeight ()
 
MatrixDoublegetCoordsAtGaussPts ()
 Gauss points and weight, matrix (nb. of points x 3) More...
 
FTensor::Tensor1< double *, 3 > getTensor1CoordsAtGaussPts ()
 get coordinates at Gauss pts. More...
 
MatrixDoublegetHoCoordsAtGaussPts ()
 coordinate at Gauss points (if hierarchical approximation of element geometry) More...
 
FTensor::Tensor1< double *, 3 > getTensor1HoCoordsAtGaussPts ()
 get coordinates at Gauss pts (takes in account ho approx. of geometry) More...
 
MatrixDoublegetNormalsAtGaussPt ()
 if higher order geometry return normals at Gauss pts. More...
 
ublas::matrix_row< MatrixDoublegetNormalsAtGaussPt (const int gg)
 if higher order geometry return normals at Gauss pts. More...
 
MatrixDoublegetTangent1AtGaussPt ()
 if higher order geometry return tangent vector to triangle at Gauss pts. More...
 
MatrixDoublegetTangent2AtGaussPt ()
 if higher order geometry return tangent vector to triangle at Gauss pts. More...
 
FTensor::Tensor1< double *, 3 > getTensor1NormalsAtGaussPt ()
 get normal at integration points More...
 
FTensor::Tensor1< double *, 3 > getTensor1Tangent1AtGaussPt ()
 get tangent 1 at integration points More...
 
FTensor::Tensor1< double *, 3 > getTensor1Tangent2AtGaussPt ()
 get tangent 2 at integration points More...
 
DEPRECATED const FaceElementForcesAndSourcesCoregetFaceElementForcesAndSourcesCore ()
 
DEPRECATED const FaceElementForcesAndSourcesCoregetTriFE ()
 
const FaceElementForcesAndSourcesCoregetFaceFE ()
 return pointer to Generic Triangle Finite Element object More...
 
MoFEMErrorCode loopSideVolumes (const string &fe_name, VolumeElementForcesAndSourcesCoreOnSide &method)
 
- Public Member Functions inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
 UserDataOperator (const FieldSpace space, const char type=OPLAST, 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)
 
virtual ~UserDataOperator ()
 
boost::shared_ptr< const NumeredEntFiniteElementgetNumeredEntFiniteElementPtr () const
 Return raw pointer to NumeredEntFiniteElement. More...
 
EntityHandle getFEEntityHandle () const
 Return finite element entity handle. More...
 
MoFEMErrorCode getProblemRowIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
 Get row indices. More...
 
DEPRECATED MoFEMErrorCode getPorblemRowIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
 
MoFEMErrorCode getProblemColIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
 Get col indices. More...
 
virtual MoFEMErrorCode setPtrFE (ForcesAndSourcesCore *ptr)
 
DEPRECATED MoFEMErrorCode getPorblemColIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
 
const FEMethodgetFEMethod () 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...
 
const std::string & getFEName () const
 Get name of the element. More...
 
Vec getSnesF () const
 
Vec getSnesX () const
 
Mat getSnesA () const
 
Mat getSnesB () const
 
Vec getTSu () const
 
Vec getTSu_t () const
 
Vec getTSf () const
 
Mat getTSA () const
 
Mat getTSB () const
 
int getTSstep () const
 
double getTStime () const
 
double getTSa () const
 
- Public Member Functions inherited from MoFEM::DataOperator
 DataOperator (const bool symm=true, const bool do_vertices=true, const bool do_edges=true, const bool do_quads=true, const bool do_tris=true, const bool do_tets=true, const bool do_prisms=true)
 
virtual ~DataOperator ()
 
virtual MoFEMErrorCode doWork (int row_side, int col_side, EntityType row_type, EntityType col_type, DataForcesAndSourcesCore::EntData &row_data, DataForcesAndSourcesCore::EntData &col_data)
 Operator for bi-linear form, usually to calculate values on right hand side. More...
 
virtual MoFEMErrorCode opLhs (DataForcesAndSourcesCore &row_data, DataForcesAndSourcesCore &col_data, bool symm=true)
 
virtual MoFEMErrorCode opLhs (DataForcesAndSourcesCore &row_data, DataForcesAndSourcesCore &col_data)
 
virtual MoFEMErrorCode doWork (int side, EntityType type, DataForcesAndSourcesCore::EntData &data)
 Operator for linear form, usually to calculate values on left hand side. More...
 
virtual MoFEMErrorCode opRhs (DataForcesAndSourcesCore &data, const bool do_vertices, const bool do_edges, const bool do_quads, const bool do_tris, const bool do_tets, const bool do_prisms, const bool error_if_no_base=true)
 
virtual MoFEMErrorCode opRhs (DataForcesAndSourcesCore &data, const bool error_if_no_base=true)
 
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

MixTransportElementcTx
 
MatrixDouble NN
 
VectorDouble Nf
 
FTensor::Index< 'i', 3 > i
 
- Public Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
char opType
 
std::string rowFieldName
 
std::string colFieldName
 
FieldSpace sPace
 
- Public Attributes inherited from MoFEM::DataOperator
bool sYmm
 If true assume that matrix is symmetric structure. More...
 
bool doVertices
 If false skip vertices. More...
 
bool doEdges
 If false skip edges. More...
 
bool doQuads
 
bool doTris
 
bool doTets
 
bool doPrisms
 

Additional Inherited Members

- Public Types inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
enum  OpType { OPROW = 1<<0, OPCOL = 1<<1, OPROWCOL = 1<<2, OPLAST = 1<<3 }
 Controls loop over entities on element. More...
 
- Protected Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
ForcesAndSourcesCoreptrFE
 

Detailed Description

Evaluate boundary conditions on fluxes.

Note that Neumann boundary conditions here are essential. So it is opposite what you find in displacement finite element method.

Here we have to solve for degrees of freedom on boundary such base functions approximate flux.

Definition at line 1236 of file MixTransportElement.hpp.

Constructor & Destructor Documentation

◆ OpEvaluateBcOnFluxes()

MixTransport::MixTransportElement::OpEvaluateBcOnFluxes::OpEvaluateBcOnFluxes ( MixTransportElement ctx,
const std::string  flux_name 
)

Definition at line 1238 of file MixTransportElement.hpp.

1240  :
1241  MoFEM::FaceElementForcesAndSourcesCore::UserDataOperator(flux_name,UserDataOperator::OPROW),
1242  cTx(ctx) {
1243  }
ForcesAndSourcesCore::UserDataOperator UserDataOperator

Member Function Documentation

◆ doWork()

MoFEMErrorCode MixTransport::MixTransportElement::OpEvaluateBcOnFluxes::doWork ( int  side,
EntityType  type,
DataForcesAndSourcesCore::EntData &  data 
)

Definition at line 1249 of file MixTransportElement.hpp.

1249  {
1251  try {
1252  if(data.getFieldData().size()==0) MoFEMFunctionReturnHot(0);
1253  EntityHandle fe_ent = getNumeredEntFiniteElementPtr()->getEnt();
1254  int nb_dofs = data.getFieldData().size();
1255  int nb_gauss_pts = data.getHdivN().size1();
1256  if(3*nb_dofs!=static_cast<int>(data.getHdivN().size2())) {
1257  SETERRQ(PETSC_COMM_WORLD,MOFEM_DATA_INCONSISTENCY,"wrong number of dofs");
1258  }
1259  NN.resize(nb_dofs,nb_dofs);
1260  Nf.resize(nb_dofs);
1261  NN.clear();
1262  Nf.clear();
1263 
1264  // Get normal vector. Note that when higher order geometry is set, then
1265  // face element could be curved, i.e. normal can be different at each integration
1266  // point.
1267  double *normal_ptr;
1268  if(getNormalsAtGaussPt().size1() == (unsigned int)nb_gauss_pts) {
1269  // HO geometry
1270  normal_ptr = &getNormalsAtGaussPt(0)[0];
1271  } else {
1272  // Linear geometry, i.e. constant normal on face
1273  normal_ptr = &getNormal()[0];
1274  }
1275  // set tensor from pointer
1276  FTensor::Tensor1<const double*,3> t_normal(normal_ptr,&normal_ptr[1],&normal_ptr[2],3);
1277  // get base functions
1278  auto t_n_hdiv_row = data.getFTensor1HdivN<3>();
1279 
1280  double nrm2 = 0;
1281 
1282  // loop over integration points
1283  for(int gg = 0;gg<nb_gauss_pts;gg++) {
1284 
1285  // get integration point coordinates
1286  double x,y,z;
1287  if(getNormalsAtGaussPt().size1() == (unsigned int)nb_gauss_pts) {
1288  x = getHoCoordsAtGaussPts()(gg,0);
1289  y = getHoCoordsAtGaussPts()(gg,1);
1290  z = getHoCoordsAtGaussPts()(gg,2);
1291  } else {
1292  x = getCoordsAtGaussPts()(gg,0);
1293  y = getCoordsAtGaussPts()(gg,1);
1294  z = getCoordsAtGaussPts()(gg,2);
1295  }
1296 
1297  // get flux on fece for given element handle and coordinates
1298  double flux;
1299  ierr = cTx.getBcOnFluxes(fe_ent,x,y,z,flux); CHKERRG(ierr);
1300  // get weight for integration rule
1301  double w = getGaussPts()(2,gg);
1302  if(gg == 0) {
1303  nrm2 = sqrt(t_normal(i)*t_normal(i));
1304  }
1305 
1306  // set tensor of rank 0 to matrix NN elements
1307  // loop over base functions on rows and columns
1308  for(int ll = 0;ll!=nb_dofs;ll++) {
1309  // get column on shape functions
1310  FTensor::Tensor1<const double*,3> t_n_hdiv_col(
1311  &data.getHdivN(gg)(0,HDIV0),
1312  &data.getHdivN(gg)(0,HDIV1),
1313  &data.getHdivN(gg)(0,HDIV2),3
1314  );
1315  for(int kk = 0;kk<=ll;kk++) {
1316  NN(ll,kk) += w*t_n_hdiv_row(i)*t_n_hdiv_col(i);
1317  ++t_n_hdiv_col;
1318  }
1319  // right hand side
1320  Nf[ll] += w*t_n_hdiv_row(i)*t_normal(i)*flux/nrm2;
1321  ++t_n_hdiv_row;
1322  }
1323 
1324  // If HO geometry increment t_normal to next integration point
1325  if(getNormalsAtGaussPt().size1() == (unsigned int)nb_gauss_pts) {
1326  ++t_normal;
1327  nrm2 = sqrt(t_normal(i)*t_normal(i));
1328  }
1329 
1330  }
1331  // get global dofs indices on element
1332  cTx.bcIndices.insert(data.getIndices().begin(),data.getIndices().end());
1333  // factor matrix
1335  // solve local problem
1336  cholesky_solve(NN,Nf,ublas::lower());
1337 
1338  // cerr << Nf << endl;
1339  // cerr << data.getIndices() << endl;
1340 
1341  // set solution to vector
1342  ierr = VecSetValues(
1343  cTx.D0,nb_dofs,&*data.getIndices().begin(),
1344  &*Nf.begin(),INSERT_VALUES
1345  ); CHKERRG(ierr);
1346 
1347  } catch (const std::exception& ex) {
1348  std::ostringstream ss;
1349  ss << "throw in method: " << ex.what() << std::endl;
1350  SETERRQ(PETSC_COMM_SELF,1,ss.str().c_str());
1351  }
1352 
1354  }
MatrixDouble & getHoCoordsAtGaussPts()
coordinate at Gauss points (if hierarchical approximation of element geometry)
#define MoFEMFunctionBeginHot
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
Definition: definitions.h:522
boost::shared_ptr< const NumeredEntFiniteElement > getNumeredEntFiniteElementPtr() const
Return raw pointer to NumeredEntFiniteElement.
#define CHKERRG(n)
Check error code of MoFEM/MOAB/PETSc function.
Definition: definitions.h:565
#define MoFEMFunctionReturnHot(a)
Last executable line of each PETSc function used for error handling. Replaces return() ...
Definition: definitions.h:528
MatrixDouble & getCoordsAtGaussPts()
Gauss points and weight, matrix (nb. of points x 3)
size_t cholesky_decompose(const MATRIX &A, TRIA &L)
decompose the symmetric positive definit matrix A into product L L^T.
Definition: cholesky.hpp:52
MatrixDouble & getGaussPts()
get matrix of integration (Gauss) points on Face Element where columns 0,1 are x,y coordinates respec...
void cholesky_solve(const TRIA &L, VEC &x, ublas::lower)
solve system L L^T x = b inplace
Definition: cholesky.hpp:221
virtual MoFEMErrorCode getBcOnFluxes(const EntityHandle ent, const double x, const double y, const double z, double &flux)
essential (Neumann) boundary condition (set fluxes)
MatrixDouble & getNormalsAtGaussPt()
if higher order geometry return normals at Gauss pts.

Member Data Documentation

◆ cTx

MixTransportElement& MixTransport::MixTransportElement::OpEvaluateBcOnFluxes::cTx

Definition at line 1237 of file MixTransportElement.hpp.

◆ i

FTensor::Index<'i',3> MixTransport::MixTransportElement::OpEvaluateBcOnFluxes::i

Definition at line 1247 of file MixTransportElement.hpp.

◆ Nf

VectorDouble MixTransport::MixTransportElement::OpEvaluateBcOnFluxes::Nf

Definition at line 1246 of file MixTransportElement.hpp.

◆ NN

MatrixDouble MixTransport::MixTransportElement::OpEvaluateBcOnFluxes::NN

Definition at line 1245 of file MixTransportElement.hpp.


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