v0.8.23
Public Member Functions | Public Attributes | List of all members
OpPressure Struct Reference
Inheritance diagram for OpPressure:
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Collaboration diagram for OpPressure:
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Public Member Functions

 OpPressure (const double pressure_val=1)
 
MoFEMErrorCode doWork (int side, EntityType type, DataForcesAndSourcesCore::EntData &data)
 Operator for linear form, usually to calculate values on right hand side. More...
 
- 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...
 
auto getFTensor1Normal ()
 get normal as tensor More...
 
DEPRECATED auto getTensor1Normal ()
 
auto getFTensor1Tangent1 ()
 get tangentOne as tensor More...
 
DEPRECATED auto getTensor1Tangent1 ()
 
auto getFTensor2Tangent1 ()
 get tangentTwo as tensor More...
 
DEPRECATED auto getTensor2Tangent1 ()
 
int getNumNodes ()
 get element number of nodes More...
 
const EntityHandlegetConn ()
 get element connectivity More...
 
VectorDoublegetCoords ()
 get triangle coordinates More...
 
auto getFTensor1Coords ()
 get get coords at gauss points More...
 
DEPRECATED auto getTensor1Coords ()
 
MatrixDoublegetCoordsAtGaussPts ()
 Gauss points and weight, matrix (nb. of points x 3) More...
 
auto getFTensor1CoordsAtGaussPts ()
 get coordinates at Gauss pts. More...
 
DEPRECATED auto getTensor1CoordsAtGaussPts ()
 
MatrixDoublegetHoCoordsAtGaussPts ()
 coordinate at Gauss points (if hierarchical approximation of element geometry) More...
 
auto getFTensor1HoCoordsAtGaussPts ()
 get coordinates at Gauss pts (takes in account ho approx. of geometry) More...
 
DEPRECATED auto getTensor1HoCoordsAtGaussPts ()
 
MatrixDoublegetNormalsAtGaussPts ()
 if higher order geometry return normals at Gauss pts. More...
 
DEPRECATED MatrixDoublegetNormalsAtGaussPt ()
 
ublas::matrix_row< MatrixDoublegetNormalsAtGaussPts (const int gg)
 if higher order geometry return normals at Gauss pts. More...
 
DEPRECATED auto getNormalsAtGaussPt (const int gg)
 
MatrixDoublegetTangent1AtGaussPts ()
 if higher order geometry return tangent vector to triangle at Gauss pts. More...
 
DEPRECATED MatrixDoublegetTangent1AtGaussPt ()
 
MatrixDoublegetTangent2AtGaussPts ()
 if higher order geometry return tangent vector to triangle at Gauss pts. More...
 
DEPRECATED MatrixDoublegetTangent2AtGaussPt ()
 
auto getFTensor1NormalsAtGaussPts ()
 get normal at integration points More...
 
DEPRECATED auto getTensor1NormalsAtGaussPt ()
 
auto getFTensor1Tangent1AtGaussPts ()
 get tangent 1 at integration points More...
 
DEPRECATED auto getTensor1Tangent1AtGaussPt ()
 
auto getFTensor1Tangent2AtGaussPts ()
 get tangent 2 at integration points More...
 
DEPRECATED auto getTensor1Tangent2AtGaussPt ()
 
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...
 
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)
 
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
 
MatrixDoublegetGaussPts ()
 matrix of integration (Gauss) points for Volume Element More...
 
auto getFTensor0IntegrationWeight ()
 Get integration weights. More...
 
DEPRECATED MoFEMErrorCode getPorblemRowIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
 
DEPRECATED MoFEMErrorCode getPorblemColIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) 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 left 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 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

double pressureVal
 
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

Examples
simple_elasticity.cpp.

Definition at line 244 of file simple_elasticity.cpp.

Constructor & Destructor Documentation

◆ OpPressure()

OpPressure::OpPressure ( const double  pressure_val = 1)

Member Function Documentation

◆ doWork()

MoFEMErrorCode OpPressure::doWork ( int  side,
EntityType  type,
DataForcesAndSourcesCore::EntData data 
)
virtual

Operator for linear form, usually to calculate values on right hand side.

Reimplemented from MoFEM::DataOperator.

Definition at line 257 of file simple_elasticity.cpp.

258  {
259 
261  // check that the faces have associated degrees of freedom
262  const int nb_dofs = data.getIndices().size();
263  if (nb_dofs == 0)
265 
266  // size of force vector associated to the entity
267  // set equal to the number of degrees of freedom of associated with the
268  // entity
269  nF.resize(nb_dofs, false);
270  nF.clear();
271 
272  // get number of gauss points
273  const int nb_gauss_pts = data.getN().size1();
274 
275  // create a 3d vector to be used as the normal to the face with length equal
276  // to the face area
277  auto t_normal = getFTensor1Normal();
278 
279  // get intergration weights
280  auto t_w = getFTensor0IntegrationWeight();
281 
282  // vector of base functions
283  auto t_base = data.getFTensor0N();
284 
285  // loop over all gauss points of the face
286  for (int gg = 0; gg != nb_gauss_pts; ++gg) {
287  // weight of gg gauss point
288  double w = 0.5 * t_w;
289 
290  // create a vector t_nf whose pointer points an array of 3 pointers
291  // pointing to nF memory location of components
293  &nF[2]);
294  for (int bb = 0; bb != nb_dofs / 3; ++bb) {
295  // scale the three components of t_normal and pass them to the t_nf
296  // (hence to nF)
297  t_nf(i) += (w * pressureVal * t_base) * t_normal(i);
298  // move the pointer to next element of t_nf
299  ++t_nf;
300  // move to next base function
301  ++t_base;
302  }
303 
304  // move to next integration weight
305  ++t_w;
306  }
307 
308  // add computed values of pressure in the global right hand side vector
309  CHKERR VecSetValues(getFEMethod()->ksp_f, nb_dofs, &data.getIndices()[0],
310  &nF[0], ADD_VALUES);
311 
313  }
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
Definition: definitions.h:476
#define MoFEMFunctionReturnHot(a)
Last executable line of each PETSc function used for error handling. Replaces return()
Definition: definitions.h:507
virtual const MatrixDouble & getN(const FieldApproximationBase base) const
get base functions this return matrix (nb. of rows is equal to nb. of Gauss pts, nb....
const FEMethod * getFEMethod() const
Return raw pointer to Finite Element Method object.
auto getFTensor0IntegrationWeight()
Get integration weights.
MoFEMErrorCode VecSetValues(Vec V, const DataForcesAndSourcesCore::EntData &data, const double *ptr, InsertMode iora)
Assemble PETSc vector.
#define CHKERR
Inline error check.
Definition: definitions.h:595
FTensor::Index< 'i', 3 > i
const VectorInt & getIndices() const
Get global indices of dofs on entity.
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
Definition: definitions.h:406
VectorDouble nF
FTensor::Tensor0< FTensor::PackPtr< double *, 1 > > getFTensor0N(const FieldApproximationBase base)
Get base function as Tensor0.

Member Data Documentation

◆ i

FTensor::Index<'i', 3> OpPressure::i

Definition at line 255 of file simple_elasticity.cpp.

◆ nF

VectorDouble OpPressure::nF

Definition at line 253 of file simple_elasticity.cpp.

◆ pressureVal

double OpPressure::pressureVal

Definition at line 246 of file simple_elasticity.cpp.


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