v0.13.0
Public Member Functions | Protected Attributes | List of all members
Example::OpRhs Struct Reference
Inheritance diagram for Example::OpRhs:
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Collaboration diagram for Example::OpRhs:
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Public Member Functions

 OpRhs (boost::shared_ptr< MatrixDouble > u_grad_ptr)
 
MoFEMErrorCode doWork (int side, EntityType type, EntitiesFieldData::EntData &data)
 Operator for linear form, usually to calculate values on right hand side. More...
 
- Public Member Functions inherited from MoFEM::VolumeElementForcesAndSourcesCoreBase::UserDataOperator
int getNumNodes ()
 get element number of nodes More...
 
const EntityHandlegetConn ()
 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...
 
VectorDoublegetCoords ()
 nodal coordinates More...
 
VolumeElementForcesAndSourcesCoreBasegetVolumeFE () 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 NumeredEntFiniteElementgetNumeredEntFiniteElementPtr () 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< SideNumbergetSideNumberPtr (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 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...
 
const PetscData::SwitchesgetDataCtx () 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 getTSa () const
 
double getTSaa () const
 
MatrixDoublegetGaussPts ()
 matrix of integration (Gauss) points for Volume Element More...
 
auto getFTensor0IntegrationWeight ()
 Get integration weights. More...
 
MatrixDoublegetCoordsAtGaussPts ()
 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 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...
 

Protected Attributes

boost::shared_ptr< MatrixDouble > uGradPtr
 
- Protected Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
ForcesAndSourcesCoreptrFE
 

Additional Inherited Members

- Public Types inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
enum  OpType { OPROW = 1 << 0 , OPCOL = 1 << 1 , OPROWCOL = 1 << 2 , OPSPACE = 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)>
 
- 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...
 
booldoVertices
 \deprectaed If false skip vertices More...
 
booldoEdges
 \deprectaed If false skip edges More...
 
booldoQuads
 \deprectaed More...
 
booldoTris
 \deprectaed More...
 
booldoTets
 \deprectaed More...
 
booldoPrisms
 \deprectaed More...
 
- Static Public Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
static const char *const OpTypeNames []
 
- Protected Member Functions inherited from MoFEM::VolumeElementForcesAndSourcesCoreBase::UserDataOperator
MoFEMErrorCode setPtrFE (ForcesAndSourcesCore *ptr)
 
- Protected Member Functions inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
ForcesAndSourcesCoregetPtrFE () const
 
ForcesAndSourcesCoregetSidePtrFE () const
 
ForcesAndSourcesCoregetRefinePtrFE () const
 

Detailed Description

Use problem specific implementation for second stage of heat methid

Definition at line 81 of file heat_method.cpp.

Constructor & Destructor Documentation

◆ OpRhs()

Example::OpRhs::OpRhs ( boost::shared_ptr< MatrixDouble >  u_grad_ptr)
Examples
heat_method.cpp.

Definition at line 416 of file heat_method.cpp.

417  : DomainEleOp("U", DomainEleOp::OPROW), uGradPtr(u_grad_ptr) {}
DomainEle::UserDataOperator DomainEleOp
Definition: heat_method.cpp:45
boost::shared_ptr< MatrixDouble > uGradPtr
Definition: heat_method.cpp:89

Member Function Documentation

◆ doWork()

MoFEMErrorCode Example::OpRhs::doWork ( int  side,
EntityType  type,
EntitiesFieldData::EntData data 
)
virtual

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

Reimplemented from MoFEM::DataOperator.

Examples
heat_method.cpp.

Definition at line 419 of file heat_method.cpp.

420  {
422 
424 
425  auto nb_dofs = data.getIndices().size();
426  if (nb_dofs) {
427 
428  auto t_grad = getFTensor1FromMat<3>(*uGradPtr);
429 
430  auto nb_base_functions = data.getN().size2();
431  auto nb_gauss_pts = getGaussPts().size2();
432  std::array<double, MAX_DOFS_ON_ENTITY> nf;
433  std::fill(nf.begin(), &nf[nb_dofs], 0);
434 
435  auto t_diff_base = data.getFTensor1DiffN<3>();
436  auto t_w = getFTensor0IntegrationWeight();
437  auto a = getMeasure();
438 
439  for (size_t gg = 0; gg != nb_gauss_pts; ++gg) {
440  double alpha = t_w * a;
441 
442  const auto l2 = t_grad(i) * t_grad(i);
444  if (l2 > std::numeric_limits<double>::epsilon())
445  t_one(i) = t_grad(i) / std::sqrt(l2);
446  else
447  t_one(i) = 0;
448 
449  size_t bb = 0;
450  for (; bb != nb_dofs; ++bb) {
451  nf[bb] -= alpha * t_diff_base(i) * t_one(i);
452  ++t_diff_base;
453  }
454 
455  for (; bb < nb_base_functions; ++bb) {
456  ++t_diff_base;
457  }
458 
459  ++t_grad;
460  }
461 
462  CHKERR VecSetValues<MoFEM::EssentialBcStorage>(getKSPf(), data, &nf[0],
463  ADD_VALUES);
464  }
465 
467 }
constexpr double a
constexpr double alpha
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
Definition: definitions.h:359
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
Definition: definitions.h:429
#define CHKERR
Inline error check.
Definition: definitions.h:548
FTensor::Index< 'i', SPACE_DIM > i
FTensor::Tensor1< FTensor::PackPtr< double *, Tensor_Dim >, Tensor_Dim > getFTensor1DiffN(const FieldApproximationBase base)
Get derivatives of base functions.
MatrixDouble & getN(const FieldApproximationBase base)
get base functions this return matrix (nb. of rows is equal to nb. of Gauss pts, nb....
const VectorInt & getIndices() const
Get global indices of dofs on entity.
auto getFTensor0IntegrationWeight()
Get integration weights.
double getMeasure() const
get measure of element
MatrixDouble & getGaussPts()
matrix of integration (Gauss) points for Volume Element

Member Data Documentation

◆ uGradPtr

boost::shared_ptr<MatrixDouble> Example::OpRhs::uGradPtr
protected
Examples
heat_method.cpp.

Definition at line 89 of file heat_method.cpp.


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