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Public Member Functions | Private Attributes | List of all members
Poisson2DiscontGalerkinOperators::OpL2BoundaryRhs Struct Reference

Operator to evaluate Dirichlet boundary conditions using DG. More...

#include <users_modules/tutorials/scl-11/src/PoissonDiscontinousGalerkin.hpp>

Inheritance diagram for Poisson2DiscontGalerkinOperators::OpL2BoundaryRhs:
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Collaboration diagram for Poisson2DiscontGalerkinOperators::OpL2BoundaryRhs:
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Public Member Functions

 OpL2BoundaryRhs (boost::shared_ptr< FaceSideEle > side_fe_ptr, ScalarFun fun)
 
MoFEMErrorCode doWork (int side, EntityType type, EntData &data)
 Operator for linear form, usually to calculate values on right hand side. More...
 
- Public Member Functions inherited from MoFEM::FaceElementForcesAndSourcesCore::UserDataOperator
double getArea ()
 get area of face 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...
 
auto getFTensor1Tangent1 ()
 get tangentOne as tensor More...
 
auto getFTensor1Tangent2 ()
 get tangentTwo as tensor More...
 
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...
 
MatrixDoublegetNormalsAtGaussPts ()
 if higher order geometry return normals at Gauss pts. More...
 
ublas::matrix_row< MatrixDoublegetNormalsAtGaussPts (const int gg)
 if higher order geometry return normals at Gauss pts. More...
 
MatrixDoublegetTangent1AtGaussPts ()
 if higher order geometry return tangent vector to triangle at Gauss pts. More...
 
MatrixDoublegetTangent2AtGaussPts ()
 if higher order geometry return tangent vector to triangle at Gauss pts. More...
 
auto getFTensor1NormalsAtGaussPts ()
 get normal at integration points More...
 
auto getFTensor1Tangent1AtGaussPts ()
 get tangent 1 at integration points More...
 
auto getFTensor1Tangent2AtGaussPts ()
 get tangent 2 at integration points More...
 
FaceElementForcesAndSourcesCoregetFaceFE ()
 return pointer to Generic Triangle Finite Element object More...
 
MoFEMErrorCode loopSideVolumes (const string fe_name, VolumeElementForcesAndSourcesCoreOnSide &fe_method)
 
- 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...
 
std::string getFEName () const
 Get name of the element. More...
 
ForcesAndSourcesCoregetPtrFE () const
 
ForcesAndSourcesCoregetSidePtrFE () const
 
ForcesAndSourcesCoregetRefinePtrFE () const
 
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 getTStimeStep () 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...
 
doublegetMeasure ()
 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, 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. More...
 
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. More...
 
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. More...
 
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. 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 doWork (int side, EntityType type, EntitiesFieldData::EntData &data)
 Operator for linear form, usually to calculate values on right hand side. More...
 
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...
 

Private Attributes

boost::shared_ptr< FaceSideElesideFEPtr
 pointer to element to get data on edge/face sides More...
 
ScalarFun sourceFun
 pointer to function to evaluate value of function on boundary More...
 
VectorDouble rhsF
 vector to store local operator right hand side More...
 

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)>
 
- 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 []
 
virtual MoFEMErrorCode setPtrFE (ForcesAndSourcesCore *ptr)
 
- Protected Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
ForcesAndSourcesCoreptrFE
 

Detailed Description

Operator to evaluate Dirichlet boundary conditions using DG.

Examples
poisson_2d_dis_galerkin.cpp.

Definition at line 274 of file PoissonDiscontinousGalerkin.hpp.

Constructor & Destructor Documentation

◆ OpL2BoundaryRhs()

Poisson2DiscontGalerkinOperators::OpL2BoundaryRhs::OpL2BoundaryRhs ( boost::shared_ptr< FaceSideEle side_fe_ptr,
ScalarFun  fun 
)
inline

Definition at line 276 of file PoissonDiscontinousGalerkin.hpp.

278 sourceFun(fun) {}
BoundaryEle::UserDataOperator BoundaryEleOp
@ NOSPACE
Definition: definitions.h:83
auto fun
Function to approximate.
@ OPSPACE
operator do Work is execute on space data
ScalarFun sourceFun
pointer to function to evaluate value of function on boundary
boost::shared_ptr< FaceSideEle > sideFEPtr
pointer to element to get data on edge/face sides

Member Function Documentation

◆ doWork()

MoFEMErrorCode Poisson2DiscontGalerkinOperators::OpL2BoundaryRhs::doWork ( int  side,
EntityType  type,
EntData data 
)
inlinevirtual

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

Reimplemented from MoFEM::DataOperator.

Examples
PoissonDiscontinousGalerkin.hpp.

Definition at line 280 of file PoissonDiscontinousGalerkin.hpp.

280 {
282
283 // get normal of the face or edge
284 CHKERR loopSideFaces("dFE", *sideFEPtr);
285 const auto in_the_loop =
286 sideFEPtr->nInTheLoop; // return number of elements on the side
287
288 // calculate penalty
289 const double s = getMeasure() / (areaMap[0]);
290 const double p = penalty * s;
291
292 // get normal of the face or edge
293 auto t_normal = getFTensor1Normal();
294 t_normal.normalize();
295
296 auto t_w = getFTensor0IntegrationWeight();
297
298 const size_t nb_rows = indicesRowSideMap[0].size();
299
300 if (!nb_rows)
302
303 // resize local operator vector
304 rhsF.resize(nb_rows, false);
305 rhsF.clear();
306
307 const size_t nb_integration_pts = getGaussPts().size2();
308 const size_t nb_row_base_functions = rowBaseSideMap[0].size2();
309
310 // shape funcs
311 auto t_row_base = get_ntensor(rowBaseSideMap[0]);
312 auto t_diff_row_base = get_diff_ntensor(rowDiffBaseSideMap[0]);
313 auto t_coords = getFTensor1CoordsAtGaussPts();
314
315 const auto sense_row = senseMap[0];
316 const double beta = static_cast<double>(nitsche) / (in_the_loop + 1);
317
318 for (size_t gg = 0; gg != nb_integration_pts; ++gg) {
319 const double alpha = getMeasure() * t_w;
320
321 const double source_val =
322 -p * sourceFun(t_coords(0), t_coords(1), t_coords(2));
323
324 auto t_f = rhsF.data().begin();
325
326 size_t rr = 0;
327 for (; rr != nb_rows; ++rr) {
328
330 t_vn_plus(i) = beta * (phi * t_diff_row_base(i) / p);
332 t_vn(i) = t_row_base * t_normal(i) * sense_row - t_vn_plus(i);
333
334 // assemble operator local vactor
335 *t_f -= alpha * t_vn(i) * (source_val * t_normal(i));
336
337 ++t_row_base;
338 ++t_diff_row_base;
339 ++t_f;
340 }
341
342 for (; rr < nb_row_base_functions; ++rr) {
343 ++t_row_base;
344 ++t_diff_row_base;
345 }
346
347 ++t_w;
348 ++t_coords;
349 }
350
351 // assemble local operator vector to global vector
352 CHKERR ::VecSetValues(getKSPf(), indicesRowSideMap[0].size(),
353 &*indicesRowSideMap[0].begin(), &*rhsF.data().begin(),
354 ADD_VALUES);
355
357 }
static Index< 'p', 3 > p
#define MoFEMFunctionReturnHot(a)
Last executable line of each PETSc function used for error handling. Replaces return()
Definition: definitions.h:447
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
Definition: definitions.h:346
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
Definition: definitions.h:416
#define CHKERR
Inline error check.
Definition: definitions.h:535
static double penalty
static double phi
std::array< MatrixDouble, 2 > rowBaseSideMap
FTensor::Index< 'i', SPACE_DIM > i
std::array< VectorInt, 2 > indicesRowSideMap
indices on rows for left hand-side
std::array< MatrixDouble, 2 > rowDiffBaseSideMap
static double nitsche
auto getFTensor1CoordsAtGaussPts()
Get coordinates at integration points assuming linear geometry.
auto getFTensor0IntegrationWeight()
Get integration weights.
double getMeasure() const
get measure of element
MatrixDouble & getGaussPts()
matrix of integration (Gauss) points for Volume Element
VectorDouble rhsF
vector to store local operator right hand side

Member Data Documentation

◆ rhsF

VectorDouble Poisson2DiscontGalerkinOperators::OpL2BoundaryRhs::rhsF
private

vector to store local operator right hand side

Examples
PoissonDiscontinousGalerkin.hpp.

Definition at line 363 of file PoissonDiscontinousGalerkin.hpp.

◆ sideFEPtr

boost::shared_ptr<FaceSideEle> Poisson2DiscontGalerkinOperators::OpL2BoundaryRhs::sideFEPtr
private

pointer to element to get data on edge/face sides

Examples
PoissonDiscontinousGalerkin.hpp.

Definition at line 361 of file PoissonDiscontinousGalerkin.hpp.

◆ sourceFun

ScalarFun Poisson2DiscontGalerkinOperators::OpL2BoundaryRhs::sourceFun
private

pointer to function to evaluate value of function on boundary

Examples
PoissonDiscontinousGalerkin.hpp.

Definition at line 362 of file PoissonDiscontinousGalerkin.hpp.


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