v0.14.0
Public Member Functions | Private Attributes | List of all members
NonlinearPoissonOps::OpDomainTangentMatrix Struct Reference

#include <tutorials/scl-4/src/nonlinear_poisson_2d.hpp>

Inheritance diagram for NonlinearPoissonOps::OpDomainTangentMatrix:
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Collaboration diagram for NonlinearPoissonOps::OpDomainTangentMatrix:
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Public Member Functions

 OpDomainTangentMatrix (std::string row_field_name, std::string col_field_name, boost::shared_ptr< DataAtGaussPoints > &common_data, boost::shared_ptr< std::vector< unsigned char >> boundary_marker=nullptr)
 
MoFEMErrorCode doWork (int row_side, int col_side, EntityType row_type, EntityType col_type, EntData &row_data, EntData &col_data)
 Operator for bi-linear form, usually to calculate values on left 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 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< DataAtGaussPointscommonData
 
boost::shared_ptr< std::vector< unsigned char > > boundaryMarker
 
MatrixDouble locLhs
 

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 []
 
- Protected Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
ForcesAndSourcesCoreptrFE
 

Detailed Description

Definition at line 30 of file nonlinear_poisson_2d.hpp.

Constructor & Destructor Documentation

◆ OpDomainTangentMatrix()

NonlinearPoissonOps::OpDomainTangentMatrix::OpDomainTangentMatrix ( std::string  row_field_name,
std::string  col_field_name,
boost::shared_ptr< DataAtGaussPoints > &  common_data,
boost::shared_ptr< std::vector< unsigned char >>  boundary_marker = nullptr 
)
inline

Definition at line 32 of file nonlinear_poisson_2d.hpp.

36  : OpFaceEle(row_field_name, col_field_name, OpFaceEle::OPROWCOL),
37  commonData(common_data), boundaryMarker(boundary_marker) {
38  sYmm = false;
39  }

Member Function Documentation

◆ doWork()

MoFEMErrorCode NonlinearPoissonOps::OpDomainTangentMatrix::doWork ( int  row_side,
int  col_side,
EntityType  row_type,
EntityType  col_type,
EntData row_data,
EntData col_data 
)
inlinevirtual

Operator for bi-linear form, usually to calculate values on left hand side.

Reimplemented from MoFEM::DataOperator.

Definition at line 41 of file nonlinear_poisson_2d.hpp.

43  {
45 
46  const int nb_row_dofs = row_data.getIndices().size();
47  const int nb_col_dofs = col_data.getIndices().size();
48 
49  if (nb_row_dofs && nb_col_dofs) {
50 
51  locLhs.resize(nb_row_dofs, nb_col_dofs, false);
52  locLhs.clear();
53 
54  // get element area
55  const double area = getMeasure();
56 
57  // get number of integration points
58  const int nb_integration_points = getGaussPts().size2();
59  // get integration weights
60  auto t_w = getFTensor0IntegrationWeight();
61  // get solution (field value) at integration points
62  auto t_field = getFTensor0FromVec(commonData->fieldValue);
63  // get gradient of field at integration points
64  auto t_field_grad = getFTensor1FromMat<2>(commonData->fieldGrad);
65 
66  // get base functions on row
67  auto t_row_base = row_data.getFTensor0N();
68  // get derivatives of base functions on row
69  auto t_row_diff_base = row_data.getFTensor1DiffN<2>();
70 
71  // START THE LOOP OVER INTEGRATION POINTS TO CALCULATE LOCAL MATRIX
72  for (int gg = 0; gg != nb_integration_points; gg++) {
73  const double a = t_w * area;
74 
75  for (int rr = 0; rr != nb_row_dofs; ++rr) {
76  // get base functions on column
77  auto t_col_base = col_data.getFTensor0N(gg, 0);
78  // get derivatives of base functions on column
79  auto t_col_diff_base = col_data.getFTensor1DiffN<2>(gg, 0);
80 
81  for (int cc = 0; cc != nb_col_dofs; cc++) {
82  locLhs(rr, cc) += (((1 + t_field * t_field) * t_row_diff_base(i) *
83  t_col_diff_base(i)) +
84  (2.0 * t_field * t_field_grad(i) *
85  t_row_diff_base(i) * t_col_base)) *
86  a;
87 
88  // move to the next base functions on column
89  ++t_col_base;
90  // move to the derivatives of the next base function on column
91  ++t_col_diff_base;
92  }
93 
94  // move to the next base function on row
95  ++t_row_base;
96  // move to the derivatives of the next base function on row
97  ++t_row_diff_base;
98  }
99 
100  // move to the weight of the next integration point
101  ++t_w;
102  // move to the solution (field value) at the next integration point
103  ++t_field;
104  // move to the gradient of field value at the next integration point
105  ++t_field_grad;
106  }
107 
108  // FILL VALUES OF LOCAL MATRIX ENTRIES TO THE GLOBAL MATRIX
109 
110  // store original row indices
111  auto row_indices = row_data.getIndices();
112  // mark the boundary DOFs (as -1) and fill only domain DOFs
113  if (boundaryMarker) {
114  for (int r = 0; r != row_data.getIndices().size(); ++r) {
115  if ((*boundaryMarker)[row_data.getLocalIndices()[r]]) {
116  row_data.getIndices()[r] = -1;
117  }
118  }
119  }
120  // fill value to local stiffness matrix ignoring boundary DOFs
121  CHKERR MatSetValues(getSNESB(), row_data, col_data, &locLhs(0, 0),
122  ADD_VALUES);
123  // revert back row indices to the original
124  row_data.getIndices().swap(row_indices);
125  }
126 
128  }

Member Data Documentation

◆ boundaryMarker

boost::shared_ptr<std::vector<unsigned char> > NonlinearPoissonOps::OpDomainTangentMatrix::boundaryMarker
private

Definition at line 132 of file nonlinear_poisson_2d.hpp.

◆ commonData

boost::shared_ptr<DataAtGaussPoints> NonlinearPoissonOps::OpDomainTangentMatrix::commonData
private

Definition at line 131 of file nonlinear_poisson_2d.hpp.

◆ locLhs

MatrixDouble NonlinearPoissonOps::OpDomainTangentMatrix::locLhs
private

Definition at line 133 of file nonlinear_poisson_2d.hpp.


The documentation for this struct was generated from the following file:
MoFEM::MatSetValues
MoFEMErrorCode MatSetValues(Mat M, const EntitiesFieldData::EntData &row_data, const EntitiesFieldData::EntData &col_data, const double *ptr, InsertMode iora)
Assemble PETSc matrix.
Definition: EntitiesFieldData.hpp:1644
MoFEM::EntitiesFieldData::EntData::getLocalIndices
const VectorInt & getLocalIndices() const
get local indices of dofs on entity
Definition: EntitiesFieldData.hpp:1229
MoFEM::ForcesAndSourcesCore::UserDataOperator::OPROWCOL
@ OPROWCOL
operator doWork is executed on FE rows &columns
Definition: ForcesAndSourcesCore.hpp:569
sdf.r
int r
Definition: sdf.py:8
MoFEM::ForcesAndSourcesCore::UserDataOperator::getFTensor0IntegrationWeight
auto getFTensor0IntegrationWeight()
Get integration weights.
Definition: ForcesAndSourcesCore.hpp:1240
MoFEM::ForcesAndSourcesCore::UserDataOperator::getMeasure
double getMeasure() const
get measure of element
Definition: ForcesAndSourcesCore.hpp:1275
MoFEM::ForcesAndSourcesCore::UserDataOperator::getGaussPts
MatrixDouble & getGaussPts()
matrix of integration (Gauss) points for Volume Element
Definition: ForcesAndSourcesCore.hpp:1236
MoFEM::EntitiesFieldData::EntData::getFTensor0N
FTensor::Tensor0< FTensor::PackPtr< double *, 1 > > getFTensor0N(const FieldApproximationBase base)
Get base function as Tensor0.
Definition: EntitiesFieldData.hpp:1502
CHKERR
#define CHKERR
Inline error check.
Definition: definitions.h:548
a
constexpr double a
Definition: approx_sphere.cpp:30
NonlinearPoissonOps::OpDomainTangentMatrix::commonData
boost::shared_ptr< DataAtGaussPoints > commonData
Definition: nonlinear_poisson_2d.hpp:131
MoFEM::getFTensor0FromVec
static auto getFTensor0FromVec(ublas::vector< T, A > &data)
Get tensor rank 0 (scalar) form data vector.
Definition: Templates.hpp:135
NonlinearPoissonOps::i
FTensor::Index< 'i', 2 > i
Definition: nonlinear_poisson_2d.hpp:18
MoFEM::EntitiesFieldData::EntData::getIndices
const VectorInt & getIndices() const
Get global indices of dofs on entity.
Definition: EntitiesFieldData.hpp:1214
MoFEM::ForcesAndSourcesCore::UserDataOperator::getSNESB
Mat getSNESB() const
Definition: ForcesAndSourcesCore.hpp:1136
NonlinearPoissonOps::OpDomainTangentMatrix::locLhs
MatrixDouble locLhs
Definition: nonlinear_poisson_2d.hpp:133
MoFEM::EntitiesFieldData::EntData::getFTensor1DiffN
FTensor::Tensor1< FTensor::PackPtr< double *, Tensor_Dim >, Tensor_Dim > getFTensor1DiffN(const FieldApproximationBase base)
Get derivatives of base functions.
Definition: EntitiesFieldData.cpp:526
NonlinearPoissonOps::OpDomainTangentMatrix::boundaryMarker
boost::shared_ptr< std::vector< unsigned char > > boundaryMarker
Definition: nonlinear_poisson_2d.hpp:132
OpFaceEle
MoFEM::FaceElementForcesAndSourcesCore::UserDataOperator OpFaceEle
Definition: nonlinear_poisson_2d.hpp:11
MoFEM::DataOperator::sYmm
bool sYmm
If true assume that matrix is symmetric structure.
Definition: DataOperators.hpp:82
MoFEMFunctionReturn
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
Definition: definitions.h:429
MoFEMFunctionBegin
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
Definition: definitions.h:359