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Public Member Functions | List of all members
Poisson2DHomogeneousOperators::OpDomainLhsMatrixK Struct Reference

#include <users_modules/tutorials/scl-1/src/poisson_2d_homogeneous.hpp>

Inheritance diagram for Poisson2DHomogeneousOperators::OpDomainLhsMatrixK:
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Collaboration diagram for Poisson2DHomogeneousOperators::OpDomainLhsMatrixK:
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Public Member Functions

 OpDomainLhsMatrixK (std::string row_field_name, std::string col_field_name)
 
MoFEMErrorCode iNtegrate (EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data)
 
- Public Member Functions inherited from MoFEM::OpBaseImpl< A, EleOp >
 OpBaseImpl (const std::string row_field_name, const std::string col_field_name, const OpType type, boost::shared_ptr< Range > ents_ptr=nullptr)
 
MoFEMErrorCode doWork (int row_side, int col_side, EntityType row_type, EntityType col_type, EntData &row_data, EntData &col_data)
 Do calculations for the left hand side. More...
 
MoFEMErrorCode doWork (int row_side, EntityType row_type, EntData &row_data)
 Do calculations for the right hand side. More...
 

Additional Inherited Members

- Public Types inherited from MoFEM::OpBaseImpl< A, EleOp >
using OpType = typename EleOp::OpType
 
using EntData = EntitiesFieldData::EntData
 
using MatSetValuesHook = boost::function< MoFEMErrorCode(ForcesAndSourcesCore::UserDataOperator *op_ptr, const EntitiesFieldData::EntData &row_data, const EntitiesFieldData::EntData &col_data, MatrixDouble &m)>
 
- Public Attributes inherited from MoFEM::OpBaseImpl< A, EleOp >
TimeFun timeScalingFun
 assumes that time variable is set More...
 
FEFun feScalingFun
 assumes that time variable is set More...
 
boost::shared_ptr< RangeentsPtr
 Entities on which element is run. More...
 
- Static Public Attributes inherited from MoFEM::OpBaseImpl< A, EleOp >
static MatSetValuesHook matSetValuesHook
 
- Protected Member Functions inherited from MoFEM::OpBaseImpl< A, EleOp >
template<int DIM>
FTensor::Tensor1< FTensor::PackPtr< double *, DIM >, DIM > getNf ()
 
template<int DIM>
FTensor::Tensor2< FTensor::PackPtr< double *, DIM >, DIM, DIM > getLocMat (const int rr)
 
virtual MoFEMErrorCode iNtegrate (EntData &row_data, EntData &col_data)
 Integrate grad-grad operator. More...
 
virtual MoFEMErrorCode aSsemble (EntData &row_data, EntData &col_data, const bool trans)
 
virtual MoFEMErrorCode iNtegrate (EntData &data)
 Class dedicated to integrate operator. More...
 
virtual MoFEMErrorCode aSsemble (EntData &data)
 
virtual size_t getNbOfBaseFunctions (EntitiesFieldData::EntData &data)
 Get number of base functions. More...
 
- Protected Attributes inherited from MoFEM::OpBaseImpl< A, EleOp >
int nbRows
 number of dofs on rows More...
 
int nbCols
 number if dof on column More...
 
int nbIntegrationPts
 number of integration points More...
 
int nbRowBaseFunctions
 number or row base functions More...
 
int rowSide
 row side number More...
 
int colSide
 column side number More...
 
EntityType rowType
 row type More...
 
EntityType colType
 column type More...
 
bool assembleTranspose
 
bool onlyTranspose
 
MatrixDouble locMat
 local entity block matrix More...
 
MatrixDouble locMatTranspose
 local entity block matrix More...
 
VectorDouble locF
 local entity vector More...
 

Detailed Description

Examples
poisson_2d_homogeneous.cpp.

Definition at line 38 of file poisson_2d_homogeneous.hpp.

Constructor & Destructor Documentation

◆ OpDomainLhsMatrixK()

Poisson2DHomogeneousOperators::OpDomainLhsMatrixK::OpDomainLhsMatrixK ( std::string  row_field_name,
std::string  col_field_name 
)
inline

Definition at line 40 of file poisson_2d_homogeneous.hpp.

41 : AssemblyDomainEleOp(row_field_name, col_field_name,
@ OPROWCOL
operator doWork is executed on FE rows &columns
FormsIntegrators< DomainEleOp >::Assembly< A >::OpBase AssemblyDomainEleOp

Member Function Documentation

◆ iNtegrate()

MoFEMErrorCode Poisson2DHomogeneousOperators::OpDomainLhsMatrixK::iNtegrate ( EntitiesFieldData::EntData &  row_data,
EntitiesFieldData::EntData &  col_data 
)
inline
Examples
poisson_2d_homogeneous.hpp.

Definition at line 44 of file poisson_2d_homogeneous.hpp.

45 {
47
48 const int nb_row_dofs = row_data.getIndices().size();
49 const int nb_col_dofs = col_data.getIndices().size();
50
51 this->locMat.resize(nb_row_dofs, nb_col_dofs, false);
52 this->locMat.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
62 // get derivatives of base functions on row
63 auto t_row_diff_base = row_data.getFTensor1DiffN<SPACE_DIM>();
64
65 // START THE LOOP OVER INTEGRATION POINTS TO CALCULATE LOCAL MATRIX
66 for (int gg = 0; gg != nb_integration_points; gg++) {
67 const double a = t_w * area;
68
69 for (int rr = 0; rr != nb_row_dofs; ++rr) {
70 // get derivatives of base functions on column
71 auto t_col_diff_base = col_data.getFTensor1DiffN<SPACE_DIM>(gg, 0);
72
73 for (int cc = 0; cc != nb_col_dofs; cc++) {
74 this->locMat(rr, cc) += t_row_diff_base(i) * t_col_diff_base(i) * a;
75
76 // move to the derivatives of the next base functions on column
77 ++t_col_diff_base;
78 }
79
80 // move to the derivatives of the next base functions on row
81 ++t_row_diff_base;
82 }
83
84 // move to the weight of the next integration point
85 ++t_w;
86 }
87
89 }
constexpr double a
constexpr int SPACE_DIM
#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
FTensor::Index< 'i', SPACE_DIM > i
MatrixDouble locMat
local entity block matrix

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