v0.14.0
Public Member Functions | Private Attributes | List of all members
Poisson2DHomogeneousOperators::OpDomainRhsVectorF Struct Reference

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

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

 OpDomainRhsVectorF (std::string field_name, ScalarFunc source_term_function)
 
MoFEMErrorCode iNtegrate (EntitiesFieldData::EntData &data)
 Class dedicated to integrate operator. More...
 
- 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...
 

Private Attributes

ScalarFunc sourceTermFunc
 

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 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 94 of file poisson_2d_homogeneous.hpp.

Constructor & Destructor Documentation

◆ OpDomainRhsVectorF()

Poisson2DHomogeneousOperators::OpDomainRhsVectorF::OpDomainRhsVectorF ( std::string  field_name,
ScalarFunc  source_term_function 
)
inline

Definition at line 96 of file poisson_2d_homogeneous.hpp.

97  : AssemblyDomainEleOp(field_name, field_name, DomainEleOp::OPROW),
98  sourceTermFunc(source_term_function) {}

Member Function Documentation

◆ iNtegrate()

MoFEMErrorCode Poisson2DHomogeneousOperators::OpDomainRhsVectorF::iNtegrate ( EntitiesFieldData::EntData data)
inlinevirtual

Class dedicated to integrate operator.

Parameters
dataentity data on element row
Returns
error code

Reimplemented from MoFEM::OpBaseImpl< A, EleOp >.

Definition at line 100 of file poisson_2d_homogeneous.hpp.

100  {
102 
103  const int nb_dofs = data.getIndices().size();
104 
105  this->locF.resize(nb_dofs, false);
106  this->locF.clear();
107 
108  // get element area
109  const double area = getMeasure();
110 
111  // get number of integration points
112  const int nb_integration_points = getGaussPts().size2();
113  // get integration weights
114  auto t_w = getFTensor0IntegrationWeight();
115  auto t_coords = getFTensor1CoordsAtGaussPts();
116 
117  // get base function
118  auto t_base = data.getFTensor0N();
119 
120  // START THE LOOP OVER INTEGRATION POINTS TO CALCULATE LOCAL VECTOR
121  for (int gg = 0; gg != nb_integration_points; gg++) {
122  const double a = t_w * area;
123 
124  // get source term at the integration point coordinates
125  double body_source =
126  sourceTermFunc(t_coords(0), t_coords(1), t_coords(2));
127  for (int rr = 0; rr != nb_dofs; rr++) {
128  this->locF[rr] += t_base * body_source * a;
129 
130  // move to the next base function
131  ++t_base;
132  }
133 
134  // move to the weight of the next integration point
135  ++t_w;
136  // move to the coordinates of the next integration point
137  ++t_coords;
138  }
139 
141  }

Member Data Documentation

◆ sourceTermFunc

ScalarFunc Poisson2DHomogeneousOperators::OpDomainRhsVectorF::sourceTermFunc
private

Definition at line 144 of file poisson_2d_homogeneous.hpp.


The documentation for this struct was generated from the following file:
Poisson2DHomogeneousOperators::OpDomainRhsVectorF::sourceTermFunc
ScalarFunc sourceTermFunc
Definition: poisson_2d_homogeneous.hpp:144
MoFEM::EntitiesFieldData::EntData::getFTensor0N
FTensor::Tensor0< FTensor::PackPtr< double *, 1 > > getFTensor0N(const FieldApproximationBase base)
Get base function as Tensor0.
Definition: EntitiesFieldData.hpp:1502
MoFEM::OpBaseImpl::locF
VectorDouble locF
local entity vector
Definition: FormsIntegrators.hpp:251
a
constexpr double a
Definition: approx_sphere.cpp:30
MoFEM::EntitiesFieldData::EntData::getIndices
const VectorInt & getIndices() const
Get global indices of dofs on entity.
Definition: EntitiesFieldData.hpp:1214
field_name
constexpr auto field_name
Definition: poisson_2d_homogeneous.cpp:13
AssemblyDomainEleOp
FormsIntegrators< DomainEleOp >::Assembly< PETSC >::OpBase AssemblyDomainEleOp
Definition: poisson_2d_homogeneous.hpp:28
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