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Example::OpRadiationLhs Struct Reference
Inheritance diagram for Example::OpRadiationLhs:
Collaboration diagram for Example::OpRadiationLhs:

Public Member Functions

 OpRadiationLhs (boost::shared_ptr< VectorDouble > &approx_vals)
MoFEMErrorCode iNtegrate (EntData &row_data, EntData &col_data)
 [Radiation Lhs] 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

boost::shared_ptr< VectorDouble > approxVals

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)
- 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

Definition at line 65 of file radiation.cpp.

Constructor & Destructor Documentation

◆ OpRadiationLhs()

Example::OpRadiationLhs::OpRadiationLhs ( boost::shared_ptr< VectorDouble > &  approx_vals)

Definition at line 71 of file radiation.cpp.

72 : OpBase("T", "T", OpBase::OPROWCOL), approxVals(approx_vals) {
73 this->sYmm = false;
74 }
OpBaseImpl< PETSC, EdgeEleOp > OpBase
Definition: radiation.cpp:29
boost::shared_ptr< VectorDouble > approxVals
Definition: radiation.cpp:68

Member Function Documentation

◆ iNtegrate()

MoFEMErrorCode Example::OpRadiationLhs::iNtegrate ( EntData row_data,
EntData col_data 

[Radiation Lhs]

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

Definition at line 369 of file radiation.cpp.

370 {
372 // get element volume
373 const double vol = this->getMeasure();
374 // get integration weights
375 auto t_w = getFTensor0IntegrationWeight();
376 // get base function gradient on rows
377 auto t_row_base = row_data.getFTensor0N();
378 // gat temperature at integration points
379 auto t_val = getFTensor0FromVec(*(approxVals));
380 // get coordinate at integration points
381 auto t_coords = getFTensor1CoordsAtGaussPts();
383 // loop over integration points
384 for (int gg = 0; gg != nbIntegrationPts; gg++) {
386 // Cylinder radius
387 const double r_cylinder = t_coords(0);
389 // take into account Jacobean
390 const double alpha = t_w * vol * Beta * (2 * M_PI * r_cylinder);
391 // loop over rows base functions
392 for (int rr = 0; rr != nbRows; ++rr) {
393 auto t_col_base = col_data.getFTensor0N(gg, 0);
394 // loop over columns
395 for (int cc = 0; cc != nbCols; cc++) {
396 if (std::abs(t_coords(0)) > std::numeric_limits<double>::epsilon()) {
397 locMat(rr, cc) += alpha * t_row_base * t_col_base * 4 * pow(t_val, 3);
398 }
399 ++t_col_base;
400 }
401 ++t_row_base;
402 }
404 ++t_val;
405 ++t_coords;
406 ++t_w; // move to another integration weight
407 }
#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
static auto getFTensor0FromVec(ublas::vector< T, A > &data)
Get tensor rank 0 (scalar) form data vector.
Definition: Templates.hpp:135
constexpr double Beta
Definition: radiation.cpp:40
FTensor::Tensor0< FTensor::PackPtr< double *, 1 > > getFTensor0N(const FieldApproximationBase base)
Get base function as Tensor0.
int nbRows
number of dofs on rows
int nbIntegrationPts
number of integration points
MatrixDouble locMat
local entity block matrix
int nbCols
number if dof on column

Member Data Documentation

◆ approxVals

boost::shared_ptr<VectorDouble> Example::OpRadiationLhs::approxVals

Definition at line 68 of file radiation.cpp.

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