v0.15.0
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Example::OpRadiationRhs Struct Reference
Inheritance diagram for Example::OpRadiationRhs:
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Collaboration diagram for Example::OpRadiationRhs:
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Public Member Functions

 OpRadiationRhs (boost::shared_ptr< VectorDouble > &approx_vals)
 
MoFEMErrorCode iNtegrate (EntData &row_data)
 [Radiation Lhs]
 
- 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.
 
MoFEMErrorCode doWork (int row_side, EntityType row_type, EntData &row_data)
 Do calculations for the right hand side.
 

Private Attributes

boost::shared_ptr< VectorDoubleapproxVals
 

Additional Inherited Members

- Public Types inherited from MoFEM::OpBaseImpl< A, EleOp >
using OpType = typename EleOp::OpType
 
using EntData = EntitiesFieldData::EntData
 
using MatSetValuesHook
 
- Public Attributes inherited from MoFEM::OpBaseImpl< A, EleOp >
TimeFun timeScalingFun
 assumes that time variable is set
 
FEFun feScalingFun
 assumes that time variable is set
 
boost::shared_ptr< RangeentsPtr
 Entities on which element is run.
 
- 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.
 
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.
 
- Protected Attributes inherited from MoFEM::OpBaseImpl< A, EleOp >
int nbRows
 number of dofs on rows
 
int nbCols
 number if dof on column
 
int nbIntegrationPts
 number of integration points
 
int nbRowBaseFunctions
 number or row base functions
 
int rowSide
 row side number
 
int colSide
 column side number
 
EntityType rowType
 row type
 
EntityType colType
 column type
 
bool assembleTranspose
 
bool onlyTranspose
 
MatrixDouble locMat
 local entity block matrix
 
MatrixDouble locMatTranspose
 local entity block matrix
 
VectorDouble locF
 local entity vector
 

Detailed Description

Definition at line 79 of file radiation.cpp.

Constructor & Destructor Documentation

◆ OpRadiationRhs()

Example::OpRadiationRhs::OpRadiationRhs ( boost::shared_ptr< VectorDouble > & approx_vals)
inline

Definition at line 85 of file radiation.cpp.

86 : OpBase("T", "T", OpBase::OPROW), approxVals(approx_vals) {}
OpBaseImpl< PETSC, EdgeEleOp > OpBase
Definition radiation.cpp:29
boost::shared_ptr< VectorDouble > approxVals
Definition radiation.cpp:82

Member Function Documentation

◆ iNtegrate()

MoFEMErrorCode Example::OpRadiationRhs::iNtegrate ( EntData & row_data)
virtual

[Radiation Lhs]

[Radiation Lhs]

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

Definition at line 414 of file radiation.cpp.

414 {
416 // get element volume
417 const double vol = getMeasure();
418 // get integration weights
419 auto t_w = getFTensor0IntegrationWeight();
420 // get base function gradient on rows
421 auto t_row_base = row_data.getFTensor0N();
422 // gat temperature at integration points
423 auto t_val = getFTensor0FromVec(*(approxVals));
424 // get coordinate at integration points
425 auto t_coords = getFTensor1CoordsAtGaussPts();
426
427 // loop over integration points
428 for (int gg = 0; gg != nbIntegrationPts; gg++) {
429
430 // Cylinder radius
431 const double r_cylinder = t_coords(0);
432
433 // take into account Jacobean
434 const double alpha = t_w * vol * Beta * (2 * M_PI * r_cylinder);
435 // loop over rows base functions
436 for (int rr = 0; rr != nbRows; ++rr) {
437 if (std::abs(t_coords(0)) > std::numeric_limits<double>::epsilon()) {
438 locF[rr] += alpha * t_row_base *
439 (std::pow(static_cast<double>(t_val), 4) -
440 std::pow(T_ambient, 4));
441 }
442 ++t_row_base;
443 }
444 ++t_coords;
445 ++t_val;
446 ++t_w; // move to another integration weight
447 }
448
450}
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
static auto getFTensor0FromVec(ublas::vector< T, A > &data)
Get tensor rank 0 (scalar) form data vector.
constexpr double Beta
Definition radiation.cpp:40
constexpr double T_ambient
Definition radiation.cpp:42
FTensor::Tensor0< FTensor::PackPtr< double *, 1 > > getFTensor0N(const FieldApproximationBase base)
Get base function as Tensor0.
VectorDouble locF
local entity vector
int nbRows
number of dofs on rows
int nbIntegrationPts
number of integration points

Member Data Documentation

◆ approxVals

boost::shared_ptr<VectorDouble> Example::OpRadiationRhs::approxVals
private

Definition at line 82 of file radiation.cpp.


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