v0.13.0
Public Member Functions | Private Attributes | List of all members
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] 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)
 
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
 
- 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)=0
 
virtual MoFEMErrorCode aSsemble (EntData &data)=0
 
- 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 91 of file radiation.cpp.

Constructor & Destructor Documentation

◆ OpRadiationRhs()

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

Definition at line 97 of file radiation.cpp.

98  : OpBase("T", "T", OpBase::OPROW), approxVals(approx_vals) {}
OpBaseImpl< PETSC, EdgeEleOp > OpBase
Definition: radiation.cpp:41
boost::shared_ptr< VectorDouble > approxVals
Definition: radiation.cpp:94

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 407 of file radiation.cpp.

407  {
409  // get element volume
410  const double vol = getMeasure();
411  // get integration weights
412  auto t_w = getFTensor0IntegrationWeight();
413  // get base function gradient on rows
414  auto t_row_base = row_data.getFTensor0N();
415  // gat temperature at integration points
416  auto t_val = getFTensor0FromVec(*(approxVals));
417  // get coordinate at integration points
418  auto t_coords = getFTensor1CoordsAtGaussPts();
419 
420  // loop over integration points
421  for (int gg = 0; gg != nbIntegrationPts; gg++) {
422 
423  // Cylinder radius
424  const double r_cylinder = t_coords(0);
425 
426  // take into account Jacobean
427  const double alpha = t_w * vol * Beta * (2 * M_PI * r_cylinder);
428  // loop over rows base functions
429  for (int rr = 0; rr != nbRows; ++rr) {
430  if (std::abs(t_coords(0)) > std::numeric_limits<double>::epsilon()) {
431  locF[rr] += alpha * t_row_base * (pow(t_val, 4) - pow(T_ambient, 4));
432  }
433  ++t_row_base;
434  }
435  ++t_coords;
436  ++t_val;
437  ++t_w; // move to another integration weight
438  }
439 
441 }
constexpr double alpha
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
Definition: definitions.h:359
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
Definition: definitions.h:429
static auto getFTensor0FromVec(ublas::vector< T, A > &data)
Get tensor rank 0 (scalar) form data vector.
Definition: Templates.hpp:149
constexpr double Beta
Definition: radiation.cpp:52
constexpr double T_ambient
Definition: radiation.cpp:54
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 94 of file radiation.cpp.


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