v0.13.0
Public Member Functions | Private Attributes | List of all members
Example::OpFluxRhs Struct Reference
Inheritance diagram for Example::OpFluxRhs:
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Collaboration diagram for Example::OpFluxRhs:
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Public Member Functions

 OpFluxRhs ()
 
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

FTensor::Index< 'i', 2 > i
 summit Index More...
 

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 103 of file radiation.cpp.

Constructor & Destructor Documentation

◆ OpFluxRhs()

Example::OpFluxRhs::OpFluxRhs ( )

Definition at line 109 of file radiation.cpp.

109 : OpBase("T", "T", OpBase::OPROW) {}
OpBaseImpl< PETSC, EdgeEleOp > OpBase
Definition: radiation.cpp:41

Member Function Documentation

◆ iNtegrate()

MoFEMErrorCode Example::OpFluxRhs::iNtegrate ( EntData row_data)
virtual

[Radiation Lhs]

[Flux Rhs]

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

Definition at line 445 of file radiation.cpp.

445  {
447  // get element volume
448  const double vol = getMeasure();
449  // get integration weights
450  auto t_w = getFTensor0IntegrationWeight();
451  // get base function gradient on rows
452  auto t_row_base = row_data.getFTensor0N();
453  // get coordinate at integration points
454  auto t_coords = getFTensor1CoordsAtGaussPts();
455  // // get time
456  const double time = getFEMethod()->ts_t;
457 
458  // Look to https://doi.org/10.1016/j.icarus.2014.12.028s
459  constexpr double flux_p = -0.03e6;
460  constexpr double flux_c = -0.23e6;
461 
462  // loop over integration points
463  for (int gg = 0; gg != nbIntegrationPts; gg++) {
464 
465  // Cylinder radius
466  const double r_cylinder = t_coords(0);
467 
468  const double r = std::sqrt(t_coords(i) * t_coords(i));
469  const double s = std::abs(t_coords(1)) / r;
470 
471  // take into account Jacobean
472  const double alpha = t_w * vol * (2 * M_PI * r_cylinder);
473  // loop over rows base functions
474  for (int rr = 0; rr != nbRows; ++rr) {
475  locF[rr] += alpha * t_row_base * (s * flux_p + flux_c) * time;
476  ++t_row_base;
477  }
478  ++t_coords;
479  ++t_w; // move to another integration weight
480  }
481 
483 }
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
const double r
rate factor
FTensor::Index< 'i', 2 > i
summit Index
Definition: radiation.cpp:106
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

◆ i

FTensor::Index<'i', 2> Example::OpFluxRhs::i
private

summit Index

Definition at line 106 of file radiation.cpp.


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