Example::OpRadiationRhs Struct Reference

Inheritance diagram for Example::OpRadiationRhs:

Collaboration diagram for Example::OpRadiationRhs:

Public Member Functions
	OpRadiationRhs (boost::shared_ptr< VectorDouble > &approx_vals)
MoFEMErrorCode	iNtegrate (EntData &row_data)
	[Radiation Lhs] More...
Public Member Functions inherited from OpTools< EleOp >::OpBase
	OpBase (const std::string row_field_name, const std::string col_field_name, const typename EleOp::OpType type, boost::shared_ptr< std::vector< bool >> boundary_marker=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
FTensor::Index< 'i', 2 >	i
	summit Index More...

Additional Inherited Members
Protected Member Functions inherited from OpTools< EleOp >::OpBase
MoFEMErrorCode	applyBoundaryMarker (EntData &data)
virtual MoFEMErrorCode	iNtegrate (EntData &row_data, EntData &col_data)
	Integrate grad-grad operator. More...
virtual MoFEMErrorCode	aSsemble (EntData &row_data, EntData &col_data)
	Assemble local entity block matrix. More...
virtual MoFEMErrorCode	aSsemble (EntData &data)
	Class dedicated to assemble operator to global system vector. More...
Protected Attributes inherited from OpTools< EleOp >::OpBase
boost::shared_ptr< std::vector< bool > >	boundaryMarker
int	nbRows
	number of dofs on rows More...
int	nbCols
	number if dof on column More...
int	nbIntegrationPts
	number of integration points More...
MatrixDouble	locMat
	local entity block matrix More...
VectorDouble	locF
	local entity vector More...

Detailed Description

Definition at line 87 of file lesson6_radiation.cpp.

Constructor & Destructor Documentation

OpRadiationRhs()

Example::OpRadiationRhs::OpRadiationRhs

(

boost::shared_ptr< VectorDouble > &

approx_vals

)

Definition at line 94 of file lesson6_radiation.cpp.

        : OpFaceBase("U", "U", OpFaceBase::OPROW), approxVals(approx_vals) {}

Member Function Documentation

iNtegrate()

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

virtual

[Radiation Lhs]

[Radiation Lhs]

Reimplemented from OpTools< EleOp >::OpBase.

Examples

lesson6_radiation.cpp.

Definition at line 337 of file lesson6_radiation.cpp.

                                                                 {
  MoFEMFunctionBegin;
  // get element volume
  const double vol = OpFaceBase::getMeasure();
  // get integration weights
  auto t_w = OpFaceBase::getFTensor0IntegrationWeight();
  // get base function gradient on rows
  auto t_row_base = row_data.getFTensor0N();
  // gat temperature at integration points
  auto t_val = getFTensor0FromVec(*(approxVals));
  // get coordinate at integration points
  auto t_coords = OpFaceBase::getFTensor1CoordsAtGaussPts();

  // loop over integration points
  for (int gg = 0; gg != OpFaceBase::nbIntegrationPts; gg++) {

    // Cylinder radius
    const double r_cylinder = t_coords(0);

    // take into account Jacobean
    const double alpha = t_w * vol * Beta * (2 * M_PI * r_cylinder);
    // loop over rows base functions
    for (int rr = 0; rr != OpFaceBase::nbRows; ++rr) {
      if (std::abs(t_coords(0)) > std::numeric_limits<double>::epsilon()) {
        OpFaceBase::locF[rr] +=
            alpha * t_row_base * (pow(t_val, 4) - pow(T_ambient, 4));
      }
      ++t_row_base;
    }
    ++t_coords;
    ++t_val;
    ++t_w; // move to another integration weight
  }

  MoFEMFunctionReturn(0);
}

Member Data Documentation

approxVals

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

private

Definition at line 90 of file lesson6_radiation.cpp.

i

FTensor::Index<'i', 2> Example::OpRadiationRhs::i

private

summit Index

Definition at line 91 of file lesson6_radiation.cpp.

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

• users_modules/basic_finite_elements/lessons/lesson6_radiation.cpp