OpULhs_dH Struct Reference

Inheritance diagram for OpULhs_dH:

Collaboration diagram for OpULhs_dH:

Public Member Functions
	OpULhs_dH (const std::string field_name_row, const std::string field_name_col)
MoFEMErrorCode	iNtegrate (EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data)
	Integrate grad-grad operator. 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...

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	aSsemble (EntData &row_data, EntData &col_data, const bool trans)=0
virtual MoFEMErrorCode	iNtegrate (EntData &data)
	Class dedicated to integrate operator. More...
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

Examples

shallow_wave.cpp.

Definition at line 282 of file shallow_wave.cpp.

Constructor & Destructor Documentation

OpULhs_dH()

OpULhs_dH::OpULhs_dH	(	const std::string	field_name_row,
		const std::string	field_name_col
	)

Definition at line 284 of file shallow_wave.cpp.

      : AssemblyDomainEleOp(field_name_row, field_name_col,
                            AssemblyDomainEleOp::OPROWCOL) {
    this->sYmm = false;
  }

Member Function Documentation

iNtegrate()

MoFEMErrorCode OpULhs_dH::iNtegrate ( EntitiesFieldData::EntData &  row_data, EntitiesFieldData::EntData &  col_data  )

virtual

Integrate grad-grad operator.

Parameters

row_data	row data (consist base functions on row entity)
col_data	column data (consist base functions on column entity)

Returns

error code

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

Definition at line 290 of file shallow_wave.cpp.

                                                               {
    MoFEMFunctionBegin;
 
    // get element volume
    const double vol = getMeasure();
    // get integration weights
    auto t_w = getFTensor0IntegrationWeight();
    // get base function gradient on rows
    auto t_row_base = row_data.getFTensor0N();
    // normal
    auto t_normal = getFTensor1NormalsAtGaussPts();
 
    auto get_t_vec = [&](const int rr) {
      return FTensor::Tensor1<FTensor::PackPtr<double *, 1>, 3>{
          &locMat(rr + 0, 0),
 
          &locMat(rr + 1, 0),
 
          &locMat(rr + 2, 0)};
    };
 
    // loop over integration points
    for (int gg = 0; gg != nbIntegrationPts; gg++) {
 
      FTensor::Tensor1<double, 3> t_r;
      t_r(i) = t_normal(i);
      t_r.normalize();
 
      constexpr auto t_kd = FTensor::Kronecker_Delta<double>();
      FTensor::Tensor2<double, 3, 3> t_P, t_Q;
      t_P(i, j) = t_r(i) * t_r(j);
      t_Q(i, j) = t_kd(i, j) - t_P(i, j);
 
      const double alpha = t_w * vol;
 
      int rr = 0;
      for (; rr != nbRows / 3; rr++) {
        auto t_vec = get_t_vec(3 * rr);
        auto t_col_diff_base = col_data.getFTensor1DiffN<3>(gg, 0);
        const double a = alpha * g * t_row_base;
 
        for (int cc = 0; cc != nbCols; cc++) {
          t_vec(i) += a * (t_Q(i, m) * t_col_diff_base(m));
          ++t_vec;
          ++t_col_diff_base;
        }
 
        ++t_row_base;
      }
 
      for (; rr < nbRowBaseFunctions; ++rr)
        ++t_row_base;
 
      ++t_w;
      ++t_normal;
    }
 
    MoFEMFunctionReturn(0);
  }

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

• users_modules/tutorials/vec-4/shallow_wave.cpp