OpULhs_dU Struct Reference

Inheritance diagram for OpULhs_dU:

Collaboration diagram for OpULhs_dU:

Public Member Functions
	OpULhs_dU (const std::string field_name_row, const std::string field_name_col, boost::shared_ptr< MatrixDouble > u_ptr, boost::shared_ptr< MatrixDouble > grad_u_ptr)
MoFEMErrorCode	iNtegrate (EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data)
	Integrate grad-grad operator.
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)
	Constructor for base operator implementation.
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< MatrixDouble >	uPtr
boost::shared_ptr< MatrixDouble >	uGradPtr

Additional Inherited Members
Public Types inherited from MoFEM::OpBaseImpl< A, EleOp >
using	OpType = typename EleOp::OpType
using	EntData = EntitiesFieldData::EntData
using	MatSetValuesHook = boost::function< MoFEMErrorCode(ForcesAndSourcesCore::UserDataOperator *op_ptr, const EntitiesFieldData::EntData &row_data, const EntitiesFieldData::EntData &col_data, MatrixDouble &m)>
Public Attributes inherited from MoFEM::OpBaseImpl< A, EleOp >
TimeFun	timeScalingFun
	assumes that time variable is set
FEFun	feScalingFun
	set by fe entity handle
boost::shared_ptr< Range >	entsPtr
	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>
auto	getNf ()
	Get local vector tensor for assembly.
template<int ROW_DIM, int COL_DIM = ROW_DIM>
FTensor::Tensor2< FTensor::PackPtr< double *, COL_DIM >, ROW_DIM, COL_DIM >	getLocMat (const int rr)
	Get local matrix tensor for assembly.
virtual MoFEMErrorCode	aSsemble (EntData &row_data, EntData &col_data, const bool trans)
	Assemble local matrix into global matrix.
virtual MoFEMErrorCode	iNtegrate (EntData &)
	Class dedicated to integrate operator.
virtual MoFEMErrorCode	aSsemble (EntData &data)
	Assemble local vector into global vector.
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

Examples

mofem/tutorials/vec-4_shallow_wave/shallow_wave.cpp.

Definition at line 168 of file shallow_wave.cpp.

Constructor & Destructor Documentation

OpULhs_dU()

OpULhs_dU::OpULhs_dU ( const std::string  field_name_row, const std::string  field_name_col, boost::shared_ptr< MatrixDouble >  u_ptr, boost::shared_ptr< MatrixDouble >  grad_u_ptr  )

inline

Definition at line 170 of file shallow_wave.cpp.

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

Member Function Documentation

iNtegrate()

MoFEMErrorCode OpULhs_dU::iNtegrate ( EntitiesFieldData::EntData &  , EntitiesFieldData::EntData &    )

inlinevirtual

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 >.

Examples

mofem/tutorials/vec-4_shallow_wave/shallow_wave.cpp.

Definition at line 179 of file shallow_wave.cpp.

                                                               {
    MoFEMFunctionBegin;
 
    const double vol = getMeasure();
    auto t_w = getFTensor0IntegrationWeight();
    auto t_row_base = row_data.getFTensor0N();
    auto t_row_diff_base = row_data.getFTensor1DiffN<3>();
    auto t_coords = getFTensor1CoordsAtGaussPts();
    auto t_normal = getFTensor1NormalsAtGaussPts();
 
    auto t_u = getFTensor1FromMat<3>(*uPtr);
    auto t_grad_u = getFTensor2FromMat<3, 3>(*uGradPtr);
 
    auto get_t_mat = [&](const int rr) {
      return FTensor::Tensor2<FTensor::PackPtr<double *, 3>, 3, 3>{
          &locMat(rr + 0, 0), &locMat(rr + 0, 1), &locMat(rr + 0, 2),
 
          &locMat(rr + 1, 0), &locMat(rr + 1, 1), &locMat(rr + 1, 2),
 
          &locMat(rr + 2, 0), &locMat(rr + 2, 1), &locMat(rr + 2, 2)};
    };
 
    const auto ts_a = getFEMethod()->ts_a;
 
    for (int gg = 0; gg != nbIntegrationPts; gg++) {
 
      const auto a = std::sqrt(t_coords(i) * t_coords(i));
      const auto sin_fi = t_coords(2) / a;
      const auto f = 2 * omega * sin_fi;
 
      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);
 
      FTensor::Tensor2<double, 3, 3> t_A;
      t_A(i, m) = levi_civita(i, j, m) * t_r(j);
 
      FTensor::Tensor2<double, 3, 3> t_rhs_du;
      t_rhs_du(m, j) =
          t_Q(m, i) * (ts_a * t_kd(i, j) + t_grad_u(i, j) + f * t_A(i, j)) +
          t_P(m, j);
 
      const double alpha = t_w * vol;
 
      int rr = 0;
      for (; rr != nbRows / 3; rr++) {
 
        auto t_col_base = col_data.getFTensor0N(gg, 0);
        auto t_col_diff_base = col_data.getFTensor1DiffN<3>(gg, 0);
        auto t_mat = get_t_mat(3 * rr);
 
        for (int cc = 0; cc != nbCols / 3; cc++) {
          t_mat(i, j) += (alpha * t_row_base * t_col_base) * t_rhs_du(i, j);
          t_mat(i, j) += (alpha * mu) * t_Q(i, j) *
                         (t_row_diff_base(m) * t_col_diff_base(m));
          ++t_col_diff_base;
          ++t_col_base;
          ++t_mat;
        }
        ++t_row_base;
        ++t_row_diff_base;
      }
      for (; rr < nbRowBaseFunctions; ++rr) {
        ++t_row_base;
        ++t_row_diff_base;
      }
 
      ++t_w;
      ++t_coords;
      ++t_normal;
      ++t_u;
      ++t_grad_u;
    }
 
    MoFEMFunctionReturn(0);
  }

Member Data Documentation

uGradPtr

boost::shared_ptr<MatrixDouble> OpULhs_dU::uGradPtr

private

Examples

mofem/tutorials/vec-4_shallow_wave/shallow_wave.cpp.

Definition at line 264 of file shallow_wave.cpp.

uPtr

boost::shared_ptr<MatrixDouble> OpULhs_dU::uPtr

private

Examples

mofem/tutorials/vec-4_shallow_wave/shallow_wave.cpp.

Definition at line 263 of file shallow_wave.cpp.

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

• tutorials/vec-4_shallow_wave/shallow_wave.cpp