v0.14.0
Public Member Functions | Private Attributes | List of all members
OpULhs_dU Struct Reference
Inheritance diagram for OpULhs_dU:
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Collaboration diagram for OpULhs_dU:
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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. 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, boost::shared_ptr< Range > ents_ptr=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< 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 More...
 
FEFun feScalingFun
 assumes that time variable is set More...
 
boost::shared_ptr< RangeentsPtr
 Entities on which element is run. More...
 
- Static Public Attributes inherited from MoFEM::OpBaseImpl< A, EleOp >
static MatSetValuesHook matSetValuesHook
 
- 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)
 
virtual MoFEMErrorCode iNtegrate (EntData &data)
 Class dedicated to integrate operator. More...
 
virtual MoFEMErrorCode aSsemble (EntData &data)
 
virtual size_t getNbOfBaseFunctions (EntitiesFieldData::EntData &data)
 Get number of base functions. More...
 
- 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 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.

173  : AssemblyDomainEleOp(field_name_row, field_name_col,
174  AssemblyDomainEleOp::OPROWCOL),
175  uPtr(u_ptr), uGradPtr(grad_u_ptr) {
176  this->sYmm = false;
177  }

Member Function Documentation

◆ iNtegrate()

MoFEMErrorCode OpULhs_dU::iNtegrate ( EntitiesFieldData::EntData row_data,
EntitiesFieldData::EntData col_data 
)
inlinevirtual

Integrate grad-grad operator.

Parameters
row_datarow data (consist base functions on row entity)
col_datacolumn data (consist base functions on column entity)
Returns
error code

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

Definition at line 179 of file shallow_wave.cpp.

180  {
182 
183  const double vol = getMeasure();
184  auto t_w = getFTensor0IntegrationWeight();
185  auto t_row_base = row_data.getFTensor0N();
186  auto t_row_diff_base = row_data.getFTensor1DiffN<3>();
187  auto t_coords = getFTensor1CoordsAtGaussPts();
188  auto t_normal = getFTensor1NormalsAtGaussPts();
189 
190  auto t_u = getFTensor1FromMat<3>(*uPtr);
191  auto t_grad_u = getFTensor2FromMat<3, 3>(*uGradPtr);
192 
193  auto get_t_mat = [&](const int rr) {
195  &locMat(rr + 0, 0), &locMat(rr + 0, 1), &locMat(rr + 0, 2),
196 
197  &locMat(rr + 1, 0), &locMat(rr + 1, 1), &locMat(rr + 1, 2),
198 
199  &locMat(rr + 2, 0), &locMat(rr + 2, 1), &locMat(rr + 2, 2)};
200  };
201 
202  const auto ts_a = getFEMethod()->ts_a;
203 
204  for (int gg = 0; gg != nbIntegrationPts; gg++) {
205 
206  const auto a = std::sqrt(t_coords(i) * t_coords(i));
207  const auto sin_fi = t_coords(2) / a;
208  const auto f = 2 * omega * sin_fi;
209 
211  t_r(i) = t_normal(i);
212  t_r.normalize();
213 
214  constexpr auto t_kd = FTensor::Kronecker_Delta<double>();
216  t_P(i, j) = t_r(i) * t_r(j);
217  t_Q(i, j) = t_kd(i, j) - t_P(i, j);
218 
220  t_A(i, m) = levi_civita(i, j, m) * t_r(j);
221 
223  t_rhs_du(m, j) =
224  t_Q(m, i) * (ts_a * t_kd(i, j) + t_grad_u(i, j) + f * t_A(i, j)) +
225  t_P(m, j);
226 
227  const double alpha = t_w * vol;
228 
229  int rr = 0;
230  for (; rr != nbRows / 3; rr++) {
231 
232  auto t_col_base = col_data.getFTensor0N(gg, 0);
233  auto t_col_diff_base = col_data.getFTensor1DiffN<3>(gg, 0);
234  auto t_mat = get_t_mat(3 * rr);
235 
236  for (int cc = 0; cc != nbCols / 3; cc++) {
237  t_mat(i, j) += (alpha * t_row_base * t_col_base) * t_rhs_du(i, j);
238  t_mat(i, j) += (alpha * mu) * t_Q(i, j) *
239  (t_row_diff_base(m) * t_col_diff_base(m));
240  ++t_col_diff_base;
241  ++t_col_base;
242  ++t_mat;
243  }
244  ++t_row_base;
245  ++t_row_diff_base;
246  }
247  for (; rr < nbRowBaseFunctions; ++rr) {
248  ++t_row_base;
249  ++t_row_diff_base;
250  }
251 
252  ++t_w;
253  ++t_coords;
254  ++t_normal;
255  ++t_u;
256  ++t_grad_u;
257  }
258 
260  }

Member Data Documentation

◆ uGradPtr

boost::shared_ptr<MatrixDouble> OpULhs_dU::uGradPtr
private

Definition at line 264 of file shallow_wave.cpp.

◆ uPtr

boost::shared_ptr<MatrixDouble> OpULhs_dU::uPtr
private

Definition at line 263 of file shallow_wave.cpp.


The documentation for this struct was generated from the following file:
MoFEM::OpBaseImpl::nbIntegrationPts
int nbIntegrationPts
number of integration points
Definition: FormsIntegrators.hpp:236
MoFEM::OpBaseImpl::locMat
MatrixDouble locMat
local entity block matrix
Definition: FormsIntegrators.hpp:247
FTensor::Tensor1< double, 3 >
FTensor::Kronecker_Delta
Kronecker Delta class.
Definition: Kronecker_Delta.hpp:15
i
FTensor::Index< 'i', 3 > i
Definition: shallow_wave.cpp:77
FTensor::levi_civita
constexpr std::enable_if<(Dim0<=2 &&Dim1<=2), Tensor2_Expr< Levi_Civita< T >, T, Dim0, Dim1, i, j > >::type levi_civita(const Index< i, Dim0 > &, const Index< j, Dim1 > &)
levi_civita functions to make for easy adhoc use
Definition: Levi_Civita.hpp:617
FTensor::Tensor2
Definition: Tensor2_value.hpp:16
MoFEM::EntitiesFieldData::EntData::getFTensor0N
FTensor::Tensor0< FTensor::PackPtr< double *, 1 > > getFTensor0N(const FieldApproximationBase base)
Get base function as Tensor0.
Definition: EntitiesFieldData.hpp:1489
a
constexpr double a
Definition: approx_sphere.cpp:30
j
FTensor::Index< 'j', 3 > j
Definition: shallow_wave.cpp:78
t_kd
constexpr auto t_kd
Definition: free_surface.cpp:137
FTensor::Tensor1::normalize
Tensor1< T, Tensor_Dim > normalize()
Definition: Tensor1_value.hpp:77
MoFEM::OpBaseImpl::nbRowBaseFunctions
int nbRowBaseFunctions
number or row base functions
Definition: FormsIntegrators.hpp:237
MoFEM::OpBaseImpl::nbCols
int nbCols
number if dof on column
Definition: FormsIntegrators.hpp:235
MoFEM::EntitiesFieldData::EntData::getFTensor1DiffN
FTensor::Tensor1< FTensor::PackPtr< double *, Tensor_Dim >, Tensor_Dim > getFTensor1DiffN(const FieldApproximationBase base)
Get derivatives of base functions.
Definition: EntitiesFieldData.cpp:526
MoFEM::OpBaseImpl::nbRows
int nbRows
number of dofs on rows
Definition: FormsIntegrators.hpp:234
HenckyOps::f
auto f
Definition: HenckyOps.hpp:15
OpULhs_dU::uGradPtr
boost::shared_ptr< MatrixDouble > uGradPtr
Definition: shallow_wave.cpp:264
AssemblyDomainEleOp
FormsIntegrators< DomainEleOp >::Assembly< PETSC >::OpBase AssemblyDomainEleOp
Definition: shallow_wave.cpp:32
m
FTensor::Index< 'm', 3 > m
Definition: shallow_wave.cpp:80
omega
constexpr double omega
Definition: shallow_wave.cpp:62
MoFEMFunctionReturn
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
Definition: definitions.h:416
OpULhs_dU::uPtr
boost::shared_ptr< MatrixDouble > uPtr
Definition: shallow_wave.cpp:263
MoFEMFunctionBegin
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
Definition: definitions.h:346
mu
constexpr double mu
Definition: shallow_wave.cpp:64