v0.13.1
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Public Member Functions | List of all members
OpULhs_dH Struct Reference
Inheritance diagram for OpULhs_dH:
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Collaboration diagram for OpULhs_dH:
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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, 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...
 

Additional Inherited Members

- Public Types inherited from MoFEM::OpBaseImpl< A, EleOp >
using OpType = typename EleOp::OpType
 
using EntData = EntitiesFieldData::EntData
 
- 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...
 
- 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 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 267 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 
)
inline

Definition at line 269 of file shallow_wave.cpp.

270 : AssemblyDomainEleOp(field_name_row, field_name_col,
271 AssemblyDomainEleOp::OPROWCOL) {
272 this->sYmm = false;
273 }
FormsIntegrators< DomainEleOp >::Assembly< PETSC >::OpBase AssemblyDomainEleOp

Member Function Documentation

◆ iNtegrate()

MoFEMErrorCode OpULhs_dH::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 >.

Examples
shallow_wave.cpp.

Definition at line 275 of file shallow_wave.cpp.

276 {
278
279 // get element volume
280 const double vol = getMeasure();
281 // get integration weights
282 auto t_w = getFTensor0IntegrationWeight();
283 // get base function gradient on rows
284 auto t_row_base = row_data.getFTensor0N();
285 // normal
286 auto t_normal = getFTensor1NormalsAtGaussPts();
287
288 auto get_t_vec = [&](const int rr) {
290 &locMat(rr + 0, 0),
291
292 &locMat(rr + 1, 0),
293
294 &locMat(rr + 2, 0)};
295 };
296
297 // loop over integration points
298 for (int gg = 0; gg != nbIntegrationPts; gg++) {
299
301 t_r(i) = t_normal(i);
302 t_r.normalize();
303
304 constexpr auto t_kd = FTensor::Kronecker_Delta<double>();
306 t_P(i, j) = t_r(i) * t_r(j);
307 t_Q(i, j) = t_kd(i, j) - t_P(i, j);
308
309 const double alpha = t_w * vol;
310
311 int rr = 0;
312 for (; rr != nbRows / 3; rr++) {
313 auto t_vec = get_t_vec(3 * rr);
314 auto t_col_diff_base = col_data.getFTensor1DiffN<3>(gg, 0);
315 const double a = alpha * g * t_row_base;
316
317 for (int cc = 0; cc != nbCols; cc++) {
318 t_vec(i) += a * (t_Q(i, m) * t_col_diff_base(m));
319 ++t_vec;
320 ++t_col_diff_base;
321 }
322
323 ++t_row_base;
324 }
325
326 for (; rr < nbRowBaseFunctions; ++rr)
327 ++t_row_base;
328
329 ++t_w;
330 ++t_normal;
331 }
332
334 }
constexpr double a
Kronecker Delta class.
Tensor1< T, Tensor_Dim > normalize()
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
Definition: definitions.h:346
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
Definition: definitions.h:416
constexpr auto t_kd
FTensor::Index< 'j', 3 > j
FTensor::Index< 'i', 3 > i
constexpr double g
FTensor::Index< 'm', 3 > m
FTensor::Tensor1< FTensor::PackPtr< double *, Tensor_Dim >, Tensor_Dim > getFTensor1DiffN(const FieldApproximationBase base)
Get derivatives of base functions.
FTensor::Tensor0< FTensor::PackPtr< double *, 1 > > getFTensor0N(const FieldApproximationBase base)
Get base function as Tensor0.
int nbRows
number of dofs on rows
int nbIntegrationPts
number of integration points
MatrixDouble locMat
local entity block matrix
int nbCols
number if dof on column
int nbRowBaseFunctions
number or row base functions

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