v0.13.1
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Public Member Functions | Private Attributes | List of all members
OpLhs Struct Reference
Inheritance diagram for OpLhs:
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Collaboration diagram for OpLhs:
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Public Member Functions

 OpLhs (const std::string field_name, boost::shared_ptr< MatrixDouble > x_ptr, boost::shared_ptr< MatrixDouble > dot_x_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 > xPtr
 
boost::shared_ptr< MatrixDouble > xDotPtr
 

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
approx_sphere.cpp.

Definition at line 134 of file approx_sphere.cpp.

Constructor & Destructor Documentation

◆ OpLhs()

OpLhs::OpLhs ( const std::string  field_name,
boost::shared_ptr< MatrixDouble >  x_ptr,
boost::shared_ptr< MatrixDouble >  dot_x_ptr 
)
inline

Definition at line 136 of file approx_sphere.cpp.

139 AssemblyDomainEleOp::OPROWCOL),
140 xPtr(x_ptr), xDotPtr(dot_x_ptr) {
141 this->sYmm = false;
142 }
FormsIntegrators< DomainEleOp >::Assembly< PETSC >::OpBase AssemblyDomainEleOp
constexpr auto field_name
boost::shared_ptr< MatrixDouble > xPtr
boost::shared_ptr< MatrixDouble > xDotPtr

Member Function Documentation

◆ iNtegrate()

MoFEMErrorCode OpLhs::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
approx_sphere.cpp.

Definition at line 144 of file approx_sphere.cpp.

145 {
147
148 auto t_w = getFTensor0IntegrationWeight();
149 auto t_row_base = row_data.getFTensor0N();
150
151 auto t_x0 = getFTensor1CoordsAtGaussPts();
152 auto t_x = getFTensor1FromMat<3>(*xPtr);
153 auto t_dot_x = getFTensor1FromMat<3>(*xDotPtr);
154 auto t_normal = getFTensor1NormalsAtGaussPts();
155
156 auto get_t_mat = [&](const int rr) {
158 &locMat(rr + 0, 0), &locMat(rr + 0, 1), &locMat(rr + 0, 2),
159
160 &locMat(rr + 1, 0), &locMat(rr + 1, 1), &locMat(rr + 1, 2),
161
162 &locMat(rr + 2, 0), &locMat(rr + 2, 1), &locMat(rr + 2, 2)};
163 };
164
165 constexpr auto t_kd = FTensor::Kronecker_Delta<double>();
166 const double ts_a = getTSa();
167
168 for (int gg = 0; gg != nbIntegrationPts; gg++) {
169
170 constexpr auto t_kd = FTensor::Kronecker_Delta<double>();
171 FTensor::Tensor1<double, 3> t_n{t_x0(0), t_x0(1), t_x0(2)};
172 t_n.normalize();
174 t_P(i, j) = t_n(i) * t_n(j);
175 t_Q(i, j) = t_kd(i, j) - t_P(i, j);
176
177 auto t_J_lhs = lhs_J_dx2(t_x(0), t_x(1), t_x(2));
178 double l = std::sqrt(t_normal(i) * t_normal(i));
179
180 const double alpha = t_w;
182 t_lhs(i, j) =
183 (alpha * l) * (t_P(i, k) * t_J_lhs(k, j) + t_Q(i, j) * ts_a);
184
185 int rr = 0;
186 for (; rr != nbRows / 3; rr++) {
187
188 auto t_col_base = col_data.getFTensor0N(gg, 0);
189 auto t_mat = get_t_mat(3 * rr);
190
191 for (int cc = 0; cc != nbCols / 3; cc++) {
192
193 const double rc = t_row_base * t_col_base;
194 t_mat(i, j) += rc * t_lhs(i, j);
195
196 ++t_col_base;
197 ++t_mat;
198 }
199 ++t_row_base;
200 }
201
202 for (; rr < nbRowBaseFunctions; ++rr)
203 ++t_row_base;
204
205 ++t_w;
206 ++t_x;
207 ++t_x0;
208 ++t_normal;
209 }
210
212 }
auto lhs_J_dx2
FTensor::Index< 'j', 3 > j
FTensor::Index< 'i', 3 > i
FTensor::Index< 'k', 3 > k
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< 'l', 3 > l
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

Member Data Documentation

◆ xDotPtr

boost::shared_ptr<MatrixDouble> OpLhs::xDotPtr
private
Examples
approx_sphere.cpp.

Definition at line 216 of file approx_sphere.cpp.

◆ xPtr

boost::shared_ptr<MatrixDouble> OpLhs::xPtr
private
Examples
approx_sphere.cpp.

Definition at line 215 of file approx_sphere.cpp.


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