v0.16.3
Loading...
Searching...
No Matches
Public Member Functions | Private Attributes | List of all members
OpLhs Struct Reference
Inheritance diagram for OpLhs:
[legend]
Collaboration diagram for OpLhs:
[legend]

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.
 
- 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 > 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
 
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/approx_sphere.cpp, and mofem/users_modules/adolc-plasticity/src/ADOLCPlasticity.hpp.

Definition at line 132 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 134 of file approx_sphere.cpp.

137 AssemblyDomainEleOp::OPROWCOL),
138 xPtr(x_ptr), xDotPtr(dot_x_ptr) {
139 this->sYmm = false;
140 }
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 &  ,
EntitiesFieldData::EntData &   
)
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
mofem/tutorials/vec-4_shallow_wave/approx_sphere.cpp.

Definition at line 142 of file approx_sphere.cpp.

143 {
145
146 auto t_w = getFTensor0IntegrationWeight();
147 auto t_row_base = row_data.getFTensor0N();
148
149 auto t_x0 = getFTensor1CoordsAtGaussPts();
150 auto t_x = getFTensor1FromMat<3>(*xPtr);
151 auto t_normal = getFTensor1NormalsAtGaussPts();
152
153 auto get_t_mat = [&](const int rr) {
155 &locMat(rr + 0, 0), &locMat(rr + 0, 1), &locMat(rr + 0, 2),
156
157 &locMat(rr + 1, 0), &locMat(rr + 1, 1), &locMat(rr + 1, 2),
158
159 &locMat(rr + 2, 0), &locMat(rr + 2, 1), &locMat(rr + 2, 2)};
160 };
161
162 const double ts_a = getTSa();
163
164 for (int gg = 0; gg != nbIntegrationPts; gg++) {
165
166 constexpr auto t_kd = FTensor::Kronecker_Delta<double>();
167 FTensor::Tensor1<double, 3> t_n{t_x0(0), t_x0(1), t_x0(2)};
168 t_n.normalize();
170 t_P(i, j) = t_n(i) * t_n(j);
171 t_Q(i, j) = t_kd(i, j) - t_P(i, j);
172
173 auto t_J_lhs = lhs_J_dx2(t_x(0), t_x(1), t_x(2));
174 double l = std::sqrt(t_normal(i) * t_normal(i));
175
176 const double alpha = t_w;
178 t_lhs(i, j) =
179 (alpha * l) * (t_P(i, k) * t_J_lhs(k, j) + t_Q(i, j) * ts_a);
180
181 int rr = 0;
182 for (; rr != nbRows / 3; rr++) {
183
184 auto t_col_base = col_data.getFTensor0N(gg, 0);
185 auto t_mat = get_t_mat(3 * rr);
186
187 for (int cc = 0; cc != nbCols / 3; cc++) {
188
189 const double rc = t_row_base * t_col_base;
190 t_mat(i, j) += rc * t_lhs(i, j);
191
192 ++t_col_base;
193 ++t_mat;
194 }
195 ++t_row_base;
196 }
197
198 for (; rr < nbRowBaseFunctions; ++rr)
199 ++t_row_base;
200
201 ++t_w;
202 ++t_x;
203 ++t_x0;
204 ++t_normal;
205 }
206
208 }
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 ...
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
constexpr auto t_kd
FTensor::Index< 'l', 3 > l
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

◆ xPtr

boost::shared_ptr<MatrixDouble> OpLhs::xPtr
private

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