v0.14.0
Public Member Functions | Private Attributes | List of all members
NonlinearPoissonOps::OpDomainRhs Struct Reference

#include <tutorials/scl-4/src/nonlinear_poisson_2d.hpp>

Inheritance diagram for NonlinearPoissonOps::OpDomainRhs:
[legend]
Collaboration diagram for NonlinearPoissonOps::OpDomainRhs:
[legend]

Public Member Functions

 OpDomainRhs (std::string field_name, ScalarFunc source_term_function, boost::shared_ptr< VectorDouble > field_vec, boost::shared_ptr< MatrixDouble > field_grad_mat)
 
MoFEMErrorCode iNtegrate (EntData &data)
 Class dedicated to integrate 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

ScalarFunc sourceTermFunc
 
boost::shared_ptr< VectorDouble > fieldVec
 
boost::shared_ptr< MatrixDouble > fieldGradMat
 

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 iNtegrate (EntData &row_data, EntData &col_data)
 Integrate grad-grad operator. More...
 
virtual MoFEMErrorCode aSsemble (EntData &row_data, EntData &col_data, const bool trans)
 
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

Definition at line 119 of file nonlinear_poisson_2d.hpp.

Constructor & Destructor Documentation

◆ OpDomainRhs()

NonlinearPoissonOps::OpDomainRhs::OpDomainRhs ( std::string  field_name,
ScalarFunc  source_term_function,
boost::shared_ptr< VectorDouble >  field_vec,
boost::shared_ptr< MatrixDouble >  field_grad_mat 
)
inline

Definition at line 121 of file nonlinear_poisson_2d.hpp.

125  : AssemblyDomainEleOp(field_name, field_name, AssemblyDomainEleOp::OPROW),
126  sourceTermFunc(source_term_function), fieldVec(field_vec),
127  fieldGradMat(field_grad_mat) {}

Member Function Documentation

◆ iNtegrate()

MoFEMErrorCode NonlinearPoissonOps::OpDomainRhs::iNtegrate ( EntData data)
inlinevirtual

Class dedicated to integrate operator.

Parameters
dataentity data on element row
Returns
error code

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

Definition at line 129 of file nonlinear_poisson_2d.hpp.

129  {
131 
132  auto &nf = AssemblyDomainEleOp::locF;
133 
134 
135  // get element area
136  const double area = getMeasure();
137 
138  // get number of integration points
139  const int nb_integration_points = getGaussPts().size2();
140  // get integration weights
141  auto t_w = getFTensor0IntegrationWeight();
142  // get coordinates of the integration point
143  auto t_coords = getFTensor1CoordsAtGaussPts();
144  // get solution (field value) at integration point
145  auto t_field = getFTensor0FromVec(*fieldVec);
146  // get gradient of field value of integration point
147  auto t_field_grad = getFTensor1FromMat<2>(*fieldGradMat);
148 
149  // get base function
150  auto t_base = data.getFTensor0N();
151  // get derivatives of base function
152  auto t_grad_base = data.getFTensor1DiffN<2>();
153 
154  // START THE LOOP OVER INTEGRATION POINTS TO CALCULATE LOCAL VECTOR
155  for (int gg = 0; gg != nb_integration_points; gg++) {
156  const double a = t_w * area;
157  double body_source =
158  sourceTermFunc(t_coords(0), t_coords(1), t_coords(2));
159 
160  // calculate the local vector
161  for (int rr = 0; rr != AssemblyDomainEleOp::nbRows; rr++) {
162  nf[rr] +=
163  (-t_base * body_source +
164  t_grad_base(i) * t_field_grad(i) * (1 + t_field * t_field)) *
165  a;
166 
167  // move to the next base function
168  ++t_base;
169  // move to the derivatives of the next base function
170  ++t_grad_base;
171  }
172 
173  // move to the weight of the next integration point
174  ++t_w;
175  // move to the coordinates of the next integration point
176  ++t_coords;
177  // move to the solution (field value) at the next integration point
178  ++t_field;
179  // move to the gradient of field value at the next integration point
180  ++t_field_grad;
181 
182  }
183 
185  }

Member Data Documentation

◆ fieldGradMat

boost::shared_ptr<MatrixDouble> NonlinearPoissonOps::OpDomainRhs::fieldGradMat
private

Definition at line 190 of file nonlinear_poisson_2d.hpp.

◆ fieldVec

boost::shared_ptr<VectorDouble> NonlinearPoissonOps::OpDomainRhs::fieldVec
private

Definition at line 189 of file nonlinear_poisson_2d.hpp.

◆ sourceTermFunc

ScalarFunc NonlinearPoissonOps::OpDomainRhs::sourceTermFunc
private

Definition at line 188 of file nonlinear_poisson_2d.hpp.


The documentation for this struct was generated from the following file:
NonlinearPoissonOps::OpDomainRhs::fieldGradMat
boost::shared_ptr< MatrixDouble > fieldGradMat
Definition: nonlinear_poisson_2d.hpp:190
MoFEM::EntitiesFieldData::EntData::getFTensor0N
FTensor::Tensor0< FTensor::PackPtr< double *, 1 > > getFTensor0N(const FieldApproximationBase base)
Get base function as Tensor0.
Definition: EntitiesFieldData.hpp:1502
MoFEM::OpBaseImpl::locF
VectorDouble locF
local entity vector
Definition: FormsIntegrators.hpp:251
a
constexpr double a
Definition: approx_sphere.cpp:30
MoFEM::getFTensor0FromVec
static auto getFTensor0FromVec(ublas::vector< T, A > &data)
Get tensor rank 0 (scalar) form data vector.
Definition: Templates.hpp:135
NonlinearPoissonOps::i
FTensor::Index< 'i', 2 > i
Definition: nonlinear_poisson_2d.hpp:33
NonlinearPoissonOps::OpDomainRhs::fieldVec
boost::shared_ptr< VectorDouble > fieldVec
Definition: nonlinear_poisson_2d.hpp:189
field_name
constexpr auto field_name
Definition: poisson_2d_homogeneous.cpp:13
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:236
NonlinearPoissonOps::OpDomainRhs::sourceTermFunc
ScalarFunc sourceTermFunc
Definition: nonlinear_poisson_2d.hpp:188
MoFEMFunctionReturn
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
Definition: definitions.h:429
AssemblyDomainEleOp
FormsIntegrators< DomainEleOp >::Assembly< PETSC >::OpBase AssemblyDomainEleOp
Definition: nonlinear_poisson_2d.hpp:24
MoFEMFunctionBegin
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
Definition: definitions.h:359