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

 OpRhs (const std::string field_name, boost::shared_ptr< MatrixDouble > x_ptr, boost::shared_ptr< MatrixDouble > dot_x_ptr)
 
MoFEMErrorCode iNtegrate (EntitiesFieldData::EntData &row_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

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, and heat_method.cpp.

Definition at line 68 of file approx_sphere.cpp.

Constructor & Destructor Documentation

◆ OpRhs()

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

Definition at line 70 of file approx_sphere.cpp.

72 : AssemblyDomainEleOp(field_name, field_name, AssemblyDomainEleOp::OPROW),
73 xPtr(x_ptr), xDotPtr(dot_x_ptr) {}
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 OpRhs::iNtegrate ( EntitiesFieldData::EntData data)
inlinevirtual

Class dedicated to integrate operator.

Parameters
dataentity data on element row
Returns
error code

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

Examples
approx_sphere.cpp.

Definition at line 75 of file approx_sphere.cpp.

75 {
77
78 auto t_w = getFTensor0IntegrationWeight();
79 auto t_row_base = row_data.getFTensor0N();
80
81 auto t_x0 = getFTensor1CoordsAtGaussPts();
82 auto t_x = getFTensor1FromMat<3>(*xPtr);
83 auto t_dot_x = getFTensor1FromMat<3>(*xDotPtr);
84 auto t_normal = getFTensor1NormalsAtGaussPts();
85
86 constexpr auto t_kd = FTensor::Kronecker_Delta<double>();
87
88 for (int gg = 0; gg != nbIntegrationPts; gg++) {
89
90 constexpr auto t_kd = FTensor::Kronecker_Delta<double>();
91 FTensor::Tensor1<double, 3> t_n{t_x0(0), t_x0(1), t_x0(2)};
92 t_n.normalize();
94 t_P(i, j) = t_n(i) * t_n(j);
95 t_Q(i, j) = t_kd(i, j) - t_P(i, j);
96
97 auto t_J_res = res_J_dx(t_x(0), t_x(1), t_x(2));
98
99 const double alpha = t_w;
100 auto t_nf = getFTensor1FromArray<3, 3>(locF);
101 double l = std::sqrt(t_normal(i) * t_normal(i));
102
104 t_res(i) =
105 alpha * l * ((t_P(i, k) * t_J_res(k) + t_Q(i, k) * t_dot_x(k)));
106
107 int rr = 0;
108 for (; rr != nbRows / 3; ++rr) {
109
110 t_nf(j) += t_row_base * t_res(j);
111
112 ++t_row_base;
113 ++t_nf;
114 }
115 for (; rr < nbRowBaseFunctions; ++rr) {
116 ++t_row_base;
117 }
118
119 ++t_w;
120 ++t_x;
121 ++t_dot_x;
122 ++t_x0;
123 ++t_normal;
124 }
125
127 }
FTensor::Index< 'j', 3 > j
FTensor::Index< 'i', 3 > i
auto res_J_dx
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
VectorDouble locF
local entity vector
int nbRows
number of dofs on rows
int nbIntegrationPts
number of integration points
int nbRowBaseFunctions
number or row base functions

Member Data Documentation

◆ xDotPtr

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

Definition at line 131 of file approx_sphere.cpp.

◆ xPtr

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

Definition at line 130 of file approx_sphere.cpp.


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