v0.16.3
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Public Member Functions | Private Attributes | List of all members
OpURhs Struct Reference
Inheritance diagram for OpURhs:
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Collaboration diagram for OpURhs:
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Public Member Functions

 OpURhs (const std::string field_name, boost::shared_ptr< MatrixDouble > u_ptr, boost::shared_ptr< MatrixDouble > u_dot_ptr, boost::shared_ptr< MatrixDouble > grad_u_ptr, boost::shared_ptr< MatrixDouble > grad_h_ptr)
 
MoFEMErrorCode iNtegrate (EntitiesFieldData::EntData &row_data)
 Class dedicated to integrate 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 > uPtr
 
boost::shared_ptr< MatrixDouble > uDotPtr
 
boost::shared_ptr< MatrixDouble > uGradPtr
 
boost::shared_ptr< MatrixDouble > hGradPtr
 

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 iNtegrate (EntData &, EntData &)
 Integrate grad-grad operator.
 
virtual MoFEMErrorCode aSsemble (EntData &row_data, EntData &col_data, const bool trans)
 Assemble local matrix into global matrix.
 
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/shallow_wave.cpp.

Definition at line 82 of file shallow_wave.cpp.

Constructor & Destructor Documentation

◆ OpURhs()

OpURhs::OpURhs ( const std::string  field_name,
boost::shared_ptr< MatrixDouble >  u_ptr,
boost::shared_ptr< MatrixDouble >  u_dot_ptr,
boost::shared_ptr< MatrixDouble >  grad_u_ptr,
boost::shared_ptr< MatrixDouble >  grad_h_ptr 
)
inline

Definition at line 84 of file shallow_wave.cpp.

88 : AssemblyDomainEleOp(field_name, field_name, AssemblyDomainEleOp::OPROW),
89 uPtr(u_ptr), uDotPtr(u_dot_ptr), uGradPtr(grad_u_ptr),
90 hGradPtr(grad_h_ptr) {}
constexpr auto field_name
FormsIntegrators< DomainEleOp >::Assembly< PETSC >::OpBase AssemblyDomainEleOp
boost::shared_ptr< MatrixDouble > uDotPtr
boost::shared_ptr< MatrixDouble > uGradPtr
boost::shared_ptr< MatrixDouble > hGradPtr
boost::shared_ptr< MatrixDouble > uPtr

Member Function Documentation

◆ iNtegrate()

MoFEMErrorCode OpURhs::iNtegrate ( EntitiesFieldData::EntData &  )
inlinevirtual

Class dedicated to integrate operator.

Parameters
dataentity data on element row
Returns
error code

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

Examples
mofem/tutorials/vec-4_shallow_wave/shallow_wave.cpp.

Definition at line 92 of file shallow_wave.cpp.

92 {
94
95 const double vol = getMeasure();
96 auto t_w = getFTensor0IntegrationWeight();
97 auto t_row_base = row_data.getFTensor0N();
98 auto t_row_diff_base = row_data.getFTensor1DiffN<3>();
99 auto t_dot_u = getFTensor1FromMat<3>(*uDotPtr);
100 auto t_u = getFTensor1FromMat<3>(*uPtr);
101 auto t_grad_u = getFTensor2FromMat<3, 3>(*uGradPtr);
102 auto t_grad_h = getFTensor1FromMat<3>(*hGradPtr);
103 auto t_coords = getFTensor1CoordsAtGaussPts();
104 auto t_normal = getFTensor1NormalsAtGaussPts();
105
106 for (int gg = 0; gg != nbIntegrationPts; gg++) {
107
108 const double alpha = t_w * vol;
109 auto t_nf = getFTensor1FromArray<3, 3>(locF);
110
113
114 const auto a = std::sqrt(t_coords(i) * t_coords(i));
115 const auto sin_fi = t_coords(2) / a;
116 const auto f = 2 * omega * sin_fi;
117
119 t_r(i) = t_normal(i);
120 t_r.normalize();
121
122 constexpr auto t_kd = FTensor::Kronecker_Delta<double>();
124 t_P(i, j) = t_r(i) * t_r(j);
125 t_Q(i, j) = t_kd(i, j) - t_P(i, j);
126
128 t_A(i, m) = levi_civita(i, j, m) * t_r(j);
129
130 t_rhs(m) = t_Q(m, i) * (t_dot_u(i) + t_grad_u(i, j) * t_u(j) +
131 f * t_A(i, j) * t_u(j) + g * t_grad_h(i));
132 t_rhs_grad(m, j) = t_Q(m, i) * (mu * t_grad_u(i, j));
133
134 t_rhs(m) += t_P(m, j) * t_u(j);
135
136 int rr = 0;
137 for (; rr != nbRows / 3; ++rr) {
138 t_nf(i) += alpha * t_row_base * t_rhs(i);
139 t_nf(i) += alpha * t_row_diff_base(j) * t_rhs_grad(i, j);
140 ++t_row_base;
141 ++t_row_diff_base;
142 ++t_nf;
143 }
144 for (; rr < nbRowBaseFunctions; ++rr) {
145 ++t_row_base;
146 ++t_row_diff_base;
147 }
148
149 ++t_w;
150 ++t_u;
151 ++t_dot_u;
152 ++t_grad_u;
153 ++t_grad_h;
154 ++t_coords;
155 ++t_normal;
156 }
157
159 }
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 ...
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
constexpr auto t_kd
constexpr std::enable_if<(Dim0<=2 &&Dim1<=2), Tensor2_Expr< Levi_Civita< T >, T, Dim0, Dim1, i, j > >::type levi_civita(const Index< i, Dim0 > &, const Index< j, Dim1 > &)
levi_civita functions to make for easy adhoc use
constexpr double mu
FTensor::Index< 'j', 3 > j
constexpr double omega
FTensor::Index< 'i', 3 > i
constexpr double g
FTensor::Index< 'm', 3 > m
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

◆ hGradPtr

boost::shared_ptr<MatrixDouble> OpURhs::hGradPtr
private

◆ uDotPtr

boost::shared_ptr<MatrixDouble> OpURhs::uDotPtr
private

◆ uGradPtr

boost::shared_ptr<MatrixDouble> OpURhs::uGradPtr
private

◆ uPtr

boost::shared_ptr<MatrixDouble> OpURhs::uPtr
private

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