v0.15.0
Loading...
Searching...
No Matches
OpURhs Struct Reference
Inheritance diagram for OpURhs:
[legend]
Collaboration diagram for OpURhs:
[legend]

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)
 

Private Attributes

boost::shared_ptr< MatrixDoubleuPtr
 
boost::shared_ptr< MatrixDoubleuDotPtr
 
boost::shared_ptr< MatrixDoubleuGradPtr
 
boost::shared_ptr< MatrixDoublehGradPtr
 

Detailed Description

Examples
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
Examples
shallow_wave.cpp.

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 & row_data)
inline
Examples
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
FTensor::Tensor1< FTensor::PackPtr< T *, S >, Tensor_Dim > getFTensor1FromMat(ublas::matrix< T, L, A > &data)
Get tensor rank 1 (vector) form data matrix.
FTensor::Tensor2< FTensor::PackPtr< double *, 1 >, Tensor_Dim1, Tensor_Dim2 > getFTensor2FromMat(MatrixDouble &data)
Get tensor rank 2 (matrix) form data matrix.
auto getFTensor1FromArray(VectorDouble &data)
Get FTensor1 from array.
constexpr double mu
FTensor::Index< 'j', 3 > j
constexpr double omega
FTensor::Index< 'i', 3 > i
constexpr double g
FTensor::Index< 'm', 3 > m
FTensor::Tensor1< FTensor::PackPtr< double *, Tensor_Dim >, Tensor_Dim > getFTensor1DiffN(const FieldApproximationBase base)
Get derivatives of base functions.
FTensor::Tensor0< FTensor::PackPtr< double *, 1 > > getFTensor0N(const FieldApproximationBase base)
Get base function as Tensor0.

Member Data Documentation

◆ hGradPtr

boost::shared_ptr<MatrixDouble> OpURhs::hGradPtr
private
Examples
shallow_wave.cpp.

Definition at line 165 of file shallow_wave.cpp.

◆ uDotPtr

boost::shared_ptr<MatrixDouble> OpURhs::uDotPtr
private
Examples
shallow_wave.cpp.

Definition at line 163 of file shallow_wave.cpp.

◆ uGradPtr

boost::shared_ptr<MatrixDouble> OpURhs::uGradPtr
private
Examples
shallow_wave.cpp.

Definition at line 164 of file shallow_wave.cpp.

◆ uPtr

boost::shared_ptr<MatrixDouble> OpURhs::uPtr
private
Examples
shallow_wave.cpp.

Definition at line 162 of file shallow_wave.cpp.


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