v0.16.0
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Public Member Functions | Private Attributes | List of all members
OpLhs Struct Reference
Inheritance diagram for OpLhs:
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Collaboration diagram for OpLhs:
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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)
 

Private Attributes

boost::shared_ptr< MatrixDoublexPtr
 
boost::shared_ptr< MatrixDoublexDotPtr
 

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 row_data,
EntitiesFieldData::EntData col_data 
)
inline
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
FTensor::Tensor0< FTensor::PackPtr< double *, 1 > > getFTensor0N(const FieldApproximationBase base)
Get base function as Tensor0.

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: