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Public Member Functions | Private Attributes | List of all members
HenckyOps::OpCalculateEigenValsImpl< DIM, GAUSS, DomainEleOp > Struct Template Reference

#include "tutorials/vec-2_nonlinear_elasticity/src/HenckyOps.hpp"

Inheritance diagram for HenckyOps::OpCalculateEigenValsImpl< DIM, GAUSS, DomainEleOp >:
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Collaboration diagram for HenckyOps::OpCalculateEigenValsImpl< DIM, GAUSS, DomainEleOp >:
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Public Member Functions

 OpCalculateEigenValsImpl (const std::string field_name, boost::shared_ptr< CommonData > common_data)
 
MoFEMErrorCode doWork (int side, EntityType type, EntData &data)
 
 OpCalculateEigenValsImpl (const std::string field_name, boost::shared_ptr< CommonData > common_data)
 
MoFEMErrorCode doWork (int side, EntityType type, EntData &data)
 

Private Attributes

boost::shared_ptr< CommonDatacommonDataPtr
 

Detailed Description

template<int DIM, typename DomainEleOp>
struct HenckyOps::OpCalculateEigenValsImpl< DIM, GAUSS, DomainEleOp >

Definition at line 133 of file HenckyOps.hpp.

Constructor & Destructor Documentation

◆ OpCalculateEigenValsImpl() [1/2]

template<int DIM, typename DomainEleOp >
HenckyOps::OpCalculateEigenValsImpl< DIM, GAUSS, DomainEleOp >::OpCalculateEigenValsImpl ( const std::string  field_name,
boost::shared_ptr< CommonData common_data 
)
inline

Definition at line 135 of file HenckyOps.hpp.

137 : DomainEleOp(field_name, DomainEleOp::OPROW),
138 commonDataPtr(common_data) {
139 std::fill(&DomainEleOp::doEntities[MBEDGE],
140 &DomainEleOp::doEntities[MBMAXTYPE], false);
141 }
DomainEle::UserDataOperator DomainEleOp
Finire element operator type.
constexpr auto field_name

◆ OpCalculateEigenValsImpl() [2/2]

template<int DIM, typename DomainEleOp >
HenckyOps::OpCalculateEigenValsImpl< DIM, GAUSS, DomainEleOp >::OpCalculateEigenValsImpl ( const std::string  field_name,
boost::shared_ptr< CommonData common_data 
)
inline

Definition at line 152 of file HenckyOps.hpp.

154 : DomainEleOp(field_name, DomainEleOp::OPROW),
155 commonDataPtr(common_data) {
156 std::fill(&DomainEleOp::doEntities[MBEDGE],
157 &DomainEleOp::doEntities[MBMAXTYPE], false);
158 }

Member Function Documentation

◆ doWork() [1/2]

template<int DIM, typename DomainEleOp >
MoFEMErrorCode HenckyOps::OpCalculateEigenValsImpl< DIM, GAUSS, DomainEleOp >::doWork ( int  side,
EntityType  type,
EntData data 
)
inline

Definition at line 143 of file HenckyOps.hpp.

143 {
145
146 FTensor::Index<'i', DIM> i;
147 FTensor::Index<'j', DIM> j;
148 FTensor::Index<'k', DIM> k;
149
150 [[maybe_unused]] constexpr auto t_kd = FTensor::Kronecker_Delta<int>();
151 // const size_t nb_gauss_pts = matGradPtr->size2();
152 const size_t nb_gauss_pts = DomainEleOp::getGaussPts().size2();
153
154 auto t_grad = getFTensor2FromMat<DIM, DIM>(*(commonDataPtr->matGradPtr));
155
156 commonDataPtr->matEigVal.resize(nb_gauss_pts, DIM, false);
157 commonDataPtr->matEigVec.resize(nb_gauss_pts, DIM * DIM, false);
158 auto t_eig_val = getFTensor1FromMat<DIM>(commonDataPtr->matEigVal);
159 auto t_eig_vec = getFTensor2FromMat<DIM, DIM>(commonDataPtr->matEigVec);
160
161 for (size_t gg = 0; gg != nb_gauss_pts; ++gg) {
162
167
168 F(i, j) = t_grad(i, j) + t_kd(i, j);
169 C(i, j) = F(k, i) ^ F(k, j);
170
171 for (int ii = 0; ii != DIM; ii++)
172 for (int jj = 0; jj != DIM; jj++)
173 eigen_vec(ii, jj) = C(ii, jj);
174
175 CHKERR computeEigenValuesSymmetric(eigen_vec, eig);
176 for (auto ii = 0; ii != DIM; ++ii)
177 eig(ii) = std::max(eps, eig(ii));
178
179 // rare case when two eigen values are equal
180 auto nb_uniq = get_uniq_nb<DIM>(&eig(0));
181 if constexpr (DIM == 3) {
182 if (nb_uniq == 2) {
183 sort_eigen_vals<DIM>(eig, eigen_vec);
184 }
185 }
186
187 t_eig_val(i) = eig(i);
188 t_eig_vec(i, j) = eigen_vec(i, j);
189
190#ifndef NDEBUG
191 auto nb_uniq_test = get_uniq_nb<DIM>(&t_eig_val(0));
192 if (nb_uniq_test != nb_uniq) {
193 SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
194 "Inconsistent number of unique eigen values %ld != %ld",
195 nb_uniq, nb_uniq_test);
196 }
197#endif
198
199 ++t_grad;
200 ++t_eig_val;
201 ++t_eig_vec;
202 }
203
205 }
Kronecker Delta class.
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
@ MOFEM_DATA_INCONSISTENCY
Definition definitions.h:31
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
#define CHKERR
Inline error check.
@ F
constexpr auto t_kd
FTensor::Index< 'i', SPACE_DIM > i
FTensor::Index< 'j', 3 > j
FTensor::Index< 'k', 3 > k
const double eps
Definition HenckyOps.hpp:13
MoFEMErrorCode computeEigenValuesSymmetric(const MatrixDouble &mat, VectorDouble &eig, MatrixDouble &eigen_vec)
compute eigenvalues of a symmetric matrix using lapack dsyev

◆ doWork() [2/2]

template<int DIM, typename DomainEleOp >
MoFEMErrorCode HenckyOps::OpCalculateEigenValsImpl< DIM, GAUSS, DomainEleOp >::doWork ( int  side,
EntityType  type,
EntData data 
)
inline

Definition at line 160 of file HenckyOps.hpp.

160 {
162
163 FTensor::Index<'i', DIM> i;
164 FTensor::Index<'j', DIM> j;
165 FTensor::Index<'k', DIM> k;
166
167 constexpr auto t_kd = FTensor::Kronecker_Delta<double>();
168 // const size_t nb_gauss_pts = matGradPtr->size2();
169 const size_t nb_gauss_pts = DomainEleOp::getGaussPts().size2();
170
171 auto t_grad = getFTensor2FromMat<DIM, DIM>(*(commonDataPtr->matGradPtr));
172
173 commonDataPtr->matEigVal.resize(DIM, nb_gauss_pts, false);
174 commonDataPtr->matEigVec.resize(DIM * DIM, nb_gauss_pts, false);
175 auto t_eig_val = getFTensor1FromMat<DIM>(commonDataPtr->matEigVal);
176 auto t_eig_vec = getFTensor2FromMat<DIM, DIM>(commonDataPtr->matEigVec);
177
178 for (size_t gg = 0; gg != nb_gauss_pts; ++gg) {
179
184
185 F(i, j) = t_grad(i, j) + t_kd(i, j);
186 C(i, j) = F(k, i) ^ F(k, j);
187
188 for (int ii = 0; ii != DIM; ii++)
189 for (int jj = 0; jj != DIM; jj++)
190 eigen_vec(ii, jj) = C(ii, jj);
191
192 CHKERR computeEigenValuesSymmetric(eigen_vec, eig);
193 for (auto ii = 0; ii != DIM; ++ii)
194 eig(ii) = std::max(std::numeric_limits<double>::epsilon(), eig(ii));
195
196 // rare case when two eigen values are equal
197 auto nb_uniq = get_uniq_nb<DIM>(&eig(0));
198 if constexpr (DIM == 3) {
199 if (nb_uniq == 2) {
200 sort_eigen_vals<DIM>(eig, eigen_vec);
201 }
202 }
203
204 t_eig_val(i) = eig(i);
205 t_eig_vec(i, j) = eigen_vec(i, j);
206
207 ++t_grad;
208 ++t_eig_val;
209 ++t_eig_vec;
210 }
211
213 }

Member Data Documentation

◆ commonDataPtr

template<int DIM, typename DomainEleOp >
boost::shared_ptr< CommonData > HenckyOps::OpCalculateEigenValsImpl< DIM, GAUSS, DomainEleOp >::commonDataPtr
private

Definition at line 208 of file HenckyOps.hpp.


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