736 {
738
741
742 int nb_integration_pts = OP::getGaussPts().size2();
744
745 int nb_base_functions = data.
getN().size2() / 3;
747 auto t_w = OP::getFTensor0IntegrationWeight();
748
750 auto t_kappa = getFTensor0FromVec<0>(*
kappaPtr);
752 auto t_face_normal = getFTensor1NormalsAtGaussPts();
753
754 auto next = [&]() {
755 ++t_P;
756 ++t_face_normal;
757 ++t_kappa;
758 ++t_delta_kappa;
759 ++t_w;
760 };
761
762 for (auto gg = 0; gg != nb_integration_pts; ++gg) {
766 t_normalized_normal(
J) = t_normal(
J);
769 t_traction(
i) = t_P(
i,
J) * t_normalized_normal(
J);
770
771 auto dJ_dtraction = [](auto &t_traction, auto &t_normalized_normal,
772 auto &t_delta_kappa, auto &t_kappa, auto gc) {
773 double kappa =
static_cast<double>(t_kappa);
774 double delta_kappa = static_cast<double>(t_delta_kappa);
777 t_traction_double(
i) = t_traction(
i);
778 auto t_dM =
780 t_traction_double, delta_kappa,
kappa, t_normalized_normal, gc,
783 t_dJ_double(
i) = t_dM(
i);
784 return t_dJ_double;
785 };
786
788
789 auto t_nf = getFTensor1FromPtr<3>(&*OP::locF.begin());
790 int bb = 0;
791 for (; bb != nb_dofs /
SPACE_DIM; ++bb) {
792 double row_base = t_w * (t_row_base_fun(
J) * t_normal(
J));
793 t_nf(
i) += row_base * t_dJ(
i);
794 ++t_nf;
795 ++t_row_base_fun;
796 }
797 for (; bb != nb_base_functions; ++bb)
798 ++t_row_base_fun;
799 };
800
801 assemble(dJ_dtraction(t_traction, t_normalized_normal, t_delta_kappa,
803
804
805 next();
806 }
807
809 };
#define FTENSOR_INDEX(DIM, I)
Tensor1< T, Tensor_Dim > normalize()
FTensor::Index< 'i', SPACE_DIM > i
FTensor::Index< 'J', DIM1 > J
static auto calculateDissipationSurplusDiffTraction(const FTensor::Tensor1< T, 3 > &t_traction, const T &delta_kappa, const T &kappa, FTensor::Tensor1< double, 3 > &t_n_normalize, double gc, double beta, double min_stiffness)
boost::shared_ptr< MatrixDouble > fluxMatPtr
boost::shared_ptr< double > gcPtr
boost::shared_ptr< VectorDouble > kappaDeltaPtr
boost::shared_ptr< VectorDouble > kappaPtr
static double min_stiffness
MatrixDouble & getN(const FieldApproximationBase base)
get base functions this return matrix (nb. of rows is equal to nb. of Gauss pts, nb....
auto getFTensor1N(FieldApproximationBase base)
Get base functions for Hdiv/Hcurl spaces.
const VectorInt & getIndices() const
Get global indices of degrees of freedom on entity.