679 {
681
682 constexpr bool debug =
false;
683
684 constexpr int numNodes = 3;
685 constexpr int numEdges = 3;
686 constexpr int refinementLevels = 6;
687
688 auto &m_field = fe_raw_ptr->
mField;
689 auto fe_ptr = static_cast<Fe *>(fe_raw_ptr);
690 auto fe_handle = fe_ptr->getFEEntityHandle();
691
692 auto set_base_quadrature = [&]() {
694 int rule =
funRule(order_data);
698 }
702 }
704 fe_ptr->gaussPts.resize(3, nb_gauss_pts, false);
705 cblas_dcopy(nb_gauss_pts, &
QUAD_2D_TABLE[rule]->points[1], 3,
706 &fe_ptr->gaussPts(0, 0), 1);
707 cblas_dcopy(nb_gauss_pts, &
QUAD_2D_TABLE[rule]->points[2], 3,
708 &fe_ptr->gaussPts(1, 0), 1);
710 &fe_ptr->gaussPts(2, 0), 1);
711 auto &data = fe_ptr->dataOnElement[
H1];
712 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).resize(nb_gauss_pts, 3,
713 false);
714 double *shape_ptr =
715 &*data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).data().begin();
716 cblas_dcopy(3 * nb_gauss_pts,
QUAD_2D_TABLE[rule]->points, 1, shape_ptr,
717 1);
718 data->dataOnEntities[MBVERTEX][0].getDiffN(
NOBASE).resize(3, 2,
false);
719 std::copy(
721 data->dataOnEntities[MBVERTEX][0].getDiffN(
NOBASE).data().begin());
722
723 } else {
726 }
728 };
729
730 CHKERR set_base_quadrature();
731
733
734 auto get_singular_nodes = [&]() {
735 int num_nodes;
737 CHKERR m_field.get_moab().get_connectivity(fe_handle, conn, num_nodes,
738 true);
739 std::bitset<numNodes> singular_nodes;
740 for (auto nn = 0; nn != numNodes; ++nn) {
742 singular_nodes.set(nn);
743 } else {
744 singular_nodes.reset(nn);
745 }
746 }
747 return singular_nodes;
748 };
749
750 auto get_singular_edges = [&]() {
751 std::bitset<numEdges> singular_edges;
752 for (int ee = 0; ee != numEdges; ee++) {
754 CHKERR m_field.get_moab().side_element(fe_handle, 1, ee, edge);
756 singular_edges.set(ee);
757 } else {
758 singular_edges.reset(ee);
759 }
760 }
761 return singular_edges;
762 };
763
764 auto set_gauss_pts = [&](auto &ref_gauss_pts) {
766 fe_ptr->gaussPts.swap(ref_gauss_pts);
767 const size_t nb_gauss_pts = fe_ptr->gaussPts.size2();
768 auto &data = fe_ptr->dataOnElement[
H1];
769 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).resize(nb_gauss_pts, 4);
770 double *shape_ptr =
771 &*data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).data().begin();
773 &fe_ptr->gaussPts(1, 0), nb_gauss_pts);
775 };
776
777 auto singular_nodes = get_singular_nodes();
778 if (singular_nodes.count()) {
779 auto it_map_ref_coords =
mapRefCoords.find(singular_nodes.to_ulong());
781 CHKERR set_gauss_pts(it_map_ref_coords->second);
783 } else {
784
785 auto refine_quadrature = [&]() {
787
788 const int max_level = refinementLevels;
789
790 moab::Core moab_ref;
791 double base_coords[] = {0, 0, 0, 1, 0, 0, 0, 1, 0};
793 for (int nn = 0; nn != numNodes; nn++)
794 CHKERR moab_ref.create_vertex(&base_coords[3 * nn], nodes[nn]);
796 CHKERR moab_ref.create_element(MBTRI, nodes, numNodes, tri);
799 {
800 Range tris(tri, tri);
803 tris, 1, true, edges, moab::Interface::UNION);
806 }
807
808 Range nodes_at_front;
809 for (int nn = 0; nn != numNodes; nn++) {
810 if (singular_nodes[nn]) {
812 CHKERR moab_ref.side_element(tri, 0, nn, ent);
813 nodes_at_front.insert(ent);
814 }
815 }
816
817 auto singular_edges = get_singular_edges();
818
820 CHKERR moab_ref.create_meshset(MESHSET_SET, meshset);
821 for (int ee = 0; ee != numEdges; ee++) {
822 if (singular_edges[ee]) {
824 CHKERR moab_ref.side_element(tri, 1, ee, ent);
825 CHKERR moab_ref.add_entities(meshset, &ent, 1);
826 }
827 }
828
829
831 for (int ll = 0; ll != max_level; ll++) {
834 ->getEntitiesByTypeAndRefLevel(
BitRefLevel().set(ll),
836 edges);
838 CHKERR moab_ref.get_adjacencies(
839 nodes_at_front, 1, true, ref_edges, moab::Interface::UNION);
840 ref_edges = intersect(ref_edges, edges);
842 CHKERR moab_ref.get_entities_by_type(meshset, MBEDGE, ents,
true);
843 ref_edges = intersect(ref_edges, ents);
846 ->getEntitiesByTypeAndRefLevel(
848 CHKERR m_ref->addVerticesInTheMiddleOfEdges(
852 ->updateMeshsetByEntitiesChildren(meshset,
854 meshset, MBEDGE, true);
855 }
856
857
860 ->getEntitiesByTypeAndRefLevel(
BitRefLevel().set(max_level),
862 tris);
863
867 }
868
870 int tt = 0;
871 for (Range::iterator tit = tris.begin(); tit != tris.end();
872 tit++, tt++) {
873 int num_nodes;
875 CHKERR moab_ref.get_connectivity(*tit, conn, num_nodes,
false);
876 CHKERR moab_ref.get_coords(conn, num_nodes, &ref_coords(tt, 0));
877 }
878
879 auto &data = fe_ptr->dataOnElement[
H1];
880 const size_t nb_gauss_pts = fe_ptr->gaussPts.size2();
881 MatrixDouble ref_gauss_pts(3, nb_gauss_pts * ref_coords.size1());
883 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE);
884 int gg = 0;
885 for (size_t tt = 0; tt != ref_coords.size1(); tt++) {
886 double *tri_coords = &ref_coords(tt, 0);
889 auto det = t_normal.
l2();
890 for (size_t ggg = 0; ggg != nb_gauss_pts; ++ggg, ++gg) {
891 for (
int dd = 0;
dd != 2;
dd++) {
892 ref_gauss_pts(dd, gg) =
893 shape_n(ggg, 0) * tri_coords[3 * 0 +
dd] +
894 shape_n(ggg, 1) * tri_coords[3 * 1 +
dd] +
895 shape_n(ggg, 2) * tri_coords[3 * 2 +
dd];
896 }
897 ref_gauss_pts(2, gg) = fe_ptr->gaussPts(2, ggg) * det;
898 }
899 }
900
901 mapRefCoords[singular_nodes.to_ulong()].swap(ref_gauss_pts);
903
905 };
906
907 CHKERR refine_quadrature();
908 }
909 }
910 }
911
913 }
#define MoFEMFunctionReturnHot(a)
Last executable line of each PETSc function used for error handling. Replaces return()
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
@ MOFEM_DATA_INCONSISTENCY
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
#define CHKERR
Inline error check.
const Tensor2_symmetric_Expr< const ddTensor0< T, Dim, i, j >, typename promote< T, double >::V, Dim, i, j > dd(const Tensor0< T * > &a, const Index< i, Dim > index1, const Index< j, Dim > index2, const Tensor1< int, Dim > &d_ijk, const Tensor1< double, Dim > &d_xyz)
std::bitset< BITREFLEVEL_SIZE > BitRefLevel
Bit structure attached to each entity identifying to what mesh entity is attached.
#define QUAD_2D_TABLE_SIZE
#define QUAD_3D_TABLE_SIZE
static QUAD *const QUAD_2D_TABLE[]
static PetscBool setSingularity
static std::map< long int, MatrixDouble > mapRefCoords
virtual moab::Interface & get_moab()=0
Deprecated interface functions.
Mesh refinement interface.
MoFEMErrorCode getInterface(IFACE *&iface) const
Get interface reference to pointer of interface.
