655 {
657
658 constexpr bool debug =
false;
659
660 constexpr int numNodes = 3;
661 constexpr int numEdges = 3;
662 constexpr int refinementLevels = 6;
663
664 auto &m_field = fe_raw_ptr->
mField;
665 auto fe_ptr = static_cast<Fe *>(fe_raw_ptr);
666 auto fe_handle = fe_ptr->getFEEntityHandle();
667
668 auto set_base_quadrature = [&]() {
670 int rule =
funRule(order_data);
674 }
678 }
680 fe_ptr->gaussPts.resize(3, nb_gauss_pts, false);
681 cblas_dcopy(nb_gauss_pts, &
QUAD_2D_TABLE[rule]->points[1], 3,
682 &fe_ptr->gaussPts(0, 0), 1);
683 cblas_dcopy(nb_gauss_pts, &
QUAD_2D_TABLE[rule]->points[2], 3,
684 &fe_ptr->gaussPts(1, 0), 1);
686 &fe_ptr->gaussPts(2, 0), 1);
687 auto &data = fe_ptr->dataOnElement[
H1];
688 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).resize(nb_gauss_pts, 3,
689 false);
690 double *shape_ptr =
691 &*data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).data().begin();
692 cblas_dcopy(3 * nb_gauss_pts,
QUAD_2D_TABLE[rule]->points, 1, shape_ptr,
693 1);
694 data->dataOnEntities[MBVERTEX][0].getDiffN(
NOBASE).resize(3, 2,
false);
695 std::copy(
697 data->dataOnEntities[MBVERTEX][0].getDiffN(
NOBASE).data().begin());
698
699 } else {
702 }
704 };
705
706 CHKERR set_base_quadrature();
707
709
710 auto get_singular_nodes = [&]() {
711 int num_nodes;
713 CHKERR m_field.get_moab().get_connectivity(fe_handle, conn, num_nodes,
714 true);
715 std::bitset<numNodes> singular_nodes;
716 for (auto nn = 0; nn != numNodes; ++nn) {
718 singular_nodes.set(nn);
719 } else {
720 singular_nodes.reset(nn);
721 }
722 }
723 return singular_nodes;
724 };
725
726 auto get_singular_edges = [&]() {
727 std::bitset<numEdges> singular_edges;
728 for (int ee = 0; ee != numEdges; ee++) {
730 CHKERR m_field.get_moab().side_element(fe_handle, 1, ee, edge);
732 singular_edges.set(ee);
733 } else {
734 singular_edges.reset(ee);
735 }
736 }
737 return singular_edges;
738 };
739
740 auto set_gauss_pts = [&](auto &ref_gauss_pts) {
742 fe_ptr->gaussPts.swap(ref_gauss_pts);
743 const size_t nb_gauss_pts = fe_ptr->gaussPts.size2();
744 auto &data = fe_ptr->dataOnElement[
H1];
745 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).resize(nb_gauss_pts, 4);
746 double *shape_ptr =
747 &*data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).data().begin();
749 &fe_ptr->gaussPts(1, 0), nb_gauss_pts);
751 };
752
753 auto singular_nodes = get_singular_nodes();
754 if (singular_nodes.count()) {
755 auto it_map_ref_coords =
mapRefCoords.find(singular_nodes.to_ulong());
757 CHKERR set_gauss_pts(it_map_ref_coords->second);
759 } else {
760
761 auto refine_quadrature = [&]() {
763
764 const int max_level = refinementLevels;
765
766 moab::Core moab_ref;
767 double base_coords[] = {0, 0, 0, 1, 0, 0, 0, 1, 0};
769 for (int nn = 0; nn != numNodes; nn++)
770 CHKERR moab_ref.create_vertex(&base_coords[3 * nn], nodes[nn]);
772 CHKERR moab_ref.create_element(MBTRI, nodes, numNodes, tri);
775 {
776 Range tris(tri, tri);
779 tris, 1, true, edges, moab::Interface::UNION);
782 }
783
784 Range nodes_at_front;
785 for (int nn = 0; nn != numNodes; nn++) {
786 if (singular_nodes[nn]) {
788 CHKERR moab_ref.side_element(tri, 0, nn, ent);
789 nodes_at_front.insert(ent);
790 }
791 }
792
793 auto singular_edges = get_singular_edges();
794
796 CHKERR moab_ref.create_meshset(MESHSET_SET, meshset);
797 for (int ee = 0; ee != numEdges; ee++) {
798 if (singular_edges[ee]) {
800 CHKERR moab_ref.side_element(tri, 1, ee, ent);
801 CHKERR moab_ref.add_entities(meshset, &ent, 1);
802 }
803 }
804
805
807 for (int ll = 0; ll != max_level; ll++) {
810 ->getEntitiesByTypeAndRefLevel(
BitRefLevel().set(ll),
812 edges);
814 CHKERR moab_ref.get_adjacencies(
815 nodes_at_front, 1, true, ref_edges, moab::Interface::UNION);
816 ref_edges = intersect(ref_edges, edges);
818 CHKERR moab_ref.get_entities_by_type(meshset, MBEDGE, ents,
true);
819 ref_edges = intersect(ref_edges, ents);
822 ->getEntitiesByTypeAndRefLevel(
824 CHKERR m_ref->addVerticesInTheMiddleOfEdges(
828 ->updateMeshsetByEntitiesChildren(meshset,
830 meshset, MBEDGE, true);
831 }
832
833
836 ->getEntitiesByTypeAndRefLevel(
BitRefLevel().set(max_level),
838 tris);
839
843 }
844
846 int tt = 0;
847 for (Range::iterator tit = tris.begin(); tit != tris.end();
848 tit++, tt++) {
849 int num_nodes;
851 CHKERR moab_ref.get_connectivity(*tit, conn, num_nodes,
false);
852 CHKERR moab_ref.get_coords(conn, num_nodes, &ref_coords(tt, 0));
853 }
854
855 auto &data = fe_ptr->dataOnElement[
H1];
856 const size_t nb_gauss_pts = fe_ptr->gaussPts.size2();
857 MatrixDouble ref_gauss_pts(3, nb_gauss_pts * ref_coords.size1());
859 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE);
860 int gg = 0;
861 for (size_t tt = 0; tt != ref_coords.size1(); tt++) {
862 double *tri_coords = &ref_coords(tt, 0);
865 auto det = t_normal.
l2();
866 for (size_t ggg = 0; ggg != nb_gauss_pts; ++ggg, ++gg) {
867 for (
int dd = 0;
dd != 2;
dd++) {
868 ref_gauss_pts(dd, gg) =
869 shape_n(ggg, 0) * tri_coords[3 * 0 +
dd] +
870 shape_n(ggg, 1) * tri_coords[3 * 1 +
dd] +
871 shape_n(ggg, 2) * tri_coords[3 * 2 +
dd];
872 }
873 ref_gauss_pts(2, gg) = fe_ptr->gaussPts(2, ggg) * det;
874 }
875 }
876
877 mapRefCoords[singular_nodes.to_ulong()].swap(ref_gauss_pts);
879
881 };
882
883 CHKERR refine_quadrature();
884 }
885 }
886 }
887
889 }
#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.
