634 {
636
637 constexpr bool debug =
false;
638
639 constexpr int numNodes = 3;
640 constexpr int numEdges = 3;
641 constexpr int refinementLevels = 4;
642
643 auto &m_field = fe_raw_ptr->
mField;
644 auto fe_ptr = static_cast<Fe *>(fe_raw_ptr);
645 auto fe_handle = fe_ptr->getFEEntityHandle();
646
647 auto set_base_quadrature = [&]() {
649 int rule =
funRule(order_data);
653 }
657 }
659 fe_ptr->gaussPts.resize(3, nb_gauss_pts, false);
660 cblas_dcopy(nb_gauss_pts, &
QUAD_2D_TABLE[rule]->points[1], 3,
661 &fe_ptr->gaussPts(0, 0), 1);
662 cblas_dcopy(nb_gauss_pts, &
QUAD_2D_TABLE[rule]->points[2], 3,
663 &fe_ptr->gaussPts(1, 0), 1);
665 &fe_ptr->gaussPts(2, 0), 1);
666 auto &data = fe_ptr->dataOnElement[
H1];
667 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).resize(nb_gauss_pts, 3,
668 false);
669 double *shape_ptr =
670 &*data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).data().begin();
671 cblas_dcopy(3 * nb_gauss_pts,
QUAD_2D_TABLE[rule]->points, 1, shape_ptr,
672 1);
673 data->dataOnEntities[MBVERTEX][0].getDiffN(
NOBASE).resize(3, 2,
false);
674 std::copy(
676 data->dataOnEntities[MBVERTEX][0].getDiffN(
NOBASE).data().begin());
677
678 } else {
681 }
683 };
684
685 CHKERR set_base_quadrature();
686
688
689 auto get_singular_nodes = [&]() {
690 int num_nodes;
692 CHKERR m_field.get_moab().get_connectivity(fe_handle, conn, num_nodes,
693 true);
694 std::bitset<numNodes> singular_nodes;
695 for (auto nn = 0; nn != numNodes; ++nn) {
697 singular_nodes.set(nn);
698 } else {
699 singular_nodes.reset(nn);
700 }
701 }
702 return singular_nodes;
703 };
704
705 auto get_singular_edges = [&]() {
706 std::bitset<numEdges> singular_edges;
707 for (int ee = 0; ee != numEdges; ee++) {
709 CHKERR m_field.get_moab().side_element(fe_handle, 1, ee, edge);
711 singular_edges.set(ee);
712 } else {
713 singular_edges.reset(ee);
714 }
715 }
716 return singular_edges;
717 };
718
719 auto set_gauss_pts = [&](auto &ref_gauss_pts) {
721 fe_ptr->gaussPts.swap(ref_gauss_pts);
722 const size_t nb_gauss_pts = fe_ptr->gaussPts.size2();
723 auto &data = fe_ptr->dataOnElement[
H1];
724 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).resize(nb_gauss_pts, 4);
725 double *shape_ptr =
726 &*data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).data().begin();
728 &fe_ptr->gaussPts(1, 0), nb_gauss_pts);
730 };
731
732 auto singular_nodes = get_singular_nodes();
733 if (singular_nodes.count()) {
734 auto it_map_ref_coords =
mapRefCoords.find(singular_nodes.to_ulong());
736 CHKERR set_gauss_pts(it_map_ref_coords->second);
738 } else {
739
740 auto refine_quadrature = [&]() {
742
743 const int max_level = refinementLevels;
744
745 moab::Core moab_ref;
746 double base_coords[] = {0, 0, 0, 1, 0, 0, 0, 1, 0};
748 for (int nn = 0; nn != numNodes; nn++)
749 CHKERR moab_ref.create_vertex(&base_coords[3 * nn], nodes[nn]);
751 CHKERR moab_ref.create_element(MBTRI, nodes, numNodes, tri);
754 {
755 Range tris(tri, tri);
758 tris, 1, true, edges, moab::Interface::UNION);
761 }
762
763 Range nodes_at_front;
764 for (int nn = 0; nn != numNodes; nn++) {
765 if (singular_nodes[nn]) {
767 CHKERR moab_ref.side_element(tri, 0, nn, ent);
768 nodes_at_front.insert(ent);
769 }
770 }
771
772 auto singular_edges = get_singular_edges();
773
775 CHKERR moab_ref.create_meshset(MESHSET_SET, meshset);
776 for (int ee = 0; ee != numEdges; ee++) {
777 if (singular_edges[ee]) {
779 CHKERR moab_ref.side_element(tri, 1, ee, ent);
780 CHKERR moab_ref.add_entities(meshset, &ent, 1);
781 }
782 }
783
784
786 for (int ll = 0; ll != max_level; ll++) {
789 ->getEntitiesByTypeAndRefLevel(
BitRefLevel().set(ll),
791 edges);
793 CHKERR moab_ref.get_adjacencies(
794 nodes_at_front, 1, true, ref_edges, moab::Interface::UNION);
795 ref_edges = intersect(ref_edges, edges);
797 CHKERR moab_ref.get_entities_by_type(meshset, MBEDGE, ents,
true);
798 ref_edges = intersect(ref_edges, ents);
801 ->getEntitiesByTypeAndRefLevel(
803 CHKERR m_ref->addVerticesInTheMiddleOfEdges(
807 ->updateMeshsetByEntitiesChildren(meshset,
809 meshset, MBEDGE, true);
810 }
811
812
815 ->getEntitiesByTypeAndRefLevel(
BitRefLevel().set(max_level),
817 tris);
818
822 }
823
825 int tt = 0;
826 for (Range::iterator tit = tris.begin(); tit != tris.end();
827 tit++, tt++) {
828 int num_nodes;
830 CHKERR moab_ref.get_connectivity(*tit, conn, num_nodes,
false);
831 CHKERR moab_ref.get_coords(conn, num_nodes, &ref_coords(tt, 0));
832 }
833
834 auto &data = fe_ptr->dataOnElement[
H1];
835 const size_t nb_gauss_pts = fe_ptr->gaussPts.size2();
836 MatrixDouble ref_gauss_pts(3, nb_gauss_pts * ref_coords.size1());
838 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE);
839 int gg = 0;
840 for (size_t tt = 0; tt != ref_coords.size1(); tt++) {
841 double *tri_coords = &ref_coords(tt, 0);
844 auto det = t_normal.
l2();
845 for (size_t ggg = 0; ggg != nb_gauss_pts; ++ggg, ++gg) {
846 for (
int dd = 0;
dd != 2;
dd++) {
847 ref_gauss_pts(dd, gg) =
848 shape_n(ggg, 0) * tri_coords[3 * 0 +
dd] +
849 shape_n(ggg, 1) * tri_coords[3 * 1 +
dd] +
850 shape_n(ggg, 2) * tri_coords[3 * 2 +
dd];
851 }
852 ref_gauss_pts(2, gg) = fe_ptr->gaussPts(2, ggg) * det;
853 }
854 }
855
856 mapRefCoords[singular_nodes.to_ulong()].swap(ref_gauss_pts);
858
860 };
861
862 CHKERR refine_quadrature();
863 }
864 }
865 }
866
868 }
#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.
