676 {
678
679 constexpr bool debug =
false;
680
681 constexpr int numNodes = 3;
682 constexpr int numEdges = 3;
683 constexpr int refinementLevels = 6;
684
685 auto &m_field = fe_raw_ptr->
mField;
686 auto fe_ptr = static_cast<Fe *>(fe_raw_ptr);
687 auto fe_handle = fe_ptr->getFEEntityHandle();
688
689 auto set_base_quadrature = [&]() {
691 int rule =
funRule(order_data);
695 }
699 }
701 fe_ptr->gaussPts.resize(3, nb_gauss_pts, false);
702 cblas_dcopy(nb_gauss_pts, &
QUAD_2D_TABLE[rule]->points[1], 3,
703 &fe_ptr->gaussPts(0, 0), 1);
704 cblas_dcopy(nb_gauss_pts, &
QUAD_2D_TABLE[rule]->points[2], 3,
705 &fe_ptr->gaussPts(1, 0), 1);
707 &fe_ptr->gaussPts(2, 0), 1);
708 auto &data = fe_ptr->dataOnElement[
H1];
709 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).resize(nb_gauss_pts, 3,
710 false);
711 double *shape_ptr =
712 &*data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).data().begin();
713 cblas_dcopy(3 * nb_gauss_pts,
QUAD_2D_TABLE[rule]->points, 1, shape_ptr,
714 1);
715 data->dataOnEntities[MBVERTEX][0].getDiffN(
NOBASE).resize(3, 2,
false);
716 std::copy(
718 data->dataOnEntities[MBVERTEX][0].getDiffN(
NOBASE).data().begin());
719
720 } else {
723 }
725 };
726
727 CHKERR set_base_quadrature();
728
730
731 auto get_singular_nodes = [&]() {
732 int num_nodes;
734 CHKERR m_field.get_moab().get_connectivity(fe_handle, conn, num_nodes,
735 true);
736 std::bitset<numNodes> singular_nodes;
737 for (auto nn = 0; nn != numNodes; ++nn) {
739 singular_nodes.set(nn);
740 } else {
741 singular_nodes.reset(nn);
742 }
743 }
744 return singular_nodes;
745 };
746
747 auto get_singular_edges = [&]() {
748 std::bitset<numEdges> singular_edges;
749 for (int ee = 0; ee != numEdges; ee++) {
751 CHKERR m_field.get_moab().side_element(fe_handle, 1, ee, edge);
753 singular_edges.set(ee);
754 } else {
755 singular_edges.reset(ee);
756 }
757 }
758 return singular_edges;
759 };
760
761 auto set_gauss_pts = [&](auto &ref_gauss_pts) {
763 fe_ptr->gaussPts.swap(ref_gauss_pts);
764 const size_t nb_gauss_pts = fe_ptr->gaussPts.size2();
765 auto &data = fe_ptr->dataOnElement[
H1];
766 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).resize(nb_gauss_pts, 4);
767 double *shape_ptr =
768 &*data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).data().begin();
770 &fe_ptr->gaussPts(1, 0), nb_gauss_pts);
772 };
773
774 auto singular_nodes = get_singular_nodes();
775 if (singular_nodes.count()) {
776 auto it_map_ref_coords =
mapRefCoords.find(singular_nodes.to_ulong());
778 CHKERR set_gauss_pts(it_map_ref_coords->second);
780 } else {
781
782 auto refine_quadrature = [&]() {
784
785 const int max_level = refinementLevels;
786
787 moab::Core moab_ref;
788 double base_coords[] = {0, 0, 0, 1, 0, 0, 0, 1, 0};
790 for (int nn = 0; nn != numNodes; nn++)
791 CHKERR moab_ref.create_vertex(&base_coords[3 * nn], nodes[nn]);
793 CHKERR moab_ref.create_element(MBTRI, nodes, numNodes, tri);
796 {
797 Range tris(tri, tri);
800 tris, 1, true, edges, moab::Interface::UNION);
803 }
804
805 Range nodes_at_front;
806 for (int nn = 0; nn != numNodes; nn++) {
807 if (singular_nodes[nn]) {
809 CHKERR moab_ref.side_element(tri, 0, nn, ent);
810 nodes_at_front.insert(ent);
811 }
812 }
813
814 auto singular_edges = get_singular_edges();
815
817 CHKERR moab_ref.create_meshset(MESHSET_SET, meshset);
818 for (int ee = 0; ee != numEdges; ee++) {
819 if (singular_edges[ee]) {
821 CHKERR moab_ref.side_element(tri, 1, ee, ent);
822 CHKERR moab_ref.add_entities(meshset, &ent, 1);
823 }
824 }
825
826
828 for (int ll = 0; ll != max_level; ll++) {
831 ->getEntitiesByTypeAndRefLevel(
BitRefLevel().set(ll),
833 edges);
835 CHKERR moab_ref.get_adjacencies(
836 nodes_at_front, 1, true, ref_edges, moab::Interface::UNION);
837 ref_edges = intersect(ref_edges, edges);
839 CHKERR moab_ref.get_entities_by_type(meshset, MBEDGE, ents,
true);
840 ref_edges = intersect(ref_edges, ents);
843 ->getEntitiesByTypeAndRefLevel(
845 CHKERR m_ref->addVerticesInTheMiddleOfEdges(
849 ->updateMeshsetByEntitiesChildren(meshset,
851 meshset, MBEDGE, true);
852 }
853
854
857 ->getEntitiesByTypeAndRefLevel(
BitRefLevel().set(max_level),
859 tris);
860
864 }
865
867 int tt = 0;
868 for (Range::iterator tit = tris.begin(); tit != tris.end();
869 tit++, tt++) {
870 int num_nodes;
872 CHKERR moab_ref.get_connectivity(*tit, conn, num_nodes,
false);
873 CHKERR moab_ref.get_coords(conn, num_nodes, &ref_coords(tt, 0));
874 }
875
876 auto &data = fe_ptr->dataOnElement[
H1];
877 const size_t nb_gauss_pts = fe_ptr->gaussPts.size2();
878 MatrixDouble ref_gauss_pts(3, nb_gauss_pts * ref_coords.size1());
880 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE);
881 int gg = 0;
882 for (size_t tt = 0; tt != ref_coords.size1(); tt++) {
883 double *tri_coords = &ref_coords(tt, 0);
886 auto det = t_normal.
l2();
887 for (size_t ggg = 0; ggg != nb_gauss_pts; ++ggg, ++gg) {
888 for (
int dd = 0;
dd != 2;
dd++) {
889 ref_gauss_pts(dd, gg) =
890 shape_n(ggg, 0) * tri_coords[3 * 0 +
dd] +
891 shape_n(ggg, 1) * tri_coords[3 * 1 +
dd] +
892 shape_n(ggg, 2) * tri_coords[3 * 2 +
dd];
893 }
894 ref_gauss_pts(2, gg) = fe_ptr->gaussPts(2, ggg) * det;
895 }
896 }
897
898 mapRefCoords[singular_nodes.to_ulong()].swap(ref_gauss_pts);
900
902 };
903
904 CHKERR refine_quadrature();
905 }
906 }
907 }
908
910 }
#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.
