370 {
372
373 constexpr bool debug =
false;
374
375 constexpr int numNodes = 4;
376 constexpr int numEdges = 6;
377 constexpr int refinementLevels = 4;
378
379 auto &m_field = fe_raw_ptr->
mField;
380 auto fe_ptr = static_cast<Fe *>(fe_raw_ptr);
381 auto fe_handle = fe_ptr->getFEEntityHandle();
382
383 auto set_base_quadrature = [&]() {
385 int rule = 2 * order_data + 1;
389 "wrong dimension");
390 }
394 }
396 auto &gauss_pts = fe_ptr->gaussPts;
397 gauss_pts.resize(4, nb_gauss_pts, false);
398 cblas_dcopy(nb_gauss_pts, &
QUAD_3D_TABLE[rule]->points[1], 4,
399 &gauss_pts(0, 0), 1);
400 cblas_dcopy(nb_gauss_pts, &
QUAD_3D_TABLE[rule]->points[2], 4,
401 &gauss_pts(1, 0), 1);
402 cblas_dcopy(nb_gauss_pts, &
QUAD_3D_TABLE[rule]->points[3], 4,
403 &gauss_pts(2, 0), 1);
405 &gauss_pts(3, 0), 1);
406 auto &data = fe_ptr->dataOnElement[
H1];
407 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).resize(nb_gauss_pts, 4,
408 false);
409 double *shape_ptr =
410 &*data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).data().begin();
411 cblas_dcopy(4 * nb_gauss_pts,
QUAD_3D_TABLE[rule]->points, 1, shape_ptr,
412 1);
413 } else {
416 }
418 };
419
420 CHKERR set_base_quadrature();
421
423
424 auto get_singular_nodes = [&]() {
425 int num_nodes;
427 CHKERR m_field.get_moab().get_connectivity(fe_handle, conn, num_nodes,
428 true);
429 std::bitset<numNodes> singular_nodes;
430 for (auto nn = 0; nn != numNodes; ++nn) {
432 singular_nodes.set(nn);
433 } else {
434 singular_nodes.reset(nn);
435 }
436 }
437 return singular_nodes;
438 };
439
440 auto get_singular_edges = [&]() {
441 std::bitset<numEdges> singular_edges;
442 for (int ee = 0; ee != numEdges; ee++) {
444 CHKERR m_field.get_moab().side_element(fe_handle, 1, ee, edge);
446 singular_edges.set(ee);
447 } else {
448 singular_edges.reset(ee);
449 }
450 }
451 return singular_edges;
452 };
453
454 auto set_gauss_pts = [&](auto &ref_gauss_pts) {
456 fe_ptr->gaussPts.swap(ref_gauss_pts);
457 const size_t nb_gauss_pts = fe_ptr->gaussPts.size2();
458 auto &data = fe_ptr->dataOnElement[
H1];
459 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).resize(nb_gauss_pts, 4);
460 double *shape_ptr =
461 &*data->dataOnEntities[MBVERTEX][0].getN(
NOBASE).data().begin();
463 &fe_ptr->gaussPts(1, 0), &fe_ptr->gaussPts(2, 0),
464 nb_gauss_pts);
466 };
467
468 auto singular_nodes = get_singular_nodes();
469 if (singular_nodes.count()) {
470 auto it_map_ref_coords =
mapRefCoords.find(singular_nodes.to_ulong());
472 CHKERR set_gauss_pts(it_map_ref_coords->second);
474 } else {
475
476 auto refine_quadrature = [&]() {
478
479 const int max_level = refinementLevels;
481
482 moab::Core moab_ref;
483 double base_coords[] = {0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1};
485 for (int nn = 0; nn != 4; nn++)
486 CHKERR moab_ref.create_vertex(&base_coords[3 * nn], nodes[nn]);
487 CHKERR moab_ref.create_element(MBTET, nodes, 4, tet);
490 {
491 Range tets(tet, tet);
494 tets, 1, true, edges, moab::Interface::UNION);
497 }
498
499 Range nodes_at_front;
500 for (int nn = 0; nn != numNodes; nn++) {
501 if (singular_nodes[nn]) {
503 CHKERR moab_ref.side_element(tet, 0, nn, ent);
504 nodes_at_front.insert(ent);
505 }
506 }
507
508 auto singular_edges = get_singular_edges();
509
511 CHKERR moab_ref.create_meshset(MESHSET_SET, meshset);
512 for (int ee = 0; ee != numEdges; ee++) {
513 if (singular_edges[ee]) {
515 CHKERR moab_ref.side_element(tet, 1, ee, ent);
516 CHKERR moab_ref.add_entities(meshset, &ent, 1);
517 }
518 }
519
520
522 for (int ll = 0; ll != max_level; ll++) {
525 ->getEntitiesByTypeAndRefLevel(
BitRefLevel().set(ll),
527 edges);
529 CHKERR moab_ref.get_adjacencies(
530 nodes_at_front, 1, true, ref_edges, moab::Interface::UNION);
531 ref_edges = intersect(ref_edges, edges);
533 CHKERR moab_ref.get_entities_by_type(meshset, MBEDGE, ents,
true);
534 ref_edges = intersect(ref_edges, ents);
537 ->getEntitiesByTypeAndRefLevel(
539 CHKERR m_ref->addVerticesInTheMiddleOfEdges(
543 ->updateMeshsetByEntitiesChildren(meshset,
545 meshset, MBEDGE, true);
546 }
547
548
551 ->getEntitiesByTypeAndRefLevel(
BitRefLevel().set(max_level),
553 tets);
554
557 }
558
560 int tt = 0;
561 for (Range::iterator tit = tets.begin(); tit != tets.end();
562 tit++, tt++) {
563 int num_nodes;
565 CHKERR moab_ref.get_connectivity(*tit, conn, num_nodes,
false);
566 CHKERR moab_ref.get_coords(conn, num_nodes, &ref_coords(tt, 0));
567 }
568
569 auto &data = fe_ptr->dataOnElement[
H1];
570 const size_t nb_gauss_pts = fe_ptr->gaussPts.size2();
571 MatrixDouble ref_gauss_pts(4, nb_gauss_pts * ref_coords.size1());
573 data->dataOnEntities[MBVERTEX][0].getN(
NOBASE);
574 int gg = 0;
575 for (size_t tt = 0; tt != ref_coords.size1(); tt++) {
576 double *tet_coords = &ref_coords(tt, 0);
578 det *= 6;
579 for (size_t ggg = 0; ggg != nb_gauss_pts; ++ggg, ++gg) {
580 for (
int dd = 0;
dd != 3;
dd++) {
581 ref_gauss_pts(dd, gg) =
582 shape_n(ggg, 0) * tet_coords[3 * 0 +
dd] +
583 shape_n(ggg, 1) * tet_coords[3 * 1 +
dd] +
584 shape_n(ggg, 2) * tet_coords[3 * 2 +
dd] +
585 shape_n(ggg, 3) * tet_coords[3 * 3 +
dd];
586 }
587 ref_gauss_pts(3, gg) = fe_ptr->gaussPts(3, ggg) * det;
588 }
589 }
590
591 mapRefCoords[singular_nodes.to_ulong()].swap(ref_gauss_pts);
593
595 };
596
597 CHKERR refine_quadrature();
598 }
599 }
600 }
601
603 }
#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_3D_TABLE_SIZE
static QUAD *const QUAD_3D_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.