290 {
292
294
296
297 try {
299 } catch (const out_of_range &e) {
300 SETERRQ1(
302 "Generation of reference elements for type <%s> is not implemented",
303 moab::CN::EntityTypeName(type));
304 }
305
306 auto set_gauss_pts = [&](auto &level_gauss_pts_on_ref_mesh, auto &level_ref,
307 auto &level_shape_functions,
308
309 auto start_vert_handle, auto start_ele_handle,
310 auto &verts_array, auto &conn, auto &ver_count,
311 auto &ele_count
312
313 ) {
315
317 level = std::min(level, level_gauss_pts_on_ref_mesh.size() - 1);
318
319 auto &level_ref_gauss_pts = level_gauss_pts_on_ref_mesh[level];
320 auto &level_ref_ele = level_ref[level];
321 auto &shape_functions = level_shape_functions[level];
322 E::gaussPts.resize(level_ref_gauss_pts.size1(), level_ref_gauss_pts.size2(),
323 false);
324 noalias(E::gaussPts) = level_ref_gauss_pts;
325
326 const auto fe_ent = E::numeredEntFiniteElementPtr->getEnt();
327 auto get_fe_coords = [&]() {
329 int num_nodes;
331 E::mField.get_moab().get_connectivity(fe_ent, conn, num_nodes, true),
332 "error get connectivity");
335 E::mField.get_moab().get_coords(conn, num_nodes, &*coords.begin()),
336 "error get coordinates");
337 return coords;
338 };
339
340 auto coords = get_fe_coords();
341
342 const int num_nodes = level_ref_gauss_pts.size2();
344
347 &*shape_functions.data().begin());
349 &verts_array[0][ver_count], &verts_array[1][ver_count],
350 &verts_array[2][ver_count]);
351 for (int gg = 0; gg != num_nodes; ++gg, ++ver_count) {
352
354
355 auto set_float_precision = [](const double x) {
356 if (std::abs(x) < std::numeric_limits<float>::epsilon())
357 return 0.;
358 else
359 return x;
360 };
361
363 auto t_ele_coords = getFTensor1FromArray<3, 3>(coords);
364 for (int nn = 0; nn != CN::VerticesPerEntity(type); ++nn) {
365 t_coords(
i) += t_n * t_ele_coords(
i);
366 ++t_ele_coords;
367 ++t_n;
368 }
369
370 for (auto ii : {0, 1, 2})
371 t_coords(ii) = set_float_precision(t_coords(ii));
372
373 ++t_coords;
374 }
375
377 int def_in_the_loop = -1;
379 "NB_IN_THE_LOOP", 1, MB_TYPE_INTEGER,
th, MB_TAG_CREAT | MB_TAG_SPARSE,
380 &def_in_the_loop);
381
383 const int num_el = level_ref_ele.size1();
384 const int num_nodes_on_ele = level_ref_ele.size2();
385 auto start_e = start_ele_handle + ele_count;
387 for (auto tt = 0; tt != level_ref_ele.size1(); ++tt, ++ele_count) {
388 for (int nn = 0; nn != num_nodes_on_ele; ++nn) {
389 conn[num_nodes_on_ele * ele_count + nn] =
391 }
392 }
393
394 const int n_in_the_loop = E::nInTheLoop;
396 &n_in_the_loop);
398
400 };
401
403
404 ref_ele->levelGaussPtsOnRefMesh, ref_ele->levelRef,
405 ref_ele->levelShapeFunctions,
406
407 ref_ele->startingVertEleHandle, ref_ele->startingEleHandle,
408 ref_ele->verticesOnEleArrays, ref_ele->eleConn, ref_ele->countVertEle,
409 ref_ele->countEle
410
411 );
412
414};
#define CHK_MOAB_THROW(err, msg)
Check error code of MoAB function and throw MoFEM exception.
FTensor::Index< 'i', SPACE_DIM > i
UBlasVector< double > VectorDouble
auto type_from_handle(const EntityHandle h)
get type from entity handle
virtual MoFEMErrorCode transferTags()