Nektar++
Field.hpp
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1////////////////////////////////////////////////////////////////////////////////
2//
3// File: Field.hpp
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6//
7// The MIT License
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9// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
10// Department of Aeronautics, Imperial College London (UK), and Scientific
11// Computing and Imaging Institute, University of Utah (USA).
12//
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30//
31// Description: Field converter module base classes.
32//
33////////////////////////////////////////////////////////////////////////////////
34
35#ifndef FIELDUTILS_FIELD
36#define FIELDUTILS_FIELD
37
38#include <LibUtilities/BasicUtils/NekFactory.hpp>
39#include <LibUtilities/BasicUtils/PtsField.h>
40#include <LibUtilities/BasicUtils/PtsIO.h>
41#include <LibUtilities/BasicUtils/SessionReader.h>
42#include <LibUtilities/BasicUtils/SharedArray.hpp>
43#include <SpatialDomains/MeshGraph.h>
44#include <boost/program_options.hpp>
45#include <iomanip>
46#include <memory>
47
48#include <MultiRegions/ContField.h>
49#include <MultiRegions/ContField3DHomogeneous1D.h>
50#include <MultiRegions/ContField3DHomogeneous2D.h>
51#include <MultiRegions/ExpList2DHomogeneous1D.h>
52
53#include "FieldUtilsDeclspec.h"
54
55namespace po = boost::program_options;
56
57namespace Nektar
58{
59namespace FieldUtils
60{
61
62struct Field
63{
64 FIELD_UTILS_EXPORT Field()
65 : m_verbose(false), m_declareExpansionAsContField(false),
66 m_declareExpansionAsDisContField(false),
67 m_requireBoundaryExpansion(false), m_writeBndFld(false),
68 m_addNormals(false), m_fieldPts(LibUtilities::NullPtsField)
69 {
70 }
71
72 FIELD_UTILS_EXPORT ~Field()
73 {
74 if (m_comm)
75 {
76 m_comm->Finalise();
77 }
78 }
79 bool m_verbose;
80 std::vector<LibUtilities::FieldDefinitionsSharedPtr> m_fielddef;
81 std::vector<std::vector<double>> m_data;
82 std::vector<MultiRegions::ExpListSharedPtr> m_exp;
83
84 std::vector<std::string> m_variables;
85
86 int m_numHomogeneousDir;
87
88 bool m_declareExpansionAsContField;
89 bool m_declareExpansionAsDisContField;
90
91 bool m_requireBoundaryExpansion;
92
93 bool m_useFFT;
94
95 LibUtilities::CommSharedPtr m_comm;
96 LibUtilities::CommSharedPtr m_defComm;
97 LibUtilities::CommSharedPtr m_partComm;
98 int m_nParts = 1;
99 po::variables_map m_vm;
100
101 LibUtilities::SessionReaderSharedPtr m_session;
102 SpatialDomains::MeshGraphSharedPtr m_graph;
103 std::map<std::string, std::vector<std::string>> m_inputfiles;
104
105 bool m_writeBndFld;
106 std::vector<unsigned int> m_bndRegionsToWrite;
107 bool m_addNormals;
108
109 LibUtilities::PtsFieldSharedPtr m_fieldPts;
110
111 LibUtilities::FieldMetaDataMap m_fieldMetaDataMap;
112
113 FIELD_UTILS_EXPORT void SetUpExp(boost::program_options::variables_map &vm)
114 {
115 if (m_graph && !m_exp.size())
116 {
117 CreateExp(vm, true);
118 }
119 else if (m_graph && m_data.size())
120 {
121 CreateExp(vm, false);
122 }
123 }
124
125 FIELD_UTILS_EXPORT void CreateExp(boost::program_options::variables_map &vm,
126 bool newExp)
127 {
128
129 bool fldfilegiven = (m_fielddef.size() != 0);
130 if (newExp)
131 {
132 LibUtilities::Timer timerpart;
133 if (m_verbose)
134 {
135 if (m_comm->TreatAsRankZero())
136 {
137 timerpart.Start();
138 }
139 }
140 // check to see if fld file defined so can use in
141 // expansion defintion if required
142
143 bool expFromFld = fldfilegiven && !vm.count("useSessionExpansion");
144
145 // load fielddef header if fld file is defined. This gives
146 // precedence to Homogeneous definition in fld file
147 m_numHomogeneousDir = 0;
148 if (expFromFld)
149 {
150 m_numHomogeneousDir = m_fielddef[0]->m_numHomogeneousDir;
151
152 // Set up Expansion information to use mode order from field
153 m_graph->SetExpansionInfo(m_fielddef);
154 }
155 else
156 {
157 if (m_session->DefinesSolverInfo("HOMOGENEOUS"))
158 {
159 std::string HomoStr =
160 m_session->GetSolverInfo("HOMOGENEOUS");
161
162 if ((HomoStr == "HOMOGENEOUS1D") ||
163 (HomoStr == "Homogeneous1D") || (HomoStr == "1D") ||
164 (HomoStr == "Homo1D"))
165 {
166 m_numHomogeneousDir = 1;
167 }
168 if ((HomoStr == "HOMOGENEOUS2D") ||
169 (HomoStr == "Homogeneous2D") || (HomoStr == "2D") ||
170 (HomoStr == "Homo2D"))
171 {
172 m_numHomogeneousDir = 2;
173 }
174 }
175 }
176
177 m_exp.resize(1);
178 // Check if there are any elements to process
179 std::vector<int> IDs;
180 auto domain = m_graph->GetDomain();
181 for (size_t d = 0; d < domain.size(); ++d)
182 {
183 for (auto &compIter : domain[d])
184 {
185 for (auto &x : compIter.second->m_geomVec)
186 {
187 IDs.push_back(x->GetGlobalID());
188 }
189 }
190 }
191 // if Range has been specified it is possible to have a
192 // partition which is empty so check this and return with empty
193 // expansion if no elements present.
194 if (!IDs.size())
195 {
196 m_exp[0] =
197 MemoryManager<MultiRegions::ExpList>::AllocateSharedPtr();
198
199 return;
200 }
201
202 // Adjust number of quadrature points
203 if (vm.count("output-points"))
204 {
205 int nPointsNew = vm["output-points"].as<int>();
206 m_graph->SetExpansionInfoToPointOrder(nPointsNew);
207 }
208
209 if (m_verbose)
210 {
211 if (m_comm->TreatAsRankZero())
212 {
213 timerpart.Stop();
214 NekDouble cpuTime = timerpart.TimePerTest(1);
215
216 std::stringstream ss;
217 ss << cpuTime << "s";
218 std::cout << "\t CreateExp setexpansion CPU Time: "
219 << std::setw(8) << std::left << ss.str()
220 << std::endl;
221 timerpart.Start();
222 }
223 }
224 // Override number of planes with value from cmd line
225 if (m_numHomogeneousDir == 1 && vm.count("output-points-hom-z"))
226 {
227 int expdim = m_graph->GetMeshDimension();
228 m_fielddef[0]->m_numModes[expdim] =
229 vm["output-points-hom-z"].as<int>();
230 }
231 m_exp[0] = SetUpFirstExpList(m_numHomogeneousDir, expFromFld);
232 if (m_verbose)
233 {
234 if (m_comm->TreatAsRankZero())
235 {
236 timerpart.Stop();
237 NekDouble cpuTime = timerpart.TimePerTest(1);
238
239 std::stringstream ss1;
240
241 ss1 << cpuTime << "s";
242 std::cout << "\t CreateExp set first exp CPU Time: "
243 << std::setw(8) << std::left << ss1.str()
244 << std::endl;
245 }
246 }
247 }
248
249 if (fldfilegiven)
250 {
251 size_t i, j, nfields, nstrips;
252 m_session->LoadParameter("Strip_Z", nstrips, 1);
253 std::vector<std::string> vars = m_session->GetVariables();
254
255 if (vm.count("useSessionVariables"))
256 {
257 m_variables = vars;
258 }
259 nfields = m_variables.size();
260
261 m_exp.resize(nfields * nstrips);
262 // declare other fields;
263 for (size_t s = 0; s < nstrips; ++s) // homogeneous strip varient
264 {
265 for (i = 0; i < nfields; ++i)
266 {
267 if (i < vars.size())
268 {
269 // check to see if field already defined
270 if (!m_exp[s * nfields + i])
271 {
272 m_exp[s * nfields + i] =
273 AppendExpList(m_numHomogeneousDir, vars[i]);
274 }
275 }
276 else
277 {
278 if (vars.size())
279 {
280 m_exp[s * nfields + i] =
281 AppendExpList(m_numHomogeneousDir, vars[0]);
282 }
283 else
284 {
285 m_exp[s * nfields + i] =
286 AppendExpList(m_numHomogeneousDir);
287 }
288 }
289 }
290 }
291
292 // Extract data to coeffs and bwd transform
293 for (size_t s = 0; s < nstrips; ++s) // homogeneous strip varient
294 {
295 for (j = 0; j < nfields; ++j)
296 {
297 for (i = 0; i < m_data.size() / nstrips; ++i)
298 {
299 size_t n = i * nstrips + s;
300 // In case of multiple flds, we might not have a
301 // variable in this m_data[n] -> skip in this case
302 auto it =
303 find(m_fielddef[n]->m_fields.begin(),
304 m_fielddef[n]->m_fields.end(), m_variables[j]);
305 if (it != m_fielddef[n]->m_fields.end())
306 {
307 m_exp[s * nfields + j]->ExtractDataToCoeffs(
308 m_fielddef[n], m_data[n], m_variables[j],
309 m_exp[s * nfields + j]->UpdateCoeffs());
310 }
311 }
312 m_exp[s * nfields + j]->BwdTrans(
313 m_exp[s * nfields + j]->GetCoeffs(),
314 m_exp[s * nfields + j]->UpdatePhys());
315 }
316 }
317 // Clear fielddef and data
318 // (they should not be used after running this module)
319 m_fielddef = std::vector<LibUtilities::FieldDefinitionsSharedPtr>();
320 m_data = std::vector<std::vector<NekDouble>>();
321 }
322 }
323
324 FIELD_UTILS_EXPORT MultiRegions::ExpListSharedPtr SetUpFirstExpList(
325 int NumHomogeneousDir, bool fldfilegiven = false)
326 {
327
328 MultiRegions::ExpListSharedPtr exp;
329
330 // Set up expansion list
331 int expdim = m_graph->GetMeshDimension();
332 bool dealiasing = false;
333
334 m_session->MatchSolverInfo("USEFFT", "FFTW", m_useFFT, false);
335
336 switch (expdim)
337 {
338 case 1:
339 {
340 ASSERTL0(NumHomogeneousDir <= 2,
341 "Quasi-3D approach is only set up for 1 or 2 "
342 "homogeneous directions");
343
344 if (NumHomogeneousDir == 1)
345 {
346 MultiRegions::ExpList2DHomogeneous1DSharedPtr Exp2DH1;
347
348 // Define Homogeneous expansion
349 int nplanes;
350 NekDouble ly;
351 LibUtilities::BasisType btype;
352
353 if (fldfilegiven)
354 {
355 nplanes = m_fielddef[0]->m_numModes[1];
356 ly = m_fielddef[0]->m_homogeneousLengths[0];
357 btype = m_fielddef[0]->m_basis[1];
358 }
359 else
360 {
361 m_session->LoadParameter("HomModesZ", nplanes);
362 m_session->LoadParameter("LY", ly);
363 btype = LibUtilities::eFourier;
364 }
365
366 // Choose points to be at evenly spaced points at
367 // nplanes points
368 const LibUtilities::PointsKey Pkey(
369 nplanes, LibUtilities::eFourierEvenlySpaced);
370
371 const LibUtilities::BasisKey Bkey(btype, nplanes, Pkey);
372
373 if (m_declareExpansionAsContField ||
374 m_declareExpansionAsDisContField)
375 {
376 ASSERTL0(false, "ContFieldHomogeneous1D or "
377 "DisContFieldHomogenenous1D has "
378 "not been implemented");
379 }
380
381 Exp2DH1 =
382 MemoryManager<MultiRegions::ExpList2DHomogeneous1D>::
383 AllocateSharedPtr(m_session, Bkey, ly, m_useFFT,
384 dealiasing, m_graph,
385 Collections::eNoCollection);
386 exp = Exp2DH1;
387 }
388 else if (NumHomogeneousDir == 2)
389 {
390 MultiRegions::ExpList3DHomogeneous2DSharedPtr Exp3DH2;
391
392 int nylines, nzlines;
393 NekDouble ly, lz;
394 LibUtilities::BasisType btype1, btype2;
395
396 if (fldfilegiven)
397 {
398 nylines = m_fielddef[0]->m_numModes[1];
399 nzlines = m_fielddef[0]->m_numModes[2];
400 ly = m_fielddef[0]->m_homogeneousLengths[0];
401 lz = m_fielddef[0]->m_homogeneousLengths[1];
402 btype1 = m_fielddef[0]->m_basis[1];
403 btype2 = m_fielddef[0]->m_basis[2];
404 }
405 else
406 {
407 m_session->LoadParameter("HomModesY", nylines);
408 m_session->LoadParameter("HomModesZ", nzlines);
409 m_session->LoadParameter("LY", ly);
410 m_session->LoadParameter("LZ", lz);
411 btype1 = LibUtilities::eFourier;
412 btype2 = LibUtilities::eFourier;
413 }
414
415 // Choose points to be at evenly spaced points at
416 // nplanes points
417 const LibUtilities::PointsKey PkeyY(
418 nylines, LibUtilities::eFourierEvenlySpaced);
419 const LibUtilities::BasisKey BkeyY(btype1, nylines, PkeyY);
420
421 const LibUtilities::PointsKey PkeyZ(
422 nzlines, LibUtilities::eFourierEvenlySpaced);
423 const LibUtilities::BasisKey BkeyZ(btype2, nzlines, PkeyZ);
424
425 if (m_declareExpansionAsContField)
426 {
427 Exp3DH2 = MemoryManager<
428 MultiRegions::ContField3DHomogeneous2D>::
429 AllocateSharedPtr(m_session, BkeyY, BkeyZ, ly, lz,
430 m_useFFT, dealiasing, m_graph,
431 m_session->GetVariable(0),
432 Collections::eNoCollection);
433 }
434 else if (m_declareExpansionAsDisContField)
435 {
436 Exp3DH2 = MemoryManager<
437 MultiRegions::DisContField3DHomogeneous2D>::
438 AllocateSharedPtr(m_session, BkeyY, BkeyZ, ly, lz,
439 m_useFFT, dealiasing, m_graph,
440 m_session->GetVariable(0),
441 Collections::eNoCollection);
442 }
443 else
444 {
445 Exp3DH2 = MemoryManager<
446 MultiRegions::ExpList3DHomogeneous2D>::
447 AllocateSharedPtr(m_session, BkeyY, BkeyZ, ly, lz,
448 m_useFFT, dealiasing, m_graph,
449 Collections::eNoCollection);
450 }
451
452 exp = Exp3DH2;
453 }
454 else
455 {
456 MultiRegions::ExpListSharedPtr Exp1D;
457
458 if (m_declareExpansionAsContField)
459 {
460 Exp1D = MemoryManager<MultiRegions::ContField>::
461 AllocateSharedPtr(
462 m_session, m_graph, m_session->GetVariable(0),
463 true, false, Collections::eNoCollection);
464 }
465 else if (m_declareExpansionAsDisContField)
466 {
467 Exp1D = MemoryManager<MultiRegions::DisContField>::
468 AllocateSharedPtr(m_session, m_graph,
469 m_session->GetVariable(0), true,
470 Collections::eNoCollection);
471 }
472 else
473 {
474 Exp1D = MemoryManager<MultiRegions::ExpList>::
475 AllocateSharedPtr(m_session, m_graph, true,
476 "DefaultVar",
477 Collections::eNoCollection);
478 }
479
480 exp = Exp1D;
481 }
482 }
483 break;
484 case 2:
485 {
486 ASSERTL0(NumHomogeneousDir <= 1,
487 "NumHomogeneousDir is only set up for 1");
488
489 if (NumHomogeneousDir == 1)
490 {
491 MultiRegions::ExpList3DHomogeneous1DSharedPtr Exp3DH1;
492
493 // Define Homogeneous expansion
494 int nplanes;
495 NekDouble lz;
496 LibUtilities::BasisType btype;
497 LibUtilities::PointsType ptype =
498 LibUtilities::eFourierEvenlySpaced;
499
500 if (fldfilegiven)
501 {
502 nplanes = m_fielddef[0]->m_numModes[2];
503 lz = m_fielddef[0]->m_homogeneousLengths[0];
504 btype = m_fielddef[0]->m_basis[2];
505
506 if (btype == LibUtilities::eFourierSingleMode)
507 {
508 btype = LibUtilities::eFourier;
509 m_fielddef[0]->m_basis[2] =
510 LibUtilities::eFourierSingleMode;
511 if (nplanes <= 2)
512 {
513 nplanes = 4;
514 }
515 }
516 else if (btype == LibUtilities::eFourierHalfModeRe &&
517 nplanes == 1)
518 {
519 ptype = LibUtilities::ePolyEvenlySpaced;
520 }
521 }
522 else
523 {
524 m_session->LoadParameter("HomModesZ", nplanes);
525 m_session->LoadParameter("LZ", lz);
526 btype = LibUtilities::eFourier;
527 }
528 // Choose points to be at evenly spaced points at
529 // nplanes points
530 const LibUtilities::PointsKey Pkey(nplanes, ptype);
531
532 const LibUtilities::BasisKey Bkey(btype, nplanes, Pkey);
533
534 if (m_declareExpansionAsContField)
535 {
536 Exp3DH1 = MemoryManager<
537 MultiRegions::ContField3DHomogeneous1D>::
538 AllocateSharedPtr(m_session, Bkey, lz, m_useFFT,
539 dealiasing, m_graph,
540 m_session->GetVariable(0),
541 Collections::eNoCollection);
542 }
543
544 else if (m_declareExpansionAsDisContField)
545 {
546 Exp3DH1 = MemoryManager<
547 MultiRegions::DisContField3DHomogeneous1D>::
548 AllocateSharedPtr(m_session, Bkey, lz, m_useFFT,
549 dealiasing, m_graph,
550 m_session->GetVariable(0),
551 Collections::eNoCollection);
552 }
553
554 else
555 {
556 Exp3DH1 = MemoryManager<
557 MultiRegions::ExpList3DHomogeneous1D>::
558 AllocateSharedPtr(m_session, Bkey, lz, m_useFFT,
559 dealiasing, m_graph, "DefaultVar",
560 Collections::eNoCollection);
561 }
562 exp = Exp3DH1;
563 }
564 else
565 {
566 MultiRegions::ExpListSharedPtr Exp2D;
567
568 if (m_declareExpansionAsContField)
569 {
570 Exp2D = MemoryManager<MultiRegions::ContField>::
571 AllocateSharedPtr(
572 m_session, m_graph, m_session->GetVariable(0),
573 true, false, Collections::eNoCollection);
574 }
575
576 else if (m_declareExpansionAsDisContField)
577 {
578 Exp2D = MemoryManager<MultiRegions::DisContField>::
579 AllocateSharedPtr(m_session, m_graph,
580 m_session->GetVariable(0), true,
581 true, Collections::eNoCollection);
582 }
583 else
584 {
585 Exp2D = MemoryManager<MultiRegions::ExpList>::
586 AllocateSharedPtr(m_session, m_graph, true,
587 "DefaultVar",
588 Collections::eNoCollection);
589 }
590
591 exp = Exp2D;
592 }
593 }
594 break;
595 case 3:
596 {
597 MultiRegions::ExpListSharedPtr Exp3D;
598
599 if (m_declareExpansionAsContField)
600 {
601 Exp3D = MemoryManager<MultiRegions::ContField>::
602 AllocateSharedPtr(m_session, m_graph,
603 m_session->GetVariable(0), true,
604 false, Collections::eNoCollection);
605 }
606 else if (m_declareExpansionAsDisContField)
607 {
608 Exp3D = MemoryManager<MultiRegions::DisContField>::
609 AllocateSharedPtr(m_session, m_graph,
610 m_session->GetVariable(0), true,
611 Collections::eNoCollection);
612 }
613 else
614 {
615 Exp3D =
616 MemoryManager<MultiRegions::ExpList>::AllocateSharedPtr(
617 m_session, m_graph, true, "DefaultVar",
618 Collections::eNoCollection);
619 }
620
621 exp = Exp3D;
622 }
623 break;
624 default:
625 ASSERTL0(false, "Expansion dimension not recognised");
626 break;
627 }
628
629 return exp;
630 };
631
632 /**
633 * @brief Construct a FieldIO object for the file @p filename.
634 *
635 * This routine constructs an appropriate FieldIO object for a filename
636 * through the LibUtilities::FieldIO::GetFileType function to detect the
637 * file format. The result is then cached in Field::m_fld to avoid needing
638 * to repeatedly construct the object.
639 *
640 * @param filename Filename to open.
641 * @return Reader for @p filename.
642 */
643 FIELD_UTILS_EXPORT LibUtilities::FieldIOSharedPtr FieldIOForFile(
644 std::string filename)
645 {
646 LibUtilities::CommSharedPtr c = m_comm;
647 std::string fmt = LibUtilities::FieldIO::GetFileType(filename, c);
648
649 auto it = m_fld.find(fmt);
650
651 if (it == m_fld.end())
652 {
653 LibUtilities::FieldIOSharedPtr fld =
654 LibUtilities::GetFieldIOFactory().CreateInstance(fmt, c, true);
655 m_fld[fmt] = fld;
656 return fld;
657 }
658 else
659 {
660 return it->second;
661 }
662 }
663
664 FIELD_UTILS_EXPORT MultiRegions::ExpListSharedPtr AppendExpList(
665 int NumHomogeneousDir, std::string var = "DefaultVar",
666 bool NewField = false)
667 {
668 if (var.compare("DefaultVar") == 0 && m_requireBoundaryExpansion)
669 {
670 if (m_session->GetVariables().size())
671 {
672 var = m_session->GetVariables()[0];
673 }
674 }
675 MultiRegions::ExpListSharedPtr tmp;
676 switch (m_graph->GetMeshDimension())
677 {
678 case 1:
679 {
680 if (NumHomogeneousDir == 1)
681 {
682 ASSERTL0(!(m_declareExpansionAsContField ||
683 m_declareExpansionAsDisContField),
684 "ContFieldHomogeneous1D or "
685 "DisContFieldHomogenenous1D has not been "
686 "implemented");
687
688 MultiRegions::ExpList2DHomogeneous1DSharedPtr tmp2 =
689 std::dynamic_pointer_cast<
690 MultiRegions::ExpList2DHomogeneous1D>(m_exp[0]);
691
692 tmp = MemoryManager<MultiRegions::ExpList2DHomogeneous1D>::
693 AllocateSharedPtr(*tmp2);
694 }
695 else if (NumHomogeneousDir == 2)
696 {
697 if (m_declareExpansionAsContField)
698 {
699 MultiRegions::ContField3DHomogeneous2DSharedPtr tmp2 =
700 std::dynamic_pointer_cast<
701 MultiRegions::ContField3DHomogeneous2D>(
702 m_exp[0]);
703
704 tmp = MemoryManager<
705 MultiRegions::ContField3DHomogeneous2D>::
706 AllocateSharedPtr(*tmp2);
707 }
708 else if (m_declareExpansionAsDisContField)
709 {
710 MultiRegions::DisContField3DHomogeneous2DSharedPtr
711 tmp2 = std::dynamic_pointer_cast<
712 MultiRegions::DisContField3DHomogeneous2D>(
713 m_exp[0]);
714
715 tmp = MemoryManager<
716 MultiRegions::DisContField3DHomogeneous2D>::
717 AllocateSharedPtr(*tmp2);
718 }
719 else
720 {
721 MultiRegions::ExpList3DHomogeneous2DSharedPtr tmp2 =
722 std::dynamic_pointer_cast<
723 MultiRegions::ExpList3DHomogeneous2D>(m_exp[0]);
724
725 tmp = MemoryManager<
726 MultiRegions::ExpList3DHomogeneous2D>::
727 AllocateSharedPtr(*tmp2);
728 }
729 }
730 else
731 {
732 if (m_declareExpansionAsContField)
733 {
734 MultiRegions::ContFieldSharedPtr tmp2 =
735 std::dynamic_pointer_cast<MultiRegions::ContField>(
736 m_exp[0]);
737
738 tmp = MemoryManager<MultiRegions::ContField>::
739 AllocateSharedPtr(m_session, m_graph, var, true,
740 false,
741 Collections::eNoCollection);
742 }
743 else if (m_declareExpansionAsDisContField)
744 {
745 MultiRegions::DisContFieldSharedPtr tmp2 =
746 std::dynamic_pointer_cast<
747 MultiRegions::DisContField>(m_exp[0]);
748
749 tmp = MemoryManager<MultiRegions::DisContField>::
750 AllocateSharedPtr(m_session, m_graph, var, true,
751 Collections::eNoCollection);
752 }
753 else
754 {
755 MultiRegions::ExpListSharedPtr tmp2 =
756 std::dynamic_pointer_cast<MultiRegions::ExpList>(
757 m_exp[0]);
758
759 tmp = MemoryManager<
760 MultiRegions::ExpList>::AllocateSharedPtr(*tmp2);
761 }
762 }
763 }
764 break;
765 case 2:
766 {
767 if (NumHomogeneousDir == 1)
768 {
769 if (m_declareExpansionAsContField)
770 {
771 if (NewField)
772 {
773 bool dealiasing = false;
774
775 tmp = MemoryManager<
776 MultiRegions::ContField3DHomogeneous1D>::
777 AllocateSharedPtr(m_session,
778 m_exp[0]
779 ->GetHomogeneousBasis()
780 ->GetBasisKey(),
781 m_exp[0]->GetHomoLen(),
782 m_useFFT, dealiasing, m_graph,
783 var,
784 Collections::eNoCollection);
785 }
786 else
787 {
788 MultiRegions::ContField3DHomogeneous1DSharedPtr
789 tmp2 = std::dynamic_pointer_cast<
790 MultiRegions::ContField3DHomogeneous1D>(
791 m_exp[0]);
792
793 ASSERTL0(tmp2, "Failed to type cast m_exp[0]");
794 tmp = MemoryManager<
795 MultiRegions::ContField3DHomogeneous1D>::
796 AllocateSharedPtr(*tmp2, m_graph, var);
797 }
798 }
799 else if (m_declareExpansionAsDisContField)
800 {
801 if (NewField)
802 {
803 bool dealiasing = false;
804
805 tmp = MemoryManager<
806 MultiRegions::DisContField3DHomogeneous1D>::
807 AllocateSharedPtr(m_session,
808 m_exp[0]
809 ->GetHomogeneousBasis()
810 ->GetBasisKey(),
811 m_exp[0]->GetHomoLen(),
812 m_useFFT, dealiasing, m_graph,
813 var,
814 Collections::eNoCollection);
815 }
816 else
817 {
818 MultiRegions::DisContField3DHomogeneous1DSharedPtr
819 tmp2 = std::dynamic_pointer_cast<
820 MultiRegions::DisContField3DHomogeneous1D>(
821 m_exp[0]);
822 ASSERTL0(tmp2, "Failed to type cast m_exp[0]");
823
824 tmp = MemoryManager<
825 MultiRegions::DisContField3DHomogeneous1D>::
826 AllocateSharedPtr(*tmp2);
827 }
828 }
829 else
830 {
831 if (NewField)
832 {
833 bool dealiasing = false;
834
835 tmp = MemoryManager<
836 MultiRegions::ExpList3DHomogeneous1D>::
837 AllocateSharedPtr(m_session,
838 m_exp[0]
839 ->GetHomogeneousBasis()
840 ->GetBasisKey(),
841 m_exp[0]->GetHomoLen(),
842 m_useFFT, dealiasing, m_graph,
843 "DefaultVar",
844 Collections::eNoCollection);
845 }
846 else
847 {
848 MultiRegions::ExpList3DHomogeneous1DSharedPtr tmp2 =
849 std::dynamic_pointer_cast<
850 MultiRegions::ExpList3DHomogeneous1D>(
851 m_exp[0]);
852 ASSERTL0(tmp2, "Failed to type cast m_exp[0]");
853
854 tmp = MemoryManager<
855 MultiRegions::ExpList3DHomogeneous1D>::
856 AllocateSharedPtr(*tmp2);
857 }
858 }
859 }
860 else
861 {
862 if (m_declareExpansionAsContField)
863 {
864 if (NewField)
865 {
866 tmp = MemoryManager<MultiRegions::ContField>::
867 AllocateSharedPtr(m_session, m_graph, var, true,
868 false,
869 Collections::eNoCollection);
870 }
871 else // call copy constructor
872 {
873
874 MultiRegions::ContFieldSharedPtr tmp2 =
875 std::dynamic_pointer_cast<
876 MultiRegions::ContField>(m_exp[0]);
877
878 tmp = MemoryManager<MultiRegions::ContField>::
879 AllocateSharedPtr(*tmp2, m_graph, var);
880 }
881 }
882 else if (m_declareExpansionAsDisContField)
883 {
884 if (NewField)
885 {
886 tmp = MemoryManager<MultiRegions::DisContField>::
887 AllocateSharedPtr(m_session, m_graph, var, true,
888 true,
889 Collections::eNoCollection);
890 }
891 else // call copy constructor
892 {
893 MultiRegions::DisContFieldSharedPtr tmp2 =
894 std::dynamic_pointer_cast<
895 MultiRegions::DisContField>(m_exp[0]);
896
897 tmp = MemoryManager<MultiRegions::DisContField>::
898 AllocateSharedPtr(*tmp2, m_graph, var);
899 }
900 }
901 else
902 {
903 MultiRegions::ExpListSharedPtr tmp2 =
904 std::dynamic_pointer_cast<MultiRegions::ExpList>(
905 m_exp[0]);
906
907 tmp = MemoryManager<
908 MultiRegions::ExpList>::AllocateSharedPtr(*tmp2);
909 }
910 }
911 }
912 break;
913 case 3:
914 {
915 if (m_declareExpansionAsContField)
916 {
917 if (NewField)
918 {
919 tmp = MemoryManager<MultiRegions::ContField>::
920 AllocateSharedPtr(m_session, m_graph, var, true,
921 false,
922 Collections::eNoCollection);
923 }
924 else
925 {
926 MultiRegions::ContFieldSharedPtr tmp2 =
927 std::dynamic_pointer_cast<MultiRegions::ContField>(
928 m_exp[0]);
929
930 tmp = MemoryManager<
931 MultiRegions::ContField>::AllocateSharedPtr(*tmp2,
932 m_graph,
933 var);
934 }
935 }
936 else if (m_declareExpansionAsDisContField)
937 {
938 if (NewField)
939 {
940 tmp = MemoryManager<MultiRegions::DisContField>::
941 AllocateSharedPtr(m_session, m_graph, var, true,
942 true, Collections::eNoCollection);
943 }
944 else
945 {
946 MultiRegions::DisContFieldSharedPtr tmp2 =
947 std::dynamic_pointer_cast<
948 MultiRegions::DisContField>(m_exp[0]);
949
950 tmp = MemoryManager<MultiRegions::DisContField>::
951 AllocateSharedPtr(*tmp2, m_graph, var);
952 }
953 }
954 else
955 {
956 MultiRegions::ExpListSharedPtr tmp2 =
957 std::dynamic_pointer_cast<MultiRegions::ExpList>(
958 m_exp[0]);
959
960 tmp =
961 MemoryManager<MultiRegions::ExpList>::AllocateSharedPtr(
962 *tmp2);
963 }
964 }
965 break;
966 default:
967 ASSERTL0(false, "Expansion dimension not recognised");
968 break;
969 }
970
971 return tmp;
972 }
973
974 FIELD_UTILS_EXPORT void ClearField()
975 {
976 m_session = LibUtilities::SessionReaderSharedPtr();
977 m_graph = SpatialDomains::MeshGraphSharedPtr();
978 m_fieldPts = LibUtilities::NullPtsField;
979 m_exp.clear();
980 m_fielddef = std::vector<LibUtilities::FieldDefinitionsSharedPtr>();
981 m_data = std::vector<std::vector<NekDouble>>();
982 m_variables.clear();
983 }
984
985private:
986 /// Map to store FieldIO instances. Key is the reader type, value is the
987 /// FieldIO object.
988 std::map<std::string, LibUtilities::FieldIOSharedPtr> m_fld;
989};
990
991typedef std::shared_ptr<Field> FieldSharedPtr;
992} // namespace FieldUtils
993} // namespace Nektar
994
995#endif
ASSERTL0
#define ASSERTL0(condition, msg)
Definition: ErrorUtil.hpp:215
FIELD_UTILS_EXPORT
#define FIELD_UTILS_EXPORT
Definition: FieldUtilsDeclspec.h:44
Nektar::LibUtilities::BasisKey
Describes the specification for a Basis.
Definition: Basis.h:47
Nektar::LibUtilities::FieldIO::GetFileType
static const std::string GetFileType(const std::string &filename, CommSharedPtr comm)
Determine file type of given input file.
Definition: FieldIO.cpp:97
Nektar::LibUtilities::NekFactory::CreateInstance
tBaseSharedPtr CreateInstance(tKey idKey, tParam... args)
Create an instance of the class referred to by idKey.
Definition: NekFactory.hpp:144
Nektar::LibUtilities::PointsKey
Defines a specification for a set of points.
Definition: Points.h:55
Nektar::LibUtilities::Timer::TimePerTest
NekDouble TimePerTest(unsigned int n)
Returns amount of seconds per iteration in a test with n iterations.
Definition: Timer.cpp:67
Nektar::MemoryManager
General purpose memory allocation routines with the ability to allocate from thread specific memory p...
Definition: NekMemoryManager.hpp:83
Nektar::MemoryManager::AllocateSharedPtr
static std::shared_ptr< DataType > AllocateSharedPtr(const Args &...args)
Allocate a shared pointer from the memory pool.
Definition: NekMemoryManager.hpp:168
Nektar::MultiRegions::ContField
This class is the abstraction of a global continuous two- dimensional spectral/hp element expansion w...
Definition: ContField.h:57
Nektar::MultiRegions::DisContField
This class is the abstractio n of a global discontinuous two- dimensional spectral/hp element expansi...
Definition: DisContField.h:58
Nektar::MultiRegions::ExpList2DHomogeneous1D
Abstraction of a two-dimensional multi-elemental expansion which is merely a collection of local expa...
Definition: ExpList2DHomogeneous1D.h:60
Nektar::MultiRegions::ExpList3DHomogeneous1D
Abstraction of a two-dimensional multi-elemental expansion which is merely a collection of local expa...
Definition: ExpList3DHomogeneous1D.h:62
Nektar::MultiRegions::ExpList3DHomogeneous2D
Abstraction of a one-dimensional multi-elemental expansion which is merely a collection of local expa...
Definition: ExpList3DHomogeneous2D.h:60
Nektar::MultiRegions::ExpList
Base class for all multi-elemental spectral/hp expansions.
Definition: ExpList.h:102
Nektar::FieldUtils::FieldSharedPtr
std::shared_ptr< Field > FieldSharedPtr
Definition: Field.hpp:991
Nektar::LibUtilities::FieldIOSharedPtr
std::shared_ptr< FieldIO > FieldIOSharedPtr
Definition: FieldIO.h:327
Nektar::LibUtilities::FieldMetaDataMap
std::map< std::string, std::string > FieldMetaDataMap
Definition: FieldIO.h:52
Nektar::LibUtilities::SessionReaderSharedPtr
std::shared_ptr< SessionReader > SessionReaderSharedPtr
Definition: SessionReader.h:115
Nektar::LibUtilities::PtsFieldSharedPtr
std::shared_ptr< PtsField > PtsFieldSharedPtr
Definition: PtsField.h:190
Nektar::LibUtilities::NullPtsField
static PtsFieldSharedPtr NullPtsField
Definition: PtsField.h:191
Nektar::LibUtilities::GetFieldIOFactory
FieldIOFactory & GetFieldIOFactory()
Returns the FieldIO factory.
Definition: FieldIO.cpp:72
Nektar::LibUtilities::eFourierEvenlySpaced
@ eFourierEvenlySpaced
1D Evenly-spaced points using Fourier Fit
Definition: PointsType.h:76
Nektar::LibUtilities::ePolyEvenlySpaced
@ ePolyEvenlySpaced
1D Evenly-spaced points using Lagrange polynomial
Definition: PointsType.h:75
Nektar::LibUtilities::CommSharedPtr
std::shared_ptr< Comm > CommSharedPtr
Pointer to a Communicator object.
Definition: Comm.h:57
Nektar::LibUtilities::eFourierSingleMode
@ eFourierSingleMode
Fourier ModifiedExpansion with just the first mode .
Definition: BasisType.h:66
Nektar::LibUtilities::eFourierHalfModeRe
@ eFourierHalfModeRe
Fourier Modified expansions with just the real part of the first mode .
Definition: BasisType.h:68
Nektar::LibUtilities::eFourier
@ eFourier
Fourier Expansion .
Definition: BasisType.h:57
Nektar::MultiRegions::DisContField3DHomogeneous2DSharedPtr
std::shared_ptr< DisContField3DHomogeneous2D > DisContField3DHomogeneous2DSharedPtr
Definition: DisContField3DHomogeneous2D.h:138
Nektar::MultiRegions::DisContField3DHomogeneous1DSharedPtr
std::shared_ptr< DisContField3DHomogeneous1D > DisContField3DHomogeneous1DSharedPtr
Definition: DisContField3DHomogeneous1D.h:219
Nektar::MultiRegions::DisContFieldSharedPtr
std::shared_ptr< DisContField > DisContFieldSharedPtr
Definition: DisContField.h:341
Nektar::MultiRegions::ContField3DHomogeneous2DSharedPtr
std::shared_ptr< ContField3DHomogeneous2D > ContField3DHomogeneous2DSharedPtr
Definition: ContField3DHomogeneous2D.h:98
Nektar::MultiRegions::ContField3DHomogeneous1DSharedPtr
std::shared_ptr< ContField3DHomogeneous1D > ContField3DHomogeneous1DSharedPtr
Definition: ContField3DHomogeneous1D.h:105
Nektar::MultiRegions::ExpListSharedPtr
std::shared_ptr< ExpList > ExpListSharedPtr
Shared pointer to an ExpList object.
Definition: LocTraceToTraceMap.h:56
Nektar::MultiRegions::ExpList2DHomogeneous1DSharedPtr
std::shared_ptr< ExpList2DHomogeneous1D > ExpList2DHomogeneous1DSharedPtr
Shared pointer to an ExpList2DHomogeneous1D object.
Definition: ExpList2DHomogeneous1D.h:52
Nektar::MultiRegions::ExpList3DHomogeneous2DSharedPtr
std::shared_ptr< ExpList3DHomogeneous2D > ExpList3DHomogeneous2DSharedPtr
Shared pointer to an ExpList3DHomogeneous2D object.
Definition: ExpList3DHomogeneous2D.h:52
Nektar::MultiRegions::ExpList3DHomogeneous1DSharedPtr
std::shared_ptr< ExpList3DHomogeneous1D > ExpList3DHomogeneous1DSharedPtr
Shared pointer to an ExpList3DHomogeneous1D object.
Definition: ExpList3DHomogeneous1D.h:54
Nektar::MultiRegions::ContFieldSharedPtr
std::shared_ptr< ContField > ContFieldSharedPtr
Definition: ContField.h:270
Nektar::SpatialDomains::MeshGraphSharedPtr
std::shared_ptr< MeshGraph > MeshGraphSharedPtr
Definition: MeshGraph.h:176
Nektar::StdRegions::find
InputIterator find(InputIterator first, InputIterator last, InputIterator startingpoint, const EqualityComparable &value)
Definition: StdRegions.hpp:453
Nektar::UnitTests::d
std::vector< double > d(NPUPPER *NPUPPER)
Nektar
The above copyright notice and this permission notice shall be included.
Definition: CoupledSolver.h:2
Nektar::NekDouble
double NekDouble
Definition: NektarUnivTypeDefs.hpp:43
Nektar::FieldUtils::Field::m_partComm
LibUtilities::CommSharedPtr m_partComm
Definition: Field.hpp:97
Nektar::FieldUtils::Field::SetUpFirstExpList
FIELD_UTILS_EXPORT MultiRegions::ExpListSharedPtr SetUpFirstExpList(int NumHomogeneousDir, bool fldfilegiven=false)
Definition: Field.hpp:324
Nektar::FieldUtils::Field::AppendExpList
FIELD_UTILS_EXPORT MultiRegions::ExpListSharedPtr AppendExpList(int NumHomogeneousDir, std::string var="DefaultVar", bool NewField=false)
Definition: Field.hpp:664
Nektar::FieldUtils::Field::m_declareExpansionAsDisContField
bool m_declareExpansionAsDisContField
Definition: Field.hpp:89
Nektar::FieldUtils::Field::m_vm
po::variables_map m_vm
Definition: Field.hpp:99
Nektar::FieldUtils::Field::m_graph
SpatialDomains::MeshGraphSharedPtr m_graph
Definition: Field.hpp:102
Nektar::FieldUtils::Field::m_variables
std::vector< std::string > m_variables
Definition: Field.hpp:84
Nektar::FieldUtils::Field::m_bndRegionsToWrite
std::vector< unsigned int > m_bndRegionsToWrite
Definition: Field.hpp:106
Nektar::FieldUtils::Field::m_session
LibUtilities::SessionReaderSharedPtr m_session
Definition: Field.hpp:101
Nektar::FieldUtils::Field::m_fld
std::map< std::string, LibUtilities::FieldIOSharedPtr > m_fld
Map to store FieldIO instances. Key is the reader type, value is the FieldIO object.
Definition: Field.hpp:988
Nektar::FieldUtils::Field::m_inputfiles
std::map< std::string, std::vector< std::string > > m_inputfiles
Definition: Field.hpp:103
Nektar::FieldUtils::Field::Field
FIELD_UTILS_EXPORT Field()
Definition: Field.hpp:64
Nektar::FieldUtils::Field::m_declareExpansionAsContField
bool m_declareExpansionAsContField
Definition: Field.hpp:88
Nektar::FieldUtils::Field::ClearField
FIELD_UTILS_EXPORT void ClearField()
Definition: Field.hpp:974
Nektar::FieldUtils::Field::m_fielddef
std::vector< LibUtilities::FieldDefinitionsSharedPtr > m_fielddef
Definition: Field.hpp:80
Nektar::FieldUtils::Field::SetUpExp
FIELD_UTILS_EXPORT void SetUpExp(boost::program_options::variables_map &vm)
Definition: Field.hpp:113
Nektar::FieldUtils::Field::m_fieldPts
LibUtilities::PtsFieldSharedPtr m_fieldPts
Definition: Field.hpp:109
Nektar::FieldUtils::Field::~Field
FIELD_UTILS_EXPORT ~Field()
Definition: Field.hpp:72
Nektar::FieldUtils::Field::m_data
std::vector< std::vector< double > > m_data
Definition: Field.hpp:81
Nektar::FieldUtils::Field::m_exp
std::vector< MultiRegions::ExpListSharedPtr > m_exp
Definition: Field.hpp:82
Nektar::FieldUtils::Field::m_comm
LibUtilities::CommSharedPtr m_comm
Definition: Field.hpp:95
Nektar::FieldUtils::Field::m_defComm
LibUtilities::CommSharedPtr m_defComm
Definition: Field.hpp:96
Nektar::FieldUtils::Field::CreateExp
FIELD_UTILS_EXPORT void CreateExp(boost::program_options::variables_map &vm, bool newExp)
Definition: Field.hpp:125
Nektar::FieldUtils::Field::FieldIOForFile
FIELD_UTILS_EXPORT LibUtilities::FieldIOSharedPtr FieldIOForFile(std::string filename)
Construct a FieldIO object for the file filename.
Definition: Field.hpp:643
Nektar::FieldUtils::Field::m_fieldMetaDataMap
LibUtilities::FieldMetaDataMap m_fieldMetaDataMap
Definition: Field.hpp:111
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