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FilterCheckpointCellModel.cpp
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File FilterCheckpoint.cpp
4 //
5 // For more information, please see: http://www.nektar.info
6 //
7 // The MIT License
8 //
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 //
13 // License for the specific language governing rights and limitations under
14 // Permission is hereby granted, free of charge, to any person obtaining a
15 // copy of this software and associated documentation files (the "Software"),
16 // to deal in the Software without restriction, including without limitation
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19 // Software is furnished to do so, subject to the following conditions:
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21 // The above copyright notice and this permission notice shall be included
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23 //
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
25 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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30 // DEALINGS IN THE SOFTWARE.
31 //
32 // Description: Outputs solution fields during time-stepping.
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
37 
38 namespace Nektar
39 {
41 
44  const std::map<std::string, std::string> &pParams) :
45  Filter(pSession)
46  {
47  if (pParams.find("OutputFile") == pParams.end())
48  {
49  m_outputFile = m_session->GetSessionName();
50  }
51  else
52  {
53  ASSERTL0(!(pParams.find("OutputFile")->second.empty()),
54  "Missing parameter 'OutputFile'.");
55  m_outputFile = pParams.find("OutputFile")->second;
56  }
57  ASSERTL0(pParams.find("OutputFrequency") != pParams.end(),
58  "Missing parameter 'OutputFrequency'.");
59  m_outputFrequency = atoi(pParams.find("OutputFrequency")->second.c_str());
60  m_outputIndex = 0;
61  m_index = 0;
63 
64  }
65 
67  {
68 
69  }
70 
71  void FilterCheckpointCellModel::v_Initialise(const Array<OneD, const MultiRegions::ExpListSharedPtr> &pFields, const NekDouble &time)
72  {
73  ASSERTL0(m_cell.get(), "Cell model has not been set by EquationSystem "
74  "class. Use SetCellModel on this filter to achieve this.");
75 
76  m_index = 0;
77  m_outputIndex = 0;
78 
79  v_Update(pFields, 0.0);
80  }
81 
82  void FilterCheckpointCellModel::v_Update(const Array<OneD, const MultiRegions::ExpListSharedPtr> &pFields, const NekDouble &time)
83  {
84  if (m_index++ % m_outputFrequency > 0)
85  {
86  return;
87  }
88 
89  std::stringstream vOutputFilename;
90  vOutputFilename << m_outputFile << "_" << m_outputIndex << ".chk";
91 
92  SpatialDomains::MeshGraphSharedPtr vGraph = pFields[0]->GetGraph();
93 
94  std::vector<LibUtilities::FieldDefinitionsSharedPtr> FieldDef
95  = pFields[0]->GetFieldDefinitions();
96  std::vector<std::vector<NekDouble> > FieldData(FieldDef.size());
97 
98  // copy Data into FieldData and set variable
99  std::string varName;
100  for(int j = 1; j < m_cell->GetNumCellVariables(); ++j)
101  {
102  varName = m_cell->GetCellVarName(j);
103 
104  for(int i = 0; i < FieldDef.size(); ++i)
105  {
106  // Retrieve data from cell model
107  Array<OneD, NekDouble> data = m_cell->GetCellSolutionCoeffs(j);
108 
109  // Could do a search here to find correct variable
110  FieldDef[i]->m_fields.push_back(varName);
111  pFields[0]->AppendFieldData(FieldDef[i], FieldData[i], data);
112  }
113  }
114 
115  // Update time in field info if required
116  LibUtilities::FieldMetaDataMap fieldMetaDataMap;
117  fieldMetaDataMap["Time"] = boost::lexical_cast<std::string>(time);
118 
119  m_fld->Write(vOutputFilename.str(),FieldDef,FieldData,fieldMetaDataMap);
120  m_outputIndex++;
121  }
122 
123  void FilterCheckpointCellModel::v_Finalise(const Array<OneD, const MultiRegions::ExpListSharedPtr> &pFields, const NekDouble &time)
124  {
125 
126  }
127 
129  {
130  return true;
131  }
132 }