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StimulusPoint.cpp
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File StimulusPoint.cpp
4 //
5 // For more information, please see: http://www.nektar.info
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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).
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31 //
32 // Description: Rectangular stimulus class
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 #include <iostream>
36 #include <tinyxml.h>
38 
40 
41 namespace Nektar
42 {
43  std::string StimulusPoint::className
45  "StimulusPoint",
47  "Point stimulus.");
48 
49  /**
50  * @class StimulusPoint
51  *
52  * The Stimulus class and derived classes implement a range of stimuli.
53  * The stimulus contains input stimuli that can be applied throughout the
54  * domain, on specified regions determined by the derived classes of
55  * Stimulus, at specified frequencies determined by the derived classes of
56  * Protocol.
57  */
58 
59  /**
60  * Stimulus base class constructor.
61  */
64  const MultiRegions::ExpListSharedPtr& pField,
65  const TiXmlElement* pXml)
66  : Stimulus(pSession, pField, pXml)
67  {
68  m_session = pSession;
69  m_field = pField;
70  m_nq = pField->GetTotPoints();
71 
72  if (!pXml)
73  {
74  return;
75  }
76 
77 
78  const TiXmlElement *pXmlparameter;
79 
80  pXmlparameter = pXml->FirstChildElement("p_strength");
81  m_strength = atof(pXmlparameter->GetText());
82  }
83 
84 
85  /**
86  * Initialise the stimulus. Allocate workspace and variable storage.
87  */
89  {
90 
91 
92  }
93 
94  /**
95  *
96  */
98  Array<OneD, Array<OneD, NekDouble> >&outarray,
99  const NekDouble time)
100  {
101  // Get the protocol amplitude
102  NekDouble v_amp = m_Protocol->GetAmplitude(time) * m_strength;
103 
104  outarray[0][0] += v_amp;
105  }
106 
107 
108  /**
109  *
110  */
112  {
113 
114 
115  }
116 }