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NodalHexElec.cpp
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File NodalHexElec.cpp
4 //
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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: Nodal hexahedron with 3D GLL distribution
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
42 
43 namespace Nektar
44 {
45 namespace LibUtilities
46 {
48 {
49  // Allocate the storage for points
50  unsigned int numPoints = GetNumPoints();
51 
52  PointsKey e(numPoints, eGaussLobattoLegendre);
53  PointsManager()[e]->GetPoints(m_e0);
54  m_ew = PointsManager()[e]->GetW();
55 
56  for (int i = 0; i < 3; i++)
57  {
58  m_points[i] = Array<OneD, DataType>(numPoints * numPoints * numPoints);
59  }
60 
61  for (int k = 0, ct = 0; k < numPoints; k++)
62  {
63  for (int j = 0; j < numPoints; j++)
64  {
65  for (int i = 0; i < numPoints; i++, ct++)
66  {
67  m_points[0][ct] = m_e0[i];
68  m_points[1][ct] = m_e0[j];
69  m_points[2][ct] = m_e0[k];
70  }
71  }
72  }
73 }
74 
76 {
77  unsigned int numPoints = GetNumPoints();
78 
79  m_weights = Array<OneD, DataType>(numPoints * numPoints * numPoints);
80 
81  for (int k = 0, ct = 0; k < numPoints; k++)
82  {
83  for (int j = 0; j < numPoints; j++)
84  {
85  for (int i = 0; i < numPoints; i++, ct++)
86  {
87  m_weights[ct] = m_ew[i] * m_ew[j] * m_ew[k];
88  }
89  }
90  }
91 }
92 
94 {
95 }
96 
97 boost::shared_ptr<PointsBaseType> NodalHexElec::Create(const PointsKey &key)
98 {
99  boost::shared_ptr<PointsBaseType> returnval(
101  returnval->Initialize();
102  return returnval;
103 }
104 }
105 }
General purpose memory allocation routines with the ability to allocate from thread specific memory p...
Array< OneD, DataType > m_points[3]
Definition: Points.h:371
Array< OneD, NekDouble > m_e0
1D GLL points.
Definition: NodalHexElec.h:71
static boost::shared_ptr< PointsBaseType > Create(const PointsKey &key)
Array< OneD, NekDouble > m_ew
1D GLL weights.
Definition: NodalHexElec.h:73
unsigned int GetNumPoints() const
Definition: Points.h:268
PointsManagerT & PointsManager(void)
Array< OneD, DataType > m_weights
Definition: Points.h:372
Defines a specification for a set of points.
Definition: Points.h:58
1D Gauss-Lobatto-Legendre quadrature points
Definition: PointsType.h:52