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NodalQuadElec.cpp
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File NodalQuadElec.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).
12 //
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31 //
32 // Description: Nodal quadrilateral with 2D 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 < 2; i++)
57  {
58  m_points[i] = Array<OneD, DataType>(numPoints * numPoints);
59  }
60 
61  for (int j = 0, ct = 0; j < numPoints; j++)
62  {
63  for (int i = 0; i < numPoints; i++, ct++)
64  {
65  m_points[0][ct] = m_e0[i];
66  m_points[1][ct] = m_e0[j];
67  }
68  }
69 }
70 
72 {
73  unsigned int numPoints = GetNumPoints();
74 
75  m_weights = Array<OneD, DataType>(numPoints * numPoints);
76 
77  for (int j = 0, ct = 0; j < numPoints; j++)
78  {
79  for (int i = 0; i < numPoints; i++, ct++)
80  {
81  m_weights[ct] = m_ew[i] * m_ew[j];
82  }
83  }
84 }
85 
87 {
88 }
89 
90 boost::shared_ptr<PointsBaseType> NodalQuadElec::Create(const PointsKey &key)
91 {
92  boost::shared_ptr<PointsBaseType> returnval(
94  returnval->Initialize();
95  return returnval;
96 }
97 }
98 }
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
static boost::shared_ptr< PointsBaseType > Create(const PointsKey &key)
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
Array< OneD, NekDouble > m_ew
1D GLL weights
Definition: NodalQuadElec.h:73
Array< OneD, NekDouble > m_e0
1D GLL points
Definition: NodalQuadElec.h:71
1D Gauss-Lobatto-Legendre quadrature points
Definition: PointsType.h:52