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TriExp.h
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2 //
3 // File TriExp.h
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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: Expansion for triangular elements.
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
36 #ifndef TRIEXP_H
37 #define TRIEXP_H
38 
39 #include <StdRegions/StdTriExp.h>
40 #include <SpatialDomains/TriGeom.h>
41 #include <SpatialDomains/GeomFactors.h>
42 #include <LocalRegions/MatrixKey.h>
43 #include <LocalRegions/Expansion2D.h>
44 #include <LocalRegions/LocalRegionsDeclspec.h>
45 
46 namespace Nektar
47 {
48  namespace LocalRegions
49  {
50 
51  class TriExp: virtual public StdRegions::StdTriExp,
52  virtual public Expansion2D
53  {
54 
55  public:
56  /**
57  * @brief Constructor using BasisKey class for quadrature
58  * points and order definition
59  */
60  LOCAL_REGIONS_EXPORT TriExp(
61  const LibUtilities::BasisKey &Ba,
62  const LibUtilities::BasisKey &Bb,
63  const SpatialDomains::TriGeomSharedPtr &geom);
64 
65  LOCAL_REGIONS_EXPORT TriExp(const TriExp &T);
66 
67  LOCAL_REGIONS_EXPORT ~TriExp();
68 
69  protected:
70  //-------------------------------
71  // Integration Methods
72  //-------------------------------
73  LOCAL_REGIONS_EXPORT virtual NekDouble v_Integral(
74  const Array<OneD, const NekDouble> &inarray);
75 
76  //----------------------------
77  // Differentiation Methods
78  //----------------------------
79  LOCAL_REGIONS_EXPORT virtual void v_PhysDeriv(
80  const Array<OneD, const NekDouble> &inarray,
81  Array<OneD, NekDouble> &out_d0,
82  Array<OneD, NekDouble> &out_d1,
83  Array<OneD, NekDouble> &out_d2
84  = NullNekDouble1DArray);
85  LOCAL_REGIONS_EXPORT virtual void v_PhysDeriv(
86  const int dir,
87  const Array<OneD, const NekDouble> &inarray,
88  Array<OneD, NekDouble> &outarray);
89  LOCAL_REGIONS_EXPORT virtual void v_PhysDirectionalDeriv(
90  const Array<OneD, const NekDouble> &inarray,
91  const Array<OneD, const NekDouble> &direction,
92  Array<OneD, NekDouble> &out);
93 
94  //---------------------------------------
95  // Transforms
96  //---------------------------------------
97  LOCAL_REGIONS_EXPORT virtual void v_FwdTrans(
98  const Array<OneD, const NekDouble> &inarray,
99  Array<OneD, NekDouble> &outarray);
100  LOCAL_REGIONS_EXPORT virtual void v_FwdTrans_BndConstrained(
101  const Array<OneD, const NekDouble>& inarray,
102  Array<OneD, NekDouble> &outarray);
103 
104  //---------------------------------------
105  // Inner product functions
106  //---------------------------------------
107  LOCAL_REGIONS_EXPORT virtual void v_IProductWRTBase(
108  const Array<OneD, const NekDouble>& inarray,
109  Array<OneD, NekDouble> &outarray);
110  LOCAL_REGIONS_EXPORT virtual void v_IProductWRTDerivBase(
111  const int dir,
112  const Array<OneD, const NekDouble>& inarray,
113  Array<OneD, NekDouble> & outarray);
114  LOCAL_REGIONS_EXPORT virtual void v_IProductWRTBase_SumFac(
115  const Array<OneD, const NekDouble>& inarray,
116  Array<OneD, NekDouble> &outarray);
117  LOCAL_REGIONS_EXPORT virtual void v_IProductWRTBase_MatOp(
118  const Array<OneD, const NekDouble>& inarray,
119  Array<OneD, NekDouble> &outarray);
120  LOCAL_REGIONS_EXPORT virtual void v_IProductWRTDerivBase_SumFac(
121  const int dir,
122  const Array<OneD, const NekDouble>& inarray,
123  Array<OneD, NekDouble> & outarray);
124  LOCAL_REGIONS_EXPORT virtual void v_IProductWRTDerivBase_MatOp(
125  const int dir,
126  const Array<OneD, const NekDouble>& inarray,
127  Array<OneD, NekDouble> & outarray);
128 
129  LOCAL_REGIONS_EXPORT virtual void v_NormVectorIProductWRTBase(
130  const Array<OneD, const NekDouble> &Fx,
131  const Array<OneD, const NekDouble> &Fy,
132  const Array<OneD, const NekDouble> &Fz,
133  Array< OneD, NekDouble> &outarray);
134 
135  //---------------------------------------
136  // Evaluation functions
137  //---------------------------------------
138  LOCAL_REGIONS_EXPORT virtual void v_GetCoord(
139  const Array<OneD, const NekDouble>& Lcoords,
140  Array<OneD,NekDouble> &coords);
141  LOCAL_REGIONS_EXPORT virtual void v_GetCoords(
142  Array<OneD, NekDouble> &coords_1,
143  Array<OneD, NekDouble> &coords_2,
144  Array<OneD, NekDouble> &coords_3);
145  LOCAL_REGIONS_EXPORT virtual NekDouble v_StdPhysEvaluate(
146  const Array<OneD, const NekDouble> &Lcoord,
147  const Array<OneD, const NekDouble> &physvals);
148  LOCAL_REGIONS_EXPORT virtual NekDouble v_PhysEvaluate(
149  const Array<OneD, const NekDouble> &coord,
150  const Array<OneD, const NekDouble> & physvals);
151  LOCAL_REGIONS_EXPORT virtual void v_GetEdgePhysVals(
152  const int edge,
153  const StdRegions::StdExpansionSharedPtr &EdgeExp,
154  const Array<OneD, const NekDouble> &inarray,
155  Array<OneD,NekDouble> &outarray);
156  LOCAL_REGIONS_EXPORT virtual void v_GetTracePhysVals(
157  const int edge,
158  const StdRegions::StdExpansionSharedPtr &EdgeExp,
159  const Array<OneD, const NekDouble> &inarray,
160  Array<OneD,NekDouble> &outarray,
161  StdRegions::Orientation orient);
162  LOCAL_REGIONS_EXPORT virtual void v_GetEdgeInterpVals(
163  const int edge,
164  const Array<OneD, const NekDouble> &inarray,
165  Array<OneD,NekDouble> &outarray);
166  LOCAL_REGIONS_EXPORT virtual void v_GetEdgeQFactors(
167  const int edge,
168  Array<OneD, NekDouble> &outarray);
169  LOCAL_REGIONS_EXPORT virtual void v_ComputeEdgeNormal(
170  const int edge);
171 
172  //---------------------------------------
173  // Helper functions
174  //---------------------------------------
175  LOCAL_REGIONS_EXPORT virtual int v_GetCoordim();
176  LOCAL_REGIONS_EXPORT virtual void v_ExtractDataToCoeffs(
177  const NekDouble *data,
178  const std::vector<unsigned int > &nummodes,
179  const int mode_offset,
180  NekDouble *coeffs);
181  LOCAL_REGIONS_EXPORT virtual
182  StdRegions::Orientation v_GetEorient(int edge);
183  LOCAL_REGIONS_EXPORT virtual
184  StdRegions::Orientation v_GetCartesianEorient(int edge);
185  LOCAL_REGIONS_EXPORT virtual const
186  LibUtilities::BasisSharedPtr& v_GetBasis(int dir) const;
187  LOCAL_REGIONS_EXPORT virtual int v_GetNumPoints(
188  const int dir) const;
189 
190 
191  //---------------------------------------
192  // Matrix creation functions
193  //---------------------------------------
194  LOCAL_REGIONS_EXPORT virtual
195  DNekMatSharedPtr v_GenMatrix(
196  const StdRegions::StdMatrixKey &mkey);
197  LOCAL_REGIONS_EXPORT virtual
198  DNekMatSharedPtr v_CreateStdMatrix(
199  const StdRegions::StdMatrixKey &mkey);
200  LOCAL_REGIONS_EXPORT virtual
201  DNekScalMatSharedPtr CreateMatrix(
202  const MatrixKey &mkey);
203  LOCAL_REGIONS_EXPORT virtual
204  DNekScalBlkMatSharedPtr CreateStaticCondMatrix(
205  const MatrixKey &mkey);
206  LOCAL_REGIONS_EXPORT virtual
207  DNekScalMatSharedPtr v_GetLocMatrix(
208  const MatrixKey &mkey);
209  LOCAL_REGIONS_EXPORT virtual
210  DNekScalBlkMatSharedPtr v_GetLocStaticCondMatrix(
211  const MatrixKey &mkey);
212 
213  LOCAL_REGIONS_EXPORT void v_DropLocStaticCondMatrix(
214  const MatrixKey &mkey);
215 
216 
217  LOCAL_REGIONS_EXPORT virtual void v_MassMatrixOp(
218  const Array<OneD, const NekDouble> &inarray,
219  Array<OneD,NekDouble> &outarray,
220  const StdRegions::StdMatrixKey &mkey);
221  LOCAL_REGIONS_EXPORT virtual void v_LaplacianMatrixOp(
222  const Array<OneD, const NekDouble> &inarray,
223  Array<OneD,NekDouble> &outarray,
224  const StdRegions::StdMatrixKey &mkey);
225  LOCAL_REGIONS_EXPORT virtual void v_LaplacianMatrixOp(
226  const int k1,
227  const int k2,
228  const Array<OneD, const NekDouble> &inarray,
229  Array<OneD,NekDouble> &outarray,
230  const StdRegions::StdMatrixKey &mkey);
231  LOCAL_REGIONS_EXPORT virtual void v_WeakDerivMatrixOp(
232  const int i,
233  const Array<OneD, const NekDouble> &inarray,
234  Array<OneD,NekDouble> &outarray,
235  const StdRegions::StdMatrixKey &mkey);
236  LOCAL_REGIONS_EXPORT virtual void v_WeakDirectionalDerivMatrixOp(
237  const Array<OneD, const NekDouble> &inarray,
238  Array<OneD,NekDouble> &outarray,
239  const StdRegions::StdMatrixKey &mkey);
240  LOCAL_REGIONS_EXPORT virtual void v_MassLevelCurvatureMatrixOp(
241  const Array<OneD, const NekDouble> &inarray,
242  Array<OneD,NekDouble> &outarray,
243  const StdRegions::StdMatrixKey &mkey);
244  LOCAL_REGIONS_EXPORT virtual void v_HelmholtzMatrixOp(
245  const Array<OneD, const NekDouble> &inarray,
246  Array<OneD,NekDouble> &outarray,
247  const StdRegions::StdMatrixKey &mkey);
248  LOCAL_REGIONS_EXPORT virtual void v_GeneralMatrixOp_MatOp(
249  const Array<OneD, const NekDouble> &inarray,
250  Array<OneD,NekDouble> &outarray,
251  const StdRegions::StdMatrixKey &mkey);
252  LOCAL_REGIONS_EXPORT virtual void v_LaplacianMatrixOp_MatFree_Kernel(
253  const Array<OneD, const NekDouble> &inarray,
254  Array<OneD, NekDouble> &outarray,
255  Array<OneD, NekDouble> &wsp);
256  LOCAL_REGIONS_EXPORT virtual void v_ReduceOrderCoeffs(
257  int numMin,
258  const Array<OneD, const NekDouble> &inarray,
259  Array<OneD,NekDouble> &outarray);
260 
261  LOCAL_REGIONS_EXPORT virtual void v_ComputeLaplacianMetric();
262 
263  private:
264  LibUtilities::NekManager<MatrixKey, DNekScalMat, MatrixKey::opLess> m_matrixManager;
265  LibUtilities::NekManager<MatrixKey, DNekScalBlkMat, MatrixKey::opLess> m_staticCondMatrixManager;
266 
267  TriExp();
268  };
269 
270  // type defines for use of TriExp in a boost vector
271  typedef boost::shared_ptr<TriExp> TriExpSharedPtr;
272  typedef std::vector< TriExpSharedPtr > TriExpVector;
273  typedef std::vector< TriExpSharedPtr >::iterator TriExpVectorIter;
274 
275  }
276 }
277 
278 #endif
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