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Contents of /trunk/ripley/src/Rectangle.h

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Revision 3766 - (show annotations)
Thu Jan 12 08:17:49 2012 UTC (7 years, 8 months ago) by caltinay
Original Path: branches/ripleygmg_from_3668/ripley/src/Rectangle.h
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Checkpoint. Getting weipa to like ripley again.

1
2 /*******************************************************
3 *
4 * Copyright (c) 2003-2012 by University of Queensland
5 * Earth Systems Science Computational Center (ESSCC)
6 * http://www.uq.edu.au/esscc
7 *
8 * Primary Business: Queensland, Australia
9 * Licensed under the Open Software License version 3.0
10 * http://www.opensource.org/licenses/osl-3.0.php
11 *
12 *******************************************************/
13
14 #ifndef __RIPLEY_RECTANGLE_H__
15 #define __RIPLEY_RECTANGLE_H__
16
17 #include <ripley/RipleyDomain.h>
18
19 struct Paso_Connector;
20
21 namespace ripley {
22
23 /**
24 \brief
25 Rectangle is the 2-dimensional implementation of a RipleyDomain.
26 */
27 class Rectangle: public RipleyDomain
28 {
29 public:
30
31 /**
32 \brief creates a rectangular mesh with n0 x n1 elements over the
33 rectangle [0,l0] x [0,l1].
34 \param n0,n1 number of elements in each dimension
35 \param l0,l1 length of each side of rectangle
36 \param d0,d1 number of subdivisions in each dimension
37 */
38 RIPLEY_DLL_API
39 Rectangle(int n0, int n1, double l0, double l1, int d0, int d1);
40
41 /**
42 \brief
43 Destructor.
44 */
45 RIPLEY_DLL_API
46 ~Rectangle();
47
48 /**
49 \brief
50 returns a description for this domain
51 */
52 RIPLEY_DLL_API
53 virtual std::string getDescription() const;
54
55 /**
56 \brief equality operator
57 */
58 RIPLEY_DLL_API
59 virtual bool operator==(const escript::AbstractDomain& other) const;
60
61 /**
62 \brief
63 dumps the mesh to a file with the given name
64 \param filename The name of the output file
65 */
66 RIPLEY_DLL_API
67 void dump(const std::string& filename) const;
68
69 /**
70 \brief
71 returns the array of reference numbers for a function space type
72 \param fsType The function space type
73 */
74 RIPLEY_DLL_API
75 const int* borrowSampleReferenceIDs(int fsType) const;
76
77 /**
78 \brief
79 returns true if this rank owns the sample id.
80 */
81 RIPLEY_DLL_API
82 virtual bool ownSample(int fs_code, index_t id) const;
83
84 /**
85 \brief
86 copies the surface normals at data points into out. The actual function
87 space to be considered is defined by out. out has to be defined on this
88 domain.
89 */
90 RIPLEY_DLL_API
91 virtual void setToNormal(escript::Data& out) const;
92
93 /**
94 \brief
95 copies the size of samples into out. The actual function space to be
96 considered is defined by out. out has to be defined on this domain.
97 */
98 RIPLEY_DLL_API
99 virtual void setToSize(escript::Data& out) const;
100
101 /**
102 \brief
103 returns the number of data points summed across all MPI processes
104 */
105 RIPLEY_DLL_API
106 virtual int getNumDataPointsGlobal() const { return (m_gNE0+1)*(m_gNE1+1); }
107
108 /**
109 \brief
110 writes information about the mesh to standard output
111 \param full whether to print additional data
112 */
113 RIPLEY_DLL_API
114 virtual void Print_Mesh_Info(const bool full=false) const;
115
116 /**
117 \brief
118 returns the number of nodes per MPI rank in each dimension
119 */
120 RIPLEY_DLL_API
121 virtual IndexVector getNumNodesPerDim() const;
122
123 /**
124 \brief
125 returns the number of elements per MPI rank in each dimension
126 */
127 RIPLEY_DLL_API
128 virtual IndexVector getNumElementsPerDim() const;
129
130 /**
131 \brief
132 returns the number of face elements in the order
133 (left,right,bottom,top,[front,back]) on current MPI rank
134 */
135 RIPLEY_DLL_API
136 virtual IndexVector getNumFacesPerBoundary() const;
137
138 /**
139 \brief
140 returns the node distribution vector
141 */
142 RIPLEY_DLL_API
143 virtual IndexVector getNodeDistribution() const { return m_nodeDistribution; }
144
145 /**
146 \brief
147 returns the number of spatial subdivisions in each dimension
148 */
149 RIPLEY_DLL_API
150 virtual IndexVector getNumSubdivisionsPerDim() const;
151
152 /**
153 \brief
154 returns the first coordinate value and the node spacing along given
155 dimension as a pair
156 */
157 RIPLEY_DLL_API
158 virtual std::pair<double,double> getFirstCoordAndSpacing(dim_t dim) const;
159
160 protected:
161 virtual dim_t getNumNodes() const { return m_N0*m_N1; }
162 virtual dim_t getNumElements() const { return m_NE0*m_NE1; }
163 virtual dim_t getNumFaceElements() const;
164 virtual dim_t getNumDOF() const;
165 virtual escript::Domain_ptr getCoarseMesh() const { return m_coarseMesh; }
166 virtual dim_t insertNeighbourNodes(IndexVector& index, index_t node) const;
167 virtual void assembleCoordinates(escript::Data& arg) const;
168 virtual void assembleGradient(escript::Data& out, escript::Data& in) const;
169 virtual void assembleIntegrate(std::vector<double>& integrals, escript::Data& arg) const;
170 virtual void assemblePDESingle(Paso_SystemMatrix* mat, escript::Data& rhs,
171 const escript::Data& A, const escript::Data& B,
172 const escript::Data& C, const escript::Data& D,
173 const escript::Data& X, const escript::Data& Y,
174 const escript::Data& d, const escript::Data& y) const;
175 virtual void assemblePDESingleReduced(Paso_SystemMatrix* mat,
176 escript::Data& rhs, const escript::Data& A, const escript::Data& B,
177 const escript::Data& C, const escript::Data& D,
178 const escript::Data& X, const escript::Data& Y,
179 const escript::Data& d, const escript::Data& y) const;
180 virtual void assemblePDESystem(Paso_SystemMatrix* mat, escript::Data& rhs,
181 const escript::Data& A, const escript::Data& B,
182 const escript::Data& C, const escript::Data& D,
183 const escript::Data& X, const escript::Data& Y,
184 const escript::Data& d, const escript::Data& y) const;
185 virtual void assemblePDESystemReduced(Paso_SystemMatrix* mat,
186 escript::Data& rhs, const escript::Data& A, const escript::Data& B,
187 const escript::Data& C, const escript::Data& D,
188 const escript::Data& X, const escript::Data& Y,
189 const escript::Data& d, const escript::Data& y) const;
190 virtual Paso_SystemMatrixPattern* getPattern(bool reducedRowOrder, bool reducedColOrder) const;
191 virtual void interpolateNodesOnElements(escript::Data& out,
192 escript::Data& in, bool reduced) const;
193 virtual void interpolateNodesOnFaces(escript::Data& out, escript::Data& in,
194 bool reduced) const;
195 virtual void nodesToDOF(escript::Data& out, escript::Data& in) const;
196 virtual void dofToNodes(escript::Data& out, escript::Data& in) const;
197
198 private:
199 void populateSampleIds();
200 void createPattern();
201
202 /// total number of elements in each dimension
203 dim_t m_gNE0, m_gNE1;
204
205 /// side lengths of domain
206 double m_l0, m_l1;
207
208 /// number of spatial subdivisions
209 int m_NX, m_NY;
210
211 /// number of elements for this rank in each dimension including shared
212 dim_t m_NE0, m_NE1;
213
214 /// number of own elements for this rank in each dimension
215 dim_t m_ownNE0, m_ownNE1;
216
217 /// number of nodes for this rank in each dimension
218 dim_t m_N0, m_N1;
219
220 /// first node on this rank is at (offset0,offset1) in global mesh
221 dim_t m_offset0, m_offset1;
222
223 /// faceOffset[i]=-1 if face i is not an external face, otherwise it is
224 /// the index of that face (where i: 0=left, 1=right, 2=bottom, 3=top)
225 IndexVector m_faceOffset;
226
227 /// vector of sample reference identifiers
228 IndexVector m_dofId;
229 IndexVector m_nodeId;
230 IndexVector m_elementId;
231 IndexVector m_faceId;
232
233 // vector with first node id on each rank
234 IndexVector m_nodeDistribution;
235
236 // vector that maps each node to a DOF index (used for the coupler)
237 IndexVector m_dofMap;
238
239 // Paso connector used by the system matrix and to interpolate DOF to
240 // nodes
241 Paso_Connector* m_connector;
242
243 // the Paso System Matrix pattern
244 Paso_SystemMatrixPattern* m_pattern;
245
246 escript::Domain_ptr m_coarseMesh;
247 };
248
249 } // end of namespace ripley
250
251 #endif // __RIPLEY_RECTANGLE_H__
252

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