/[escript]/trunk/ripley/src/Rectangle.h
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Contents of /trunk/ripley/src/Rectangle.h

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Revision 3764 - (show annotations)
Tue Jan 10 06:31:15 2012 UTC (7 years, 8 months ago) by caltinay
Original Path: branches/ripleygmg_from_3668/ripley/src/Rectangle.h
File MIME type: text/plain
File size: 7762 byte(s)
Fixed integration now that elements overlap + code cleanup.

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 first coordinate value and the node spacing along given
148 dimension as a pair
149 */
150 RIPLEY_DLL_API
151 virtual std::pair<double,double> getFirstCoordAndSpacing(dim_t dim) const;
152
153 protected:
154 virtual dim_t getNumNodes() const { return m_N0*m_N1; }
155 virtual dim_t getNumElements() const { return m_NE0*m_NE1; }
156 virtual dim_t getNumFaceElements() const;
157 virtual dim_t getNumDOF() const;
158 virtual dim_t insertNeighbourNodes(IndexVector& index, index_t node) const;
159 virtual void assembleCoordinates(escript::Data& arg) const;
160 virtual void assembleGradient(escript::Data& out, escript::Data& in) const;
161 virtual void assembleIntegrate(std::vector<double>& integrals, escript::Data& arg) const;
162 virtual void assemblePDESingle(Paso_SystemMatrix* mat, escript::Data& rhs,
163 const escript::Data& A, const escript::Data& B,
164 const escript::Data& C, const escript::Data& D,
165 const escript::Data& X, const escript::Data& Y,
166 const escript::Data& d, const escript::Data& y) const;
167 virtual void assemblePDESingleReduced(Paso_SystemMatrix* mat,
168 escript::Data& rhs, const escript::Data& A, const escript::Data& B,
169 const escript::Data& C, const escript::Data& D,
170 const escript::Data& X, const escript::Data& Y,
171 const escript::Data& d, const escript::Data& y) const;
172 virtual void assemblePDESystem(Paso_SystemMatrix* mat, escript::Data& rhs,
173 const escript::Data& A, const escript::Data& B,
174 const escript::Data& C, const escript::Data& D,
175 const escript::Data& X, const escript::Data& Y,
176 const escript::Data& d, const escript::Data& y) const;
177 virtual void assemblePDESystemReduced(Paso_SystemMatrix* mat,
178 escript::Data& rhs, const escript::Data& A, const escript::Data& B,
179 const escript::Data& C, const escript::Data& D,
180 const escript::Data& X, const escript::Data& Y,
181 const escript::Data& d, const escript::Data& y) const;
182 virtual Paso_SystemMatrixPattern* getPattern(bool reducedRowOrder, bool reducedColOrder) const;
183 virtual void interpolateNodesOnElements(escript::Data& out,
184 escript::Data& in, bool reduced) const;
185 virtual void interpolateNodesOnFaces(escript::Data& out, escript::Data& in,
186 bool reduced) const;
187 virtual void nodesToDOF(escript::Data& out, escript::Data& in) const;
188 virtual void dofToNodes(escript::Data& out, escript::Data& in) const;
189
190 private:
191 void populateSampleIds();
192 void createPattern();
193
194 /// total number of elements in each dimension
195 dim_t m_gNE0, m_gNE1;
196
197 /// side lengths of domain
198 double m_l0, m_l1;
199
200 /// number of spatial subdivisions
201 int m_NX, m_NY;
202
203 /// number of elements for this rank in each dimension including shared
204 dim_t m_NE0, m_NE1;
205
206 /// number of own elements for this rank in each dimension
207 dim_t m_ownNE0, m_ownNE1;
208
209 /// number of nodes for this rank in each dimension
210 dim_t m_N0, m_N1;
211
212 /// first node on this rank is at (offset0,offset1) in global mesh
213 dim_t m_offset0, m_offset1;
214
215 /// faceOffset[i]=-1 if face i is not an external face, otherwise it is
216 /// the index of that face (where i: 0=left, 1=right, 2=bottom, 3=top)
217 IndexVector m_faceOffset;
218
219 /// vector of sample reference identifiers
220 IndexVector m_dofId;
221 IndexVector m_nodeId;
222 IndexVector m_elementId;
223 IndexVector m_faceId;
224
225 // vector with first node id on each rank
226 IndexVector m_nodeDistribution;
227
228 // vector that maps each node to a DOF index (used for the coupler)
229 IndexVector m_dofMap;
230
231 // Paso connector used by the system matrix and to interpolate DOF to
232 // nodes
233 Paso_Connector* m_connector;
234
235 // the Paso System Matrix pattern
236 Paso_SystemMatrixPattern* m_pattern;
237 };
238
239 } // end of namespace ripley
240
241 #endif // __RIPLEY_RECTANGLE_H__
242

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