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

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Revision 3760 - (show annotations)
Mon Jan 9 05:21:18 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: 7401 byte(s)
-implemented addPDEToRHS() and setToSize()
-added a few missing calls to requireWrite()
-added assemblePDESystem() to Rectangle but haven't tested yet

1
2 /*******************************************************
3 *
4 * Copyright (c) 2003-2011 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 gradient of 'in' into 'out'. The actual function space to be
87 considered for the gradient is defined by 'in'. Both arguments have to
88 be defined on this domain.
89 */
90 RIPLEY_DLL_API
91 virtual void setToGradient(escript::Data& out, const escript::Data& in) const;
92
93 /**
94 \brief
95 copies the integrals of the function defined by arg into integrals.
96 arg has to be defined on this domain.
97 */
98 RIPLEY_DLL_API
99 virtual void setToIntegrals(std::vector<double>& integrals, const escript::Data& arg) const;
100
101 /**
102 \brief
103 copies the surface normals at data points into out. The actual function
104 space to be considered is defined by out. out has to be defined on this
105 domain.
106 */
107 RIPLEY_DLL_API
108 virtual void setToNormal(escript::Data& out) const;
109
110 /**
111 \brief
112 copies the size of samples into out. The actual function space to be
113 considered is defined by out. out has to be defined on this domain.
114 */
115 RIPLEY_DLL_API
116 virtual void setToSize(escript::Data& out) const;
117
118 /**
119 \brief
120 returns the number of data points summed across all MPI processes
121 */
122 RIPLEY_DLL_API
123 virtual int getNumDataPointsGlobal() const { return (m_gNE0+1)*(m_gNE1+1); }
124
125 /**
126 \brief
127 writes information about the mesh to standard output
128 \param full whether to print additional data
129 */
130 RIPLEY_DLL_API
131 virtual void Print_Mesh_Info(const bool full=false) const;
132
133 /**
134 \brief
135 returns the number of nodes per MPI rank in each dimension
136 */
137 RIPLEY_DLL_API
138 virtual IndexVector getNumNodesPerDim() const;
139
140 /**
141 \brief
142 returns the number of elements per MPI rank in each dimension
143 */
144 RIPLEY_DLL_API
145 virtual IndexVector getNumElementsPerDim() const;
146
147 /**
148 \brief
149 returns the number of face elements in the order
150 (left,right,bottom,top,[front,back]) on current MPI rank
151 */
152 RIPLEY_DLL_API
153 virtual IndexVector getNumFacesPerBoundary() const;
154
155 /**
156 \brief
157 returns the node distribution vector
158 */
159 RIPLEY_DLL_API
160 virtual IndexVector getNodeDistribution() const { return m_nodeDistribution; }
161
162 /**
163 \brief
164 returns the first coordinate value and the node spacing along given
165 dimension as a pair
166 */
167 RIPLEY_DLL_API
168 virtual std::pair<double,double> getFirstCoordAndSpacing(dim_t dim) const;
169
170 protected:
171 virtual dim_t getNumNodes() const { return m_N0*m_N1; }
172 virtual dim_t getNumElements() const { return m_NE0*m_NE1; }
173 virtual dim_t getNumFaceElements() const;
174 virtual dim_t getNumDOF() const;
175 virtual dim_t insertNeighbourNodes(IndexVector& index, index_t node) const;
176 virtual void assembleCoordinates(escript::Data& arg) const;
177 virtual void assemblePDESingle(Paso_SystemMatrix* mat, escript::Data& rhs,
178 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 void assemblePDESystem(Paso_SystemMatrix* mat, escript::Data& rhs,
183 const escript::Data& A, const escript::Data& B,
184 const escript::Data& C, const escript::Data& D,
185 const escript::Data& X, const escript::Data& Y,
186 const escript::Data& d, const escript::Data& y) const;
187
188 virtual Paso_SystemMatrixPattern* getPattern(bool reducedRowOrder, bool reducedColOrder) const;
189 virtual void interpolateNodesOnElements(escript::Data& out,
190 escript::Data& in, bool reduced) const;
191 virtual void interpolateNodesOnFaces(escript::Data& out, escript::Data& in,
192 bool reduced) const;
193 virtual void nodesToDOF(escript::Data& out, escript::Data& in) const;
194 virtual void dofToNodes(escript::Data& out, escript::Data& in) const;
195
196 private:
197 void populateSampleIds();
198 void createPattern();
199
200 /// total number of elements in each dimension
201 dim_t m_gNE0, m_gNE1;
202
203 /// side lengths of domain
204 double m_l0, m_l1;
205
206 /// number of spatial subdivisions
207 int m_NX, m_NY;
208
209 /// number of elements for this rank in each dimension
210 dim_t m_NE0, m_NE1;
211
212 /// number of nodes for this rank in each dimension
213 dim_t m_N0, m_N1;
214
215 /// first node on this rank is at (offset0,offset1) in global mesh
216 dim_t m_offset0, m_offset1;
217
218 /// faceOffset[i]=-1 if face i is not an external face, otherwise it is
219 /// the index of that face (where i: 0=left, 1=right, 2=bottom, 3=top)
220 IndexVector m_faceOffset;
221
222 /// vector of sample reference identifiers
223 IndexVector m_dofId;
224 IndexVector m_nodeId;
225 IndexVector m_elementId;
226 IndexVector m_faceId;
227
228 // vector with first node id on each rank
229 IndexVector m_nodeDistribution;
230
231 // vector that maps each node to a DOF index (used for the coupler)
232 IndexVector m_dofMap;
233
234 // Paso connector used by the system matrix and to interpolate DOF to
235 // nodes
236 Paso_Connector* m_connector;
237
238 // the Paso System Matrix pattern
239 Paso_SystemMatrixPattern* m_pattern;
240 };
241
242 } // end of namespace ripley
243
244 #endif // __RIPLEY_RECTANGLE_H__
245

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