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

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Revision 4334 - (hide annotations)
Thu Mar 21 06:00:14 2013 UTC (6 years, 6 months ago) by caltinay
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File size: 10382 byte(s)
Preparations for Voxet (GOCAD) binary grid output + code clean up.
Changed node id's order to remove code duplication in weipa.
More work to do...

1 caltinay 3691
2 jfenwick 3981 /*****************************************************************************
3 caltinay 3691 *
4 jfenwick 4154 * Copyright (c) 2003-2013 by University of Queensland
5 jfenwick 3981 * http://www.uq.edu.au
6 caltinay 3691 *
7     * Primary Business: Queensland, Australia
8     * Licensed under the Open Software License version 3.0
9     * http://www.opensource.org/licenses/osl-3.0.php
10     *
11 jfenwick 3981 * Development until 2012 by Earth Systems Science Computational Center (ESSCC)
12     * Development since 2012 by School of Earth Sciences
13     *
14     *****************************************************************************/
15 caltinay 3691
16     #ifndef __RIPLEY_RECTANGLE_H__
17     #define __RIPLEY_RECTANGLE_H__
18    
19     #include <ripley/RipleyDomain.h>
20    
21 caltinay 3756 struct Paso_Connector;
22    
23 caltinay 3691 namespace ripley {
24    
25     /**
26     \brief
27     Rectangle is the 2-dimensional implementation of a RipleyDomain.
28     */
29 caltinay 3915 class RIPLEY_DLL_API Rectangle: public RipleyDomain
30 caltinay 3691 {
31     public:
32    
33     /**
34     \brief creates a rectangular mesh with n0 x n1 elements over the
35 caltinay 3781 rectangle [x0,x1] x [y0,y1].
36 caltinay 3691 \param n0,n1 number of elements in each dimension
37 caltinay 3781 \param x0,y0,x1,y1 coordinates of bottom-left and top-right corners
38 caltinay 3691 \param d0,d1 number of subdivisions in each dimension
39     */
40 caltinay 3943 Rectangle(int n0, int n1, double x0, double y0, double x1, double y1,
41     int d0=-1, int d1=-1);
42 caltinay 3691
43     /**
44     \brief
45     Destructor.
46     */
47     ~Rectangle();
48    
49     /**
50     \brief
51     returns a description for this domain
52     */
53     virtual std::string getDescription() const;
54    
55     /**
56     \brief equality operator
57     */
58     virtual bool operator==(const escript::AbstractDomain& other) const;
59    
60     /**
61     \brief
62     dumps the mesh to a file with the given name
63     \param filename The name of the output file
64     */
65     void dump(const std::string& filename) const;
66    
67     /**
68 caltinay 3971 */
69     virtual void readBinaryGrid(escript::Data& out, std::string filename,
70     const std::vector<int>& first,
71 caltinay 4277 const std::vector<int>& numValues,
72     const std::vector<int>& multiplier) const;
73 caltinay 3971
74     /**
75 caltinay 4013 */
76     virtual void readNcGrid(escript::Data& out, std::string filename,
77     std::string varname, const std::vector<int>& first,
78 caltinay 4277 const std::vector<int>& numValues,
79     const std::vector<int>& multiplier) const;
80 caltinay 4013
81     /**
82 caltinay 4334 */
83     virtual void writeBinaryGrid(const escript::Data& in,
84     std::string filename, int byteOrder) const;
85    
86     /**
87 caltinay 3691 \brief
88     returns the array of reference numbers for a function space type
89     \param fsType The function space type
90     */
91     const int* borrowSampleReferenceIDs(int fsType) const;
92    
93     /**
94     \brief
95     returns true if this rank owns the sample id.
96     */
97     virtual bool ownSample(int fs_code, index_t id) const;
98    
99     /**
100     \brief
101 caltinay 3722 copies the surface normals at data points into out. The actual function
102     space to be considered is defined by out. out has to be defined on this
103     domain.
104     */
105     virtual void setToNormal(escript::Data& out) const;
106    
107     /**
108     \brief
109 caltinay 3760 copies the size of samples into out. The actual function space to be
110     considered is defined by out. out has to be defined on this domain.
111     */
112     virtual void setToSize(escript::Data& out) const;
113    
114     /**
115     \brief
116 caltinay 3691 returns the number of data points summed across all MPI processes
117     */
118 caltinay 4334 virtual int getNumDataPointsGlobal() const;
119 caltinay 3691
120     /**
121     \brief
122     writes information about the mesh to standard output
123     \param full whether to print additional data
124     */
125     virtual void Print_Mesh_Info(const bool full=false) const;
126    
127 caltinay 3697 /**
128     \brief
129     returns the number of nodes per MPI rank in each dimension
130     */
131 caltinay 4334 virtual const int* getNumNodesPerDim() const { return m_NN; }
132 caltinay 3697
133     /**
134     \brief
135     returns the number of elements per MPI rank in each dimension
136     */
137 caltinay 4334 virtual const int* getNumElementsPerDim() const { return m_NE; }
138 caltinay 3697
139     /**
140     \brief
141     returns the number of face elements in the order
142 caltinay 4334 (left,right,bottom,top) on current MPI rank
143 caltinay 3697 */
144 caltinay 4334 virtual const int* getNumFacesPerBoundary() const { return m_faceCount; }
145 caltinay 3697
146     /**
147     \brief
148     returns the node distribution vector
149     */
150     virtual IndexVector getNodeDistribution() const { return m_nodeDistribution; }
151    
152     /**
153     \brief
154 caltinay 3766 returns the number of spatial subdivisions in each dimension
155     */
156 caltinay 4334 virtual const int* getNumSubdivisionsPerDim() const { return m_NX; }
157 caltinay 3766
158     /**
159     \brief
160 caltinay 4334 returns the index'th coordinate value in given dimension for this rank
161 caltinay 3697 */
162 caltinay 4334 virtual double getLocalCoordinate(int index, int dim) const;
163 caltinay 3697
164 caltinay 3691 protected:
165 caltinay 4334 virtual dim_t getNumNodes() const;
166     virtual dim_t getNumElements() const;
167 caltinay 3756 virtual dim_t getNumFaceElements() const;
168 caltinay 3750 virtual dim_t getNumDOF() const;
169 caltinay 3756 virtual dim_t insertNeighbourNodes(IndexVector& index, index_t node) const;
170 caltinay 3691 virtual void assembleCoordinates(escript::Data& arg) const;
171 caltinay 3764 virtual void assembleGradient(escript::Data& out, escript::Data& in) const;
172     virtual void assembleIntegrate(std::vector<double>& integrals, escript::Data& arg) const;
173 caltinay 3748 virtual void assemblePDESingle(Paso_SystemMatrix* mat, escript::Data& rhs,
174     const escript::Data& A, const escript::Data& B,
175     const escript::Data& C, const escript::Data& D,
176 caltinay 3769 const escript::Data& X, const escript::Data& Y) const;
177     virtual void assemblePDEBoundarySingle(Paso_SystemMatrix* mat,
178 caltinay 3776 escript::Data& rhs, const escript::Data& d,
179     const escript::Data& y) const;
180 caltinay 3762 virtual void assemblePDESingleReduced(Paso_SystemMatrix* mat,
181     escript::Data& rhs, const escript::Data& A, const escript::Data& B,
182     const escript::Data& C, const escript::Data& D,
183 caltinay 3769 const escript::Data& X, const escript::Data& Y) const;
184     virtual void assemblePDEBoundarySingleReduced(Paso_SystemMatrix* mat,
185 caltinay 3776 escript::Data& rhs, const escript::Data& d,
186     const escript::Data& y) const;
187 caltinay 3760 virtual void assemblePDESystem(Paso_SystemMatrix* mat, escript::Data& rhs,
188     const escript::Data& A, const escript::Data& B,
189     const escript::Data& C, const escript::Data& D,
190 caltinay 3769 const escript::Data& X, const escript::Data& Y) const;
191     virtual void assemblePDEBoundarySystem(Paso_SystemMatrix* mat,
192 caltinay 3776 escript::Data& rhs, const escript::Data& d,
193     const escript::Data& y) const;
194 caltinay 3762 virtual void assemblePDESystemReduced(Paso_SystemMatrix* mat,
195     escript::Data& rhs, const escript::Data& A, const escript::Data& B,
196     const escript::Data& C, const escript::Data& D,
197 caltinay 3769 const escript::Data& X, const escript::Data& Y) const;
198     virtual void assemblePDEBoundarySystemReduced(Paso_SystemMatrix* mat,
199 caltinay 3776 escript::Data& rhs, const escript::Data& d,
200     const escript::Data& y) const;
201 caltinay 3691 virtual Paso_SystemMatrixPattern* getPattern(bool reducedRowOrder, bool reducedColOrder) const;
202 caltinay 3711 virtual void interpolateNodesOnElements(escript::Data& out,
203     escript::Data& in, bool reduced) const;
204     virtual void interpolateNodesOnFaces(escript::Data& out, escript::Data& in,
205     bool reduced) const;
206 caltinay 3750 virtual void nodesToDOF(escript::Data& out, escript::Data& in) const;
207 caltinay 3755 virtual void dofToNodes(escript::Data& out, escript::Data& in) const;
208 caltinay 3691
209     private:
210     void populateSampleIds();
211 caltinay 3756 void createPattern();
212 caltinay 3776 void addToMatrixAndRHS(Paso_SystemMatrix* S, escript::Data& F,
213     const std::vector<double>& EM_S, const std::vector<double>& EM_F,
214     bool addS, bool addF, index_t firstNode, dim_t nEq=1, dim_t nComp=1) const;
215 caltinay 3691
216     /// total number of elements in each dimension
217 caltinay 4334 dim_t m_gNE[2];
218 caltinay 3691
219 caltinay 4334 /// origin of domain
220     double m_origin[2];
221 caltinay 3781
222 caltinay 3691 /// side lengths of domain
223 caltinay 4334 double m_length[2];
224 caltinay 3691
225 caltinay 4334 /// grid spacings / cell sizes of domain
226     double m_dx[2];
227    
228 caltinay 3691 /// number of spatial subdivisions
229 caltinay 4334 int m_NX[2];
230 caltinay 3691
231 caltinay 3764 /// number of elements for this rank in each dimension including shared
232 caltinay 4334 dim_t m_NE[2];
233 caltinay 3691
234 caltinay 3764 /// number of own elements for this rank in each dimension
235 caltinay 4334 dim_t m_ownNE[2];
236 caltinay 3764
237 caltinay 3691 /// number of nodes for this rank in each dimension
238 caltinay 4334 dim_t m_NN[2];
239 caltinay 3691
240     /// first node on this rank is at (offset0,offset1) in global mesh
241 caltinay 4334 dim_t m_offset[2];
242 caltinay 3691
243 caltinay 4334 /// number of face elements per edge (left, right, bottom, top)
244     int m_faceCount[4];
245    
246 caltinay 3704 /// faceOffset[i]=-1 if face i is not an external face, otherwise it is
247     /// the index of that face (where i: 0=left, 1=right, 2=bottom, 3=top)
248     IndexVector m_faceOffset;
249    
250 caltinay 3691 /// vector of sample reference identifiers
251 caltinay 3750 IndexVector m_dofId;
252 caltinay 3691 IndexVector m_nodeId;
253     IndexVector m_elementId;
254     IndexVector m_faceId;
255 caltinay 3697
256     // vector with first node id on each rank
257     IndexVector m_nodeDistribution;
258 caltinay 3752
259 caltinay 3756 // vector that maps each node to a DOF index (used for the coupler)
260     IndexVector m_dofMap;
261    
262     // Paso connector used by the system matrix and to interpolate DOF to
263     // nodes
264     Paso_Connector* m_connector;
265    
266     // the Paso System Matrix pattern
267     Paso_SystemMatrixPattern* m_pattern;
268 caltinay 3691 };
269    
270 caltinay 4334 ////////////////////////////// inline methods ////////////////////////////////
271    
272     inline int Rectangle::getNumDataPointsGlobal() const
273     {
274     return (m_gNE[0]+1)*(m_gNE[1]+1);
275     }
276    
277     inline double Rectangle::getLocalCoordinate(int index, int dim) const
278     {
279     EsysAssert((dim>=0 && dim<=1), "'dim' out of bounds");
280     EsysAssert((index>=0 && index<m_NN[dim]), "'index' out of bounds");
281     return m_origin[dim]+m_dx[dim]*(m_offset[dim]+index);
282     }
283    
284     inline Paso_SystemMatrixPattern* Rectangle::getPattern(bool reducedRowOrder,
285     bool reducedColOrder) const
286     {
287     // TODO: reduced
288     return m_pattern;
289     }
290    
291    
292     //protected
293     inline dim_t Rectangle::getNumDOF() const
294     {
295     return (m_gNE[0]+1)/m_NX[0]*(m_gNE[1]+1)/m_NX[1];
296     }
297    
298     //protected
299     inline dim_t Rectangle::getNumNodes() const
300     {
301     return m_NN[0]*m_NN[1];
302     }
303    
304     //protected
305     inline dim_t Rectangle::getNumElements() const
306     {
307     return m_NE[0]*m_NE[1];
308     }
309    
310     //protected
311     inline dim_t Rectangle::getNumFaceElements() const
312     {
313     return m_faceCount[0] + m_faceCount[1] + m_faceCount[2] + m_faceCount[3];
314     }
315    
316    
317 caltinay 3691 } // end of namespace ripley
318    
319     #endif // __RIPLEY_RECTANGLE_H__
320    

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