/[escript]/trunk/finley/src/CPPAdapter/MeshAdapter.h
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Contents of /trunk/finley/src/CPPAdapter/MeshAdapter.h

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Revision 964 - (show annotations)
Tue Feb 13 05:10:26 2007 UTC (12 years, 2 months ago) by gross
File MIME type: text/plain
File size: 12653 byte(s)
The set/getRefVal functions of Data objects have been removed (mainly to avoid later problems with MPI).
Moreover, a faster access to the reference id of samples has been introduced. I don't think that anybody will
profit form this at this stage but it will allow a faster dump of data objects.


1 // $Id$
2 /*
3 ************************************************************
4 * Copyright 2006 by ACcESS MNRF *
5 * *
6 * http://www.access.edu.au *
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 ************************************************************
12 */
13
14 #if !defined finley_MeshAdapter_20040526_H
15 #define finley_MeshAdapter_20040526_H
16 #include "system_dep.h"
17
18 extern "C" {
19 #include "../Mesh.h"
20 #include "../Finley.h"
21 #include "../Assemble.h"
22 #include "paso/SystemMatrix.h"
23 }
24
25 #include "FinleyError.h"
26 #include "FinleyAdapterException.h"
27
28 #include "SystemMatrixAdapter.h"
29 #include "escript/AbstractContinuousDomain.h"
30 #include "escript/FunctionSpace.h"
31 #include "escript/FunctionSpaceFactory.h"
32
33 #include <boost/shared_ptr.hpp>
34 #include <boost/python/dict.hpp>
35 #include <boost/python/extract.hpp>
36
37 #include <map>
38 #include <vector>
39 #include <string>
40 #include <sstream>
41
42 //
43 // forward declarations
44 class Data;
45
46 //using namespace escript;
47
48 namespace finley {
49
50 struct null_deleter
51 {
52 void operator()(void const *ptr) const
53 {
54 }
55 };
56
57
58 /**
59 \brief
60 MeshAdapter implements the AbstractContinuousDomain
61 interface for the Finley library.
62
63 Description:
64 MeshAdapter implements the AbstractContinuousDomain
65 interface for the Finley library.
66 */
67
68 class MeshAdapter : public escript::AbstractContinuousDomain {
69
70 public:
71
72 //
73 // Codes for function space types supported
74 static const int DegreesOfFreedom;
75 static const int ReducedDegreesOfFreedom;
76 static const int Nodes;
77 static const int Elements;
78 static const int FaceElements;
79 static const int Points;
80 static const int ContactElementsZero;
81 static const int ContactElementsOne;
82
83 /**
84 \brief
85 Constructor for MeshAdapter
86
87 Description:
88 Constructor for MeshAdapter. The pointer passed to MeshAdapter
89 is deleted using a call to Finley_Mesh_deallocate in the
90 MeshAdapter destructor.
91
92 Throws:
93 May throw an exception derived from EsysException
94
95 \param finleyMesh Input - A pointer to the externally constructed
96 finley mesh.The pointer passed to MeshAdapter
97 is deleted using a call to
98 Finley_Mesh_deallocate in the MeshAdapter
99 destructor.
100 */
101 FINLEY_DLL_API
102 MeshAdapter(Finley_Mesh* finleyMesh=0);
103
104 /**
105 \brief
106 Copy constructor.
107 */
108 FINLEY_DLL_API
109 MeshAdapter(const MeshAdapter& in);
110
111 /**
112 \brief
113 Destructor for MeshAdapter. As specified in the constructor
114 this calls Finley_Mesh_deallocate for the pointer given to the
115 constructor.
116 */
117 FINLEY_DLL_API
118 ~MeshAdapter();
119
120 /**
121 \brief
122 return this as an AbstractContinuousDomain.
123 */
124 inline const AbstractContinuousDomain& asAbstractContinuousDomain() const
125 {
126 return *(static_cast<const AbstractContinuousDomain*>(this));
127 }
128
129 /**
130 \brief
131 return this as an AbstractDomain.
132 */
133 inline const AbstractDomain& asAbstractDomain() const
134 {
135 return *(static_cast<const AbstractDomain*>(this));
136 }
137
138 /**
139 \brief
140 Write the current mesh to a file with the given name.
141 \param fileName Input - The name of the file to write to.
142 */
143 FINLEY_DLL_API
144 void write(const std::string& fileName) const;
145
146 /**
147 \brief
148 return the pointer to the underlying finley mesh structure
149 */
150 FINLEY_DLL_API
151 Finley_Mesh* getFinley_Mesh() const;
152
153 /**
154 \brief
155 Return the tag key for the given sample number.
156 \param functionSpaceType Input - The function space type.
157 \param sampleNo Input - The sample number.
158 */
159 FINLEY_DLL_API
160 int getTagFromSampleNo(int functionSpaceType, int sampleNo) const;
161
162 /**
163 \brief
164 Return the reference number of the given sample number.
165 \param functionSpaceType Input - The function space type.
166 */
167 FINLEY_DLL_API
168 int* borrowSampleReferenceIDs(int functionSpaceType) const;
169
170 /**
171 \brief
172 Returns true if the given integer is a valid function space type
173 for this domain.
174 */
175 FINLEY_DLL_API
176 virtual bool isValidFunctionSpaceType(int functionSpaceType) const;
177
178 /**
179 \brief
180 Return a description for this domain
181 */
182 FINLEY_DLL_API
183 virtual std::string getDescription() const;
184
185 /**
186 \brief
187 Return a description for the given function space type code
188 */
189 FINLEY_DLL_API
190 virtual std::string functionSpaceTypeAsString(int functionSpaceType) const;
191
192 /**
193 \brief
194 Build the table of function space type names
195 */
196 FINLEY_DLL_API
197 void setFunctionSpaceTypeNames();
198
199 /**
200 \brief
201 Return a continuous FunctionSpace code
202 */
203 FINLEY_DLL_API
204 virtual int getContinuousFunctionCode() const;
205
206 /**
207 \brief
208 Return a functon FunctionSpace code
209 */
210 FINLEY_DLL_API
211 virtual int getFunctionCode() const;
212
213 /**
214 \brief
215 Return a function on boundary FunctionSpace code
216 */
217 FINLEY_DLL_API
218 virtual int getFunctionOnBoundaryCode() const;
219
220 /**
221 \brief
222 Return a FunctionOnContactZero code
223 */
224 FINLEY_DLL_API
225 virtual int getFunctionOnContactZeroCode() const;
226
227 /**
228 \brief
229 Return a FunctionOnContactOne code
230 */
231 FINLEY_DLL_API
232 virtual int getFunctionOnContactOneCode() const;
233
234 /**
235 \brief
236 Return a Solution code
237 */
238 FINLEY_DLL_API
239 virtual int getSolutionCode() const;
240
241 /**
242 \brief
243 Return a ReducedSolution code
244 */
245 FINLEY_DLL_API
246 virtual int getReducedSolutionCode() const;
247
248 /**
249 \brief
250 Return a DiracDeltaFunction code
251 */
252 FINLEY_DLL_API
253 virtual int getDiracDeltaFunctionCode() const;
254
255 /**
256 5B
257 \brief
258 */
259 typedef std::map<int, std::string> FunctionSpaceNamesMapType;
260
261 /**
262 \brief
263 */
264 FINLEY_DLL_API
265 virtual int getDim() const;
266
267 /**
268 \brief
269 Return the number of data points per sample, and the number of samples as a pair.
270 \param functionSpaceCode Input -
271 */
272 FINLEY_DLL_API
273 virtual std::pair<int,int> getDataShape(int functionSpaceCode) const;
274
275 /**
276 \brief
277 copies the location of data points into arg. The domain of arg has to match this.
278 has to be implemented by the actual Domain adapter.
279 */
280 FINLEY_DLL_API
281 virtual void setToX(escript::Data& arg) const;
282
283 /**
284 \brief
285 assigns new location to the domain
286 */
287 FINLEY_DLL_API
288 virtual void setNewX(const escript::Data& arg);
289
290 /**
291 \brief
292 interpolates data given on source onto target where source and target have to be given on the same domain.
293 */
294 FINLEY_DLL_API
295 virtual void interpolateOnDomain(escript::Data& target,const escript::Data& source) const;
296 FINLEY_DLL_API
297 virtual bool probeInterpolationOnDomain(int functionSpaceType_source,int functionSpaceType_target) const;
298
299 /**
300 \brief
301 interpolates data given on source onto target where source and target are given on different domains.
302 has to be implemented by the actual Domain adapter.
303 */
304 FINLEY_DLL_API
305 virtual void interpolateACross(escript::Data& target, const escript::Data& source) const;
306 FINLEY_DLL_API
307 virtual bool probeInterpolationACross(int functionSpaceType_source,const AbstractDomain& targetDomain, int functionSpaceType_target) const;
308
309 /**
310 \brief
311 copies the surface normals at data points into out. The actual function space to be considered
312 is defined by out. out has to be defined on this.
313 */
314 FINLEY_DLL_API
315 virtual void setToNormal(escript::Data& out) const;
316
317 /**
318 \brief
319 copies the size of samples into out. The actual function space to be considered
320 is defined by out. out has to be defined on this.
321 */
322 FINLEY_DLL_API
323 virtual void setToSize(escript::Data& out) const;
324
325 /**
326 \brief
327 copies the gradient of arg into grad. The actual function space to be considered
328 for the gradient is defined by grad. arg and grad have to be defined on this.
329 */
330 FINLEY_DLL_API
331 virtual void setToGradient(escript::Data& grad,const escript::Data& arg) const;
332
333 /**
334 \brief
335 copies the integrals of the function defined by arg into integrals.
336 arg has to be defined on this.
337 */
338 FINLEY_DLL_API
339 virtual void setToIntegrals(std::vector<double>& integrals,const escript::Data& arg) const;
340
341 /**
342 \brief
343 return the identifier of the matrix type to be used for the global stiffness matrix when a particular solver, package
344 and symmetric matrix is used.
345 \param solver
346 \param symmetry
347 */
348 FINLEY_DLL_API
349 virtual int getSystemMatrixTypeId(const int solver, const int package, const bool symmetry) const;
350
351 /**
352 \brief
353 returns true if data on this domain and a function space of type functionSpaceCode has to
354 considered as cell centered data.
355 */
356 FINLEY_DLL_API
357 virtual bool isCellOriented(int functionSpaceCode) const;
358
359 /**
360 \brief
361 Saves a dictonary of Data objects to an OpenDX input file. The keywords are used as identifier
362
363 This has to be implemented by the actual Domain adapter.
364 */
365 FINLEY_DLL_API
366 virtual void saveDX(const std::string& filename,const boost::python::dict& arg) const;
367
368
369 /**
370 \brief
371 Saves a dictonary of Data objects to an VTK XML input file. The keywords are used as identifier
372
373 This has to be implemented by the actual Domain adapter.
374 */
375 FINLEY_DLL_API
376 virtual void saveVTK(const std::string& filename,const boost::python::dict& arg) const;
377
378 /**
379 \brief
380 returns the function space representation of the type functionSpaceCode on this domain
381 as a vtkObject.
382 */
383 // vtkObject createVtkObject(int functionSpaceCode) const;
384
385 /**
386 \brief
387 adds a PDE onto the stiffness matrix mat and a rhs
388 */
389 FINLEY_DLL_API
390 virtual void addPDEToSystem(
391 SystemMatrixAdapter& mat, escript::Data& rhs,
392 const escript::Data& A, const escript::Data& B, const escript::Data& C,
393 const escript::Data& D, const escript::Data& X, const escript::Data& Y,
394 const escript::Data& d, const escript::Data& y,
395 const escript::Data& d_contact, const escript::Data& y_contact) const;
396
397 /**
398 \brief
399 adds a PDE onto the stiffness matrix mat and a rhs
400 */
401 FINLEY_DLL_API
402 virtual void addPDEToRHS(escript::Data& rhs,
403 const escript::Data& X, const escript::Data& Y,
404 const escript::Data& y, const escript::Data& y_contact) const;
405
406 /**
407 \brief
408 creates a SystemMatrixAdapter stiffness matrix an initializes it with zeros:
409 */
410 FINLEY_DLL_API
411 SystemMatrixAdapter newSystemMatrix(
412 const int row_blocksize,
413 const escript::FunctionSpace& row_functionspace,
414 const int column_blocksize,
415 const escript::FunctionSpace& column_functionspace,
416 const int type) const;
417
418 /**
419 \brief returns locations in the FEM nodes
420 */
421 FINLEY_DLL_API
422 virtual escript::Data getX() const;
423
424 /**
425 \brief return boundary normals at the quadrature point on the face elements
426 */
427 FINLEY_DLL_API
428 virtual escript::Data getNormal() const;
429
430 /**
431 \brief returns the element size
432 */
433 FINLEY_DLL_API
434 virtual escript::Data getSize() const;
435
436 /**
437 \brief comparison operators
438 */
439 FINLEY_DLL_API
440 virtual bool operator==(const AbstractDomain& other) const;
441 FINLEY_DLL_API
442 virtual bool operator!=(const AbstractDomain& other) const;
443
444 /**
445 \brief assigns new tag newTag to all samples of functionspace with a positive
446 value of mask for any its sample point.
447
448 */
449 FINLEY_DLL_API
450 virtual void setTags(const int functionSpaceType, const int newTag, const escript::Data& mask) const;
451
452 protected:
453
454 private:
455
456 //
457 // pointer to the externally created finley mesh
458 boost::shared_ptr<Finley_Mesh> m_finleyMesh;
459
460 static FunctionSpaceNamesMapType m_functionSpaceTypeNames;
461
462 };
463
464 } // end of namespace
465
466 #endif

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