dune-pdelab  2.7-git
fastdg/localassembler.hh
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1 // -*- tab-width: 2; indent-tabs-mode: nil -*-
2 // vi: set et ts=2 sw=2 sts=2:
3 #ifndef DUNE_PDELAB_GRIDOPERATOR_FASTDG_LOCALASSEMBLER_HH
4 #define DUNE_PDELAB_GRIDOPERATOR_FASTDG_LOCALASSEMBLER_HH
5 
6 #include <memory>
7 
8 #include <dune/common/shared_ptr.hh>
9 
10 #include <dune/typetree/typetree.hh>
11 
18 
19 namespace Dune{
20  namespace PDELab{
21 
36  template<typename GO, typename LOP, bool nonoverlapping_mode = false>
38  public Dune::PDELab::LocalAssemblerBase<typename GO::Traits::MatrixBackend,
39  typename GO::Traits::TrialGridFunctionSpaceConstraints,
40  typename GO::Traits::TestGridFunctionSpaceConstraints>
41  {
42  public:
43 
46 
48  typedef typename Traits::Residual::ElementType RangeField;
49  typedef RangeField Real;
50 
53 
56 
59 
61  typedef LOP LocalOperator;
62 
63  static const bool isNonOverlapping = nonoverlapping_mode;
64 
67  // Types of local function spaces
72 
74 
81 
82  // friend declarations such that engines are able to call scatter_jacobian() and add_entry() from base class
85 
87  FastDGLocalAssembler (LOP & lop_, std::shared_ptr<typename GO::BorderDOFExchanger> border_dof_exchanger)
88  : lop(stackobject_to_shared_ptr(lop_)),
89  weight_(1.0),
90  doPreProcessing_(true),
91  doPostProcessing_(true),
92  pattern_engine(*this,border_dof_exchanger), residual_engine(*this), jacobian_engine(*this)
93  , jacobian_apply_engine(*this)
94  , _reconstruct_border_entries(isNonOverlapping)
95  {}
96 
98  FastDGLocalAssembler (LOP & lop_, const CU& cu_, const CV& cv_,
99  std::shared_ptr<typename GO::BorderDOFExchanger> border_dof_exchanger)
100  : Base(cu_, cv_),
101  lop(stackobject_to_shared_ptr(lop_)),
102  weight_(1.0),
103  doPreProcessing_(true),
104  doPostProcessing_(true),
105  pattern_engine(*this,border_dof_exchanger), residual_engine(*this), jacobian_engine(*this)
106  , jacobian_apply_engine(*this)
107  , _reconstruct_border_entries(isNonOverlapping)
108  {}
109 
112  {
113  return *lop;
114  }
115 
117  const LOP &localOperator() const
118  {
119  return *lop;
120  }
121 
128  template<class EG>
129  bool skipEntity(const EG & eg) const
130  {
131  static_assert(
132  models<Impl::HasDoSkipEntity, LOP>(),
133  "Your local operator does not provide the 'doSkipEntity' flag. "
134  "If you are porting a previous implementation, set the flag to "
135  "false");
137  LOP, LOP::doSkipEntity>::skip_entity(*lop, eg);
138  }
139 
146  template<class IG>
147  bool skipIntersection(const IG & ig) const
148  {
149  static_assert(models<Impl::HasDoSkipIntersection, LOP>(),
150  "Your local operator does not provide the "
151  "'doSkipIntersection' flag. "
152  "If you are porting a previous implementation, set the "
153  "flag to false");
155  LOP, LOP::doSkipIntersection>::skip_intersection(*lop, ig);
156  }
157 
161  void setTime(Real time_)
162  {
163  lop->setTime(time_);
164  }
165 
168  {
169  return weight_;
170  }
171 
174  weight_ = weight;
175  }
176 
179  void preStage (Real time_, int r_) { lop->preStage(time_,r_); }
180  void preStep (Real time_, Real dt_, std::size_t stages_){ lop->preStep(time_,dt_,stages_); }
181  void postStep (){ lop->postStep(); }
182  void postStage (){ lop->postStage(); }
183  Real suggestTimestep (Real dt) const{return lop->suggestTimestep(dt); }
185 
187  {
188  return _reconstruct_border_entries;
189  }
190 
193 
197  (typename Traits::MatrixPattern & p)
198  {
199  pattern_engine.setPattern(p);
200  return pattern_engine;
201  }
202 
206  (typename Traits::Residual & r, const typename Traits::Solution & x)
207  {
208  residual_engine.setResidual(r);
209  residual_engine.setSolution(x);
210  return residual_engine;
211  }
212 
216  (typename Traits::Jacobian & a, const typename Traits::Solution & x)
217  {
218  jacobian_engine.setJacobian(a);
219  jacobian_engine.setSolution(x);
220  return jacobian_engine;
221  }
222 
226  (const typename Traits::Domain & update, typename Traits::Range & result)
227  {
228  jacobian_apply_engine.setUpdate(update);
229  jacobian_apply_engine.setResult(result);
230  return jacobian_apply_engine;
231  }
232 
236  (const typename Traits::Domain & solution, const typename Traits::Domain & update, typename Traits::Range & result)
237  {
238  jacobian_apply_engine.setSolution(solution);
239  jacobian_apply_engine.setUpdate(update);
240  jacobian_apply_engine.setResult(result);
241  return jacobian_apply_engine;
242  }
243 
245 
250  static constexpr bool doAlphaVolume() { return LOP::doAlphaVolume; }
251  static constexpr bool doLambdaVolume() { return LOP::doLambdaVolume; }
252  static constexpr bool doAlphaSkeleton() { return LOP::doAlphaSkeleton; }
253  static constexpr bool doLambdaSkeleton() { return LOP::doLambdaSkeleton; }
254  static constexpr bool doAlphaBoundary() { return LOP::doAlphaBoundary; }
255  static constexpr bool doLambdaBoundary() { return LOP::doLambdaBoundary; }
256  static constexpr bool doAlphaVolumePostSkeleton() { return LOP::doAlphaVolumePostSkeleton; }
257  static constexpr bool doLambdaVolumePostSkeleton() { return LOP::doLambdaVolumePostSkeleton; }
258  static constexpr bool doSkeletonTwoSided() { return LOP::doSkeletonTwoSided; }
259  static constexpr bool doPatternVolume() { return LOP::doPatternVolume; }
260  static constexpr bool doPatternSkeleton() { return LOP::doPatternSkeleton; }
261  static constexpr bool doPatternBoundary() { return LOP::doPatternBoundary; }
262  static constexpr bool doPatternVolumePostSkeleton() { return LOP::doPatternVolumePostSkeleton; }
263  static constexpr bool isLinear() { return LOP::isLinear;}
265 
267 
270  bool doPreProcessing() const { return doPreProcessing_; }
271 
276  void preProcessing(bool v)
277  {
278  doPreProcessing_ = v;
279  }
280 
282 
285  bool doPostProcessing() const { return doPostProcessing_; }
286 
291  void postProcessing(bool v)
292  {
293  doPostProcessing_ = v;
294  }
295 
296  template<typename GFSV, typename GC, typename C>
297  void set_trivial_rows(const GFSV& gfsv, GC& globalcontainer, const C& c) const
298  {
299  typedef typename C::const_iterator global_row_iterator;
300  for (global_row_iterator cit = c.begin(); cit != c.end(); ++cit)
301  globalcontainer.clear_row_block(cit->first,1);
302  }
303 
304  template<typename GFSV, typename GC>
305  void set_trivial_rows(const GFSV& gfsv, GC& globalcontainer, const EmptyTransformation& c) const
306  {
307  }
308 
309  template<typename GFSV, typename GC>
310  void handle_dirichlet_constraints(const GFSV& gfsv, GC& globalcontainer) const
311  {
312  globalcontainer.flush();
313  set_trivial_rows(gfsv,globalcontainer,*this->pconstraintsv);
314  globalcontainer.finalize();
315  }
316 
317  private:
318 
320  std::shared_ptr<LOP> lop;
321 
323  RangeField weight_;
324 
327  bool doPreProcessing_;
328 
331  bool doPostProcessing_;
332 
335  LocalPatternAssemblerEngine pattern_engine;
336  LocalResidualAssemblerEngine residual_engine;
337  LocalJacobianAssemblerEngine jacobian_engine;
338  LocalJacobianApplyAssemblerEngine jacobian_apply_engine;
340 
341  bool _reconstruct_border_entries;
342  };
343 
344  } // end namespace PDELab
345 } // end namespace Dune
346 #endif
const P & p
Definition: constraints.hh:148
const IG & ig
Definition: constraints.hh:149
For backward compatibility – Do not use this!
Definition: adaptivity.hh:28
Impl::LocalAssemblerCallSwitchHelper< LOP, doIt > LocalAssemblerCallSwitch
Definition: callswitch.hh:407
Definition: constraintstransformation.hh:112
Definition: lfsindexcache.hh:979
Create a local function space from a global function space.
Definition: localfunctionspace.hh:725
Definition: assemblerutilities.hh:51
GO::Traits::Range Residual
The type of the range (residual).
Definition: assemblerutilities.hh:88
MatrixBackend::template Pattern< Jacobian, TestGridFunctionSpace, TrialGridFunctionSpace > MatrixPattern
The matrix pattern.
Definition: assemblerutilities.hh:102
GO::Traits::TrialGridFunctionSpace TrialGridFunctionSpace
The trial grid function space.
Definition: assemblerutilities.hh:54
GO::Traits::Jacobian Jacobian
The type of the jacobian.
Definition: assemblerutilities.hh:95
GO::Traits::TestGridFunctionSpace TestGridFunctionSpace
The test grid function space.
Definition: assemblerutilities.hh:57
GO::Traits::Domain Solution
The type of the domain (solution).
Definition: assemblerutilities.hh:78
GO::Traits::Range Range
The type of the range (residual).
Definition: assemblerutilities.hh:85
GO::Traits::Domain Domain
The type of the domain (solution).
Definition: assemblerutilities.hh:75
GO::Traits::TrialGridFunctionSpaceConstraints TrialGridFunctionSpaceConstraints
The type of the trial grid function space constraints.
Definition: assemblerutilities.hh:61
GO::Traits::TestGridFunctionSpaceConstraints TestGridFunctionSpaceConstraints
The type of the test grid function space constraints.
Definition: assemblerutilities.hh:64
Base class for local assembler.
Definition: assemblerutilities.hh:217
void setResult(Range &result_)
Definition: fastdg/jacobianapplyengine.hh:125
void setSolution(const Domain &solution_)
Definition: fastdg/jacobianapplyengine.hh:107
void setUpdate(const Domain &update_)
Definition: fastdg/jacobianapplyengine.hh:117
void setSolution(const Solution &solution_)
Definition: fastdg/jacobianengine.hh:142
void setJacobian(Jacobian &jacobian_)
Definition: fastdg/jacobianengine.hh:132
The local assembler for DUNE grids.
Definition: fastdg/localassembler.hh:41
static constexpr bool doAlphaVolumePostSkeleton()
Definition: fastdg/localassembler.hh:256
static constexpr bool doPatternVolume()
Definition: fastdg/localassembler.hh:259
static constexpr bool doLambdaBoundary()
Definition: fastdg/localassembler.hh:255
Traits::TrialGridFunctionSpaceConstraints CU
Definition: fastdg/localassembler.hh:54
FastDGLocalAssembler(LOP &lop_, const CU &cu_, const CV &cv_, std::shared_ptr< typename GO::BorderDOFExchanger > border_dof_exchanger)
Constructor for non trivial constraints.
Definition: fastdg/localassembler.hh:98
FastDGLocalResidualAssemblerEngine< FastDGLocalAssembler > LocalResidualAssemblerEngine
Definition: fastdg/localassembler.hh:78
const LOP & localOperator() const
get a reference to the local operator
Definition: fastdg/localassembler.hh:117
static const bool isNonOverlapping
Definition: fastdg/localassembler.hh:63
void postStage()
Definition: fastdg/localassembler.hh:182
LFSIndexCache< LFSV, CV, true > LFSVCache
Definition: fastdg/localassembler.hh:71
bool reconstructBorderEntries() const
Definition: fastdg/localassembler.hh:186
LOP LocalOperator
The local operator.
Definition: fastdg/localassembler.hh:61
Traits::Residual::ElementType RangeField
The local operators type for real numbers e.g. time.
Definition: fastdg/localassembler.hh:48
bool skipEntity(const EG &eg) const
Definition: fastdg/localassembler.hh:129
Dune::PDELab::LocalFunctionSpace< GFSU, Dune::PDELab::TrialSpaceTag > LFSU
Definition: fastdg/localassembler.hh:68
static constexpr bool doLambdaVolume()
Definition: fastdg/localassembler.hh:251
void postStep()
Definition: fastdg/localassembler.hh:181
LOP & localOperator()
get a reference to the local operator
Definition: fastdg/localassembler.hh:111
static constexpr bool doPatternBoundary()
Definition: fastdg/localassembler.hh:261
Traits::TestGridFunctionSpaceConstraints CV
Definition: fastdg/localassembler.hh:55
void postProcessing(bool v)
Definition: fastdg/localassembler.hh:291
static constexpr bool doAlphaSkeleton()
Definition: fastdg/localassembler.hh:252
Dune::PDELab::LocalFunctionSpace< GFSV, Dune::PDELab::TestSpaceTag > LFSV
Definition: fastdg/localassembler.hh:69
static constexpr bool doAlphaVolume()
Query methods for the assembler engines. Theses methods do not belong to the assembler interface,...
Definition: fastdg/localassembler.hh:250
static constexpr bool doLambdaVolumePostSkeleton()
Definition: fastdg/localassembler.hh:257
RangeField Real
Definition: fastdg/localassembler.hh:49
void preStage(Real time_, int r_)
Definition: fastdg/localassembler.hh:179
bool skipIntersection(const IG &ig) const
Definition: fastdg/localassembler.hh:147
static constexpr bool doAlphaBoundary()
Definition: fastdg/localassembler.hh:254
void preProcessing(bool v)
Definition: fastdg/localassembler.hh:276
FastDGLocalAssembler(LOP &lop_, std::shared_ptr< typename GO::BorderDOFExchanger > border_dof_exchanger)
Constructor with empty constraints.
Definition: fastdg/localassembler.hh:87
LocalJacobianApplyAssemblerEngine & localJacobianApplyAssemblerEngine(const typename Traits::Domain &update, typename Traits::Range &result)
Definition: fastdg/localassembler.hh:226
static constexpr bool doLambdaSkeleton()
Definition: fastdg/localassembler.hh:253
void setTime(Real time_)
Definition: fastdg/localassembler.hh:161
bool doPreProcessing() const
Query whether to do preprocessing in the engines.
Definition: fastdg/localassembler.hh:270
LocalResidualAssemblerEngine & localResidualAssemblerEngine(typename Traits::Residual &r, const typename Traits::Solution &x)
Definition: fastdg/localassembler.hh:206
LFSIndexCache< LFSU, CU, true > LFSUCache
Definition: fastdg/localassembler.hh:70
bool doPostProcessing() const
Query whether to do postprocessing in the engines.
Definition: fastdg/localassembler.hh:285
Traits::TestGridFunctionSpace GFSV
Definition: fastdg/localassembler.hh:52
Traits::TrialGridFunctionSpace GFSU
Definition: fastdg/localassembler.hh:51
LocalJacobianAssemblerEngine & localJacobianAssemblerEngine(typename Traits::Jacobian &a, const typename Traits::Solution &x)
Definition: fastdg/localassembler.hh:216
LocalPatternAssemblerEngine & localPatternAssemblerEngine(typename Traits::MatrixPattern &p)
Definition: fastdg/localassembler.hh:197
static constexpr bool doPatternSkeleton()
Definition: fastdg/localassembler.hh:260
RangeField weight() const
Obtain the weight that was set last.
Definition: fastdg/localassembler.hh:167
void preStep(Real time_, Real dt_, std::size_t stages_)
Definition: fastdg/localassembler.hh:180
Dune::PDELab::LocalAssemblerBase< typename Traits::MatrixBackend, CU, CV > Base
The base class of this local assembler.
Definition: fastdg/localassembler.hh:58
void set_trivial_rows(const GFSV &gfsv, GC &globalcontainer, const C &c) const
Definition: fastdg/localassembler.hh:297
FastDGLocalPatternAssemblerEngine< FastDGLocalAssembler > LocalPatternAssemblerEngine
Definition: fastdg/localassembler.hh:77
FastDGLocalJacobianAssemblerEngine< FastDGLocalAssembler > LocalJacobianAssemblerEngine
Definition: fastdg/localassembler.hh:79
Real suggestTimestep(Real dt) const
Definition: fastdg/localassembler.hh:183
void setWeight(RangeField weight)
Notifies the assembler about the current weight of assembling.
Definition: fastdg/localassembler.hh:173
static constexpr bool doPatternVolumePostSkeleton()
Definition: fastdg/localassembler.hh:262
Dune::PDELab::LocalAssemblerTraits< GO > Traits
The traits class.
Definition: fastdg/localassembler.hh:45
static constexpr bool doSkeletonTwoSided()
Definition: fastdg/localassembler.hh:258
void set_trivial_rows(const GFSV &gfsv, GC &globalcontainer, const EmptyTransformation &c) const
Definition: fastdg/localassembler.hh:305
FastDGLocalJacobianApplyAssemblerEngine< FastDGLocalAssembler > LocalJacobianApplyAssemblerEngine
Definition: fastdg/localassembler.hh:80
LocalJacobianApplyAssemblerEngine & localJacobianApplyAssemblerEngine(const typename Traits::Domain &solution, const typename Traits::Domain &update, typename Traits::Range &result)
Definition: fastdg/localassembler.hh:236
static constexpr bool isLinear()
Definition: fastdg/localassembler.hh:263
void handle_dirichlet_constraints(const GFSV &gfsv, GC &globalcontainer) const
Definition: fastdg/localassembler.hh:310
void setPattern(Pattern &pattern_)
Definition: fastdg/patternengine.hh:92
void setSolution(const Solution &solution_)
Definition: fastdg/residualengine.hh:148
void setResidual(Residual &residual_)
Definition: fastdg/residualengine.hh:140