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 
125  void setTime(Real time_)
126  {
127  lop->setTime(time_);
128  }
129 
132  {
133  return weight_;
134  }
135 
138  weight_ = weight;
139  }
140 
143  void preStage (Real time_, int r_) { lop->preStage(time_,r_); }
144  void preStep (Real time_, Real dt_, std::size_t stages_){ lop->preStep(time_,dt_,stages_); }
145  void postStep (){ lop->postStep(); }
146  void postStage (){ lop->postStage(); }
147  Real suggestTimestep (Real dt) const{return lop->suggestTimestep(dt); }
149 
151  {
152  return _reconstruct_border_entries;
153  }
154 
157 
161  (typename Traits::MatrixPattern & p)
162  {
163  pattern_engine.setPattern(p);
164  return pattern_engine;
165  }
166 
170  (typename Traits::Residual & r, const typename Traits::Solution & x)
171  {
172  residual_engine.setResidual(r);
173  residual_engine.setSolution(x);
174  return residual_engine;
175  }
176 
180  (typename Traits::Jacobian & a, const typename Traits::Solution & x)
181  {
182  jacobian_engine.setJacobian(a);
183  jacobian_engine.setSolution(x);
184  return jacobian_engine;
185  }
186 
190  (const typename Traits::Domain & update, typename Traits::Range & result)
191  {
192  jacobian_apply_engine.setUpdate(update);
193  jacobian_apply_engine.setResult(result);
194  return jacobian_apply_engine;
195  }
196 
200  (const typename Traits::Domain & solution, const typename Traits::Domain & update, typename Traits::Range & result)
201  {
202  jacobian_apply_engine.setSolution(solution);
203  jacobian_apply_engine.setUpdate(update);
204  jacobian_apply_engine.setResult(result);
205  return jacobian_apply_engine;
206  }
207 
209 
214  static constexpr bool doAlphaVolume() { return LOP::doAlphaVolume; }
215  static constexpr bool doLambdaVolume() { return LOP::doLambdaVolume; }
216  static constexpr bool doAlphaSkeleton() { return LOP::doAlphaSkeleton; }
217  static constexpr bool doLambdaSkeleton() { return LOP::doLambdaSkeleton; }
218  static constexpr bool doAlphaBoundary() { return LOP::doAlphaBoundary; }
219  static constexpr bool doLambdaBoundary() { return LOP::doLambdaBoundary; }
220  static constexpr bool doAlphaVolumePostSkeleton() { return LOP::doAlphaVolumePostSkeleton; }
221  static constexpr bool doLambdaVolumePostSkeleton() { return LOP::doLambdaVolumePostSkeleton; }
222  static constexpr bool doSkeletonTwoSided() { return LOP::doSkeletonTwoSided; }
223  static constexpr bool doPatternVolume() { return LOP::doPatternVolume; }
224  static constexpr bool doPatternSkeleton() { return LOP::doPatternSkeleton; }
225  static constexpr bool doPatternBoundary() { return LOP::doPatternBoundary; }
226  static constexpr bool doPatternVolumePostSkeleton() { return LOP::doPatternVolumePostSkeleton; }
227  static constexpr bool isLinear() { return LOP::isLinear;}
229 
231 
234  bool doPreProcessing() const { return doPreProcessing_; }
235 
240  void preProcessing(bool v)
241  {
242  doPreProcessing_ = v;
243  }
244 
246 
249  bool doPostProcessing() const { return doPostProcessing_; }
250 
255  void postProcessing(bool v)
256  {
257  doPostProcessing_ = v;
258  }
259 
260  template<typename GFSV, typename GC, typename C>
261  void set_trivial_rows(const GFSV& gfsv, GC& globalcontainer, const C& c) const
262  {
263  typedef typename C::const_iterator global_row_iterator;
264  for (global_row_iterator cit = c.begin(); cit != c.end(); ++cit)
265  globalcontainer.clear_row_block(cit->first,1);
266  }
267 
268  template<typename GFSV, typename GC>
269  void set_trivial_rows(const GFSV& gfsv, GC& globalcontainer, const EmptyTransformation& c) const
270  {
271  }
272 
273  template<typename GFSV, typename GC>
274  void handle_dirichlet_constraints(const GFSV& gfsv, GC& globalcontainer) const
275  {
276  globalcontainer.flush();
277  set_trivial_rows(gfsv,globalcontainer,*this->pconstraintsv);
278  globalcontainer.finalize();
279  }
280 
281  private:
282 
284  std::shared_ptr<LOP> lop;
285 
287  RangeField weight_;
288 
291  bool doPreProcessing_;
292 
295  bool doPostProcessing_;
296 
299  LocalPatternAssemblerEngine pattern_engine;
300  LocalResidualAssemblerEngine residual_engine;
301  LocalJacobianAssemblerEngine jacobian_engine;
302  LocalJacobianApplyAssemblerEngine jacobian_apply_engine;
304 
305  bool _reconstruct_border_entries;
306  };
307 
308  } // end namespace PDELab
309 } // end namespace Dune
310 #endif
const P & p
Definition: constraints.hh:148
For backward compatibility – Do not use this!
Definition: adaptivity.hh:28
Definition: constraintstransformation.hh:112
Definition: lfsindexcache.hh:979
Create a local function space from a global function space.
Definition: localfunctionspace.hh:717
Definition: assemblerutilities.hh:23
GO::Traits::Range Residual
The type of the range (residual).
Definition: assemblerutilities.hh:60
MatrixBackend::template Pattern< Jacobian, TestGridFunctionSpace, TrialGridFunctionSpace > MatrixPattern
The matrix pattern.
Definition: assemblerutilities.hh:74
GO::Traits::TrialGridFunctionSpace TrialGridFunctionSpace
The trial grid function space.
Definition: assemblerutilities.hh:26
GO::Traits::Jacobian Jacobian
The type of the jacobian.
Definition: assemblerutilities.hh:67
GO::Traits::TestGridFunctionSpace TestGridFunctionSpace
The test grid function space.
Definition: assemblerutilities.hh:29
GO::Traits::Domain Solution
The type of the domain (solution).
Definition: assemblerutilities.hh:50
GO::Traits::Range Range
The type of the range (residual).
Definition: assemblerutilities.hh:57
GO::Traits::Domain Domain
The type of the domain (solution).
Definition: assemblerutilities.hh:47
GO::Traits::TrialGridFunctionSpaceConstraints TrialGridFunctionSpaceConstraints
The type of the trial grid function space constraints.
Definition: assemblerutilities.hh:33
GO::Traits::TestGridFunctionSpaceConstraints TestGridFunctionSpaceConstraints
The type of the test grid function space constraints.
Definition: assemblerutilities.hh:36
Base class for local assembler.
Definition: assemblerutilities.hh:189
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:220
static constexpr bool doPatternVolume()
Definition: fastdg/localassembler.hh:223
static constexpr bool doLambdaBoundary()
Definition: fastdg/localassembler.hh:219
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:146
LFSIndexCache< LFSV, CV, true > LFSVCache
Definition: fastdg/localassembler.hh:71
bool reconstructBorderEntries() const
Definition: fastdg/localassembler.hh:150
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
Dune::PDELab::LocalFunctionSpace< GFSU, Dune::PDELab::TrialSpaceTag > LFSU
Definition: fastdg/localassembler.hh:68
static constexpr bool doLambdaVolume()
Definition: fastdg/localassembler.hh:215
void postStep()
Definition: fastdg/localassembler.hh:145
LOP & localOperator()
get a reference to the local operator
Definition: fastdg/localassembler.hh:111
static constexpr bool doPatternBoundary()
Definition: fastdg/localassembler.hh:225
Traits::TestGridFunctionSpaceConstraints CV
Definition: fastdg/localassembler.hh:55
void postProcessing(bool v)
Definition: fastdg/localassembler.hh:255
static constexpr bool doAlphaSkeleton()
Definition: fastdg/localassembler.hh:216
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:214
static constexpr bool doLambdaVolumePostSkeleton()
Definition: fastdg/localassembler.hh:221
RangeField Real
Definition: fastdg/localassembler.hh:49
void preStage(Real time_, int r_)
Definition: fastdg/localassembler.hh:143
static constexpr bool doAlphaBoundary()
Definition: fastdg/localassembler.hh:218
void preProcessing(bool v)
Definition: fastdg/localassembler.hh:240
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:190
static constexpr bool doLambdaSkeleton()
Definition: fastdg/localassembler.hh:217
void setTime(Real time_)
Definition: fastdg/localassembler.hh:125
bool doPreProcessing() const
Query whether to do preprocessing in the engines.
Definition: fastdg/localassembler.hh:234
LocalResidualAssemblerEngine & localResidualAssemblerEngine(typename Traits::Residual &r, const typename Traits::Solution &x)
Definition: fastdg/localassembler.hh:170
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:249
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:180
LocalPatternAssemblerEngine & localPatternAssemblerEngine(typename Traits::MatrixPattern &p)
Definition: fastdg/localassembler.hh:161
static constexpr bool doPatternSkeleton()
Definition: fastdg/localassembler.hh:224
RangeField weight() const
Obtain the weight that was set last.
Definition: fastdg/localassembler.hh:131
void preStep(Real time_, Real dt_, std::size_t stages_)
Definition: fastdg/localassembler.hh:144
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:261
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:147
void setWeight(RangeField weight)
Notifies the assembler about the current weight of assembling.
Definition: fastdg/localassembler.hh:137
static constexpr bool doPatternVolumePostSkeleton()
Definition: fastdg/localassembler.hh:226
Dune::PDELab::LocalAssemblerTraits< GO > Traits
The traits class.
Definition: fastdg/localassembler.hh:45
static constexpr bool doSkeletonTwoSided()
Definition: fastdg/localassembler.hh:222
void set_trivial_rows(const GFSV &gfsv, GC &globalcontainer, const EmptyTransformation &c) const
Definition: fastdg/localassembler.hh:269
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:200
static constexpr bool isLinear()
Definition: fastdg/localassembler.hh:227
void handle_dirichlet_constraints(const GFSV &gfsv, GC &globalcontainer) const
Definition: fastdg/localassembler.hh:274
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