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Panzer_Integrator_Scalar_impl.hpp
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42 
43 #ifndef PANZER_EVALUATOR_SCALAR_IMPL_HPP
44 #define PANZER_EVALUATOR_SCALAR_IMPL_HPP
45 
46 #include "Intrepid2_FunctionSpaceTools.hpp"
49 #include "Kokkos_ViewFactory.hpp"
50 #include "Phalanx_DataLayout_MDALayout.hpp"
51 
52 namespace panzer {
53 
54 //**********************************************************************
55 template<typename EvalT, typename Traits>
58  const Teuchos::ParameterList& p) : quad_index(0)
59 {
61  p.validateParameters(*valid_params);
62 
65 
67  integral = PHX::MDField<ScalarT>( p.get<std::string>("Integral Name"), dl_cell);
68  scalar = PHX::MDField<const ScalarT,Cell,IP>( p.get<std::string>("Integrand Name"), ir->dl_scalar);
69 
70  this->addEvaluatedField(integral);
71  this->addDependentField(scalar);
72 
73  multiplier = 1.0;
74  if(p.isType<double>("Multiplier"))
75  multiplier = p.get<double>("Multiplier");
76 
77  if (p.isType<Teuchos::RCP<const std::vector<std::string> > >("Field Multipliers")) {
78  const std::vector<std::string>& field_multiplier_names =
79  *(p.get<Teuchos::RCP<const std::vector<std::string> > >("Field Multipliers"));
80 
81  field_multipliers_h = typename PHX::View<PHX::UnmanagedView<const ScalarT**>* >::HostMirror("FieldMultipliersHost", field_multiplier_names.size());
82  field_multipliers = PHX::View<PHX::UnmanagedView<const ScalarT**>* >("FieldMultipliersDevice", field_multiplier_names.size());
83 
84  int cnt=0;
85  for (std::vector<std::string>::const_iterator name =
86  field_multiplier_names.begin();
87  name != field_multiplier_names.end(); ++name, ++cnt) {
89  this->addDependentField(tmp_field.fieldTag(),field_multipliers_h(cnt));
90  }
91  }
92 
93  std::string n = "Integrator_Scalar: " + integral.fieldTag().name();
94  this->setName(n);
95 }
96 
97 //**********************************************************************
98 template<typename EvalT, typename Traits>
99 void
102  typename Traits::SetupData sd,
103  PHX::FieldManager<Traits>& /* fm */)
104 {
105  num_qp = scalar.extent(1);
106  tmp = Kokkos::createDynRankView(scalar.get_static_view(),"tmp", scalar.extent(0), num_qp);
107  quad_index = panzer::getIntegrationRuleIndex(quad_order,(*sd.worksets_)[0], this->wda);
108 
109  Kokkos::deep_copy(field_multipliers, field_multipliers_h);
110 }
111 
112 
113 //**********************************************************************
114 template<typename EvalT, typename Traits>
115 void
118  typename Traits::EvalData workset)
119 {
120 
121  const auto wm = this->wda(workset).int_rules[quad_index]->weighted_measure;
122 
123  auto l_tmp = tmp;
124  auto l_multiplier = multiplier;
125  auto l_scalar = scalar;
126  auto l_field_multipliers = field_multipliers;
127  auto l_num_qp = num_qp;
128  auto l_integral = integral.get_static_view();
129 
130  Kokkos::parallel_for("IntegratorScalar", workset.num_cells, KOKKOS_LAMBDA (int cell) {
131  for (std::size_t qp = 0; qp < l_num_qp; ++qp) {
132  l_tmp(cell,qp) = l_multiplier * l_scalar(cell,qp);
133  for (size_t f=0;f<l_field_multipliers.extent(0); ++f)
134  l_tmp(cell,qp) *= l_field_multipliers(f)(cell,qp);
135  }
136  l_integral(cell) = 0.0;
137  for (std::size_t qp = 0; qp < l_num_qp; ++qp) {
138  l_integral(cell) += l_tmp(cell, qp)*wm(cell, qp);
139  }
140  } );
141  Kokkos::fence();
142 }
143 
144 //**********************************************************************
145 template<typename EvalT, typename TRAITS>
148 {
150  p->set<std::string>("Integral Name", "?");
151  p->set<std::string>("Integrand Name", "?");
152 
154  p->set("IR", ir);
155  p->set<double>("Multiplier", 1.0);
156 
158  p->set("Field Multipliers", fms);
159  return p;
160 }
161 
162 //**********************************************************************
163 
164 }
165 
166 #endif
Kokkos::DynRankView< typename InputArray::value_type, PHX::Device > createDynRankView(const InputArray &a, const std::string &name, const DimensionPack...dims)
Wrapper to simplify Panzer use of Sacado ViewFactory.
int num_cells
DEPRECATED - use: numCells()
T & get(const std::string &name, T def_value)
ParameterList & set(std::string const &name, T const &value, std::string const &docString="", RCP< const ParameterEntryValidator > const &validator=null)
std::vector< int >::size_type getIntegrationRuleIndex(int ir_degree, const panzer::Workset &workset, WorksetDetailsAccessor &wda)
Teuchos::RCP< Teuchos::ParameterList > getValidParameters() const
double multiplier
The scalar multiplier out in front of the integral ( ).
TEUCHOS_DEPRECATED RCP< T > rcp(T *p, Dealloc_T dealloc, bool owns_mem)
PHX::View< PHX::UnmanagedView< const ScalarT ** > * >::HostMirror field_multipliers_h
Teuchos::RCP< PHX::DataLayout > dl_scalar
Data layout for scalar fields.
PHX::View< PHX::UnmanagedView< const ScalarT ** > * > field_multipliers
Integrator_Scalar(const Teuchos::ParameterList &p)
PHX::MDField< const ScalarT, Cell, IP > scalar
void validateParameters(ParameterList const &validParamList, int const depth=1000, EValidateUsed const validateUsed=VALIDATE_USED_ENABLED, EValidateDefaults const validateDefaults=VALIDATE_DEFAULTS_ENABLED) const
bool isType(const std::string &name) const
void evaluateFields(typename Traits::EvalData d)
void postRegistrationSetup(typename Traits::SetupData d, PHX::FieldManager< Traits > &fm)
Teuchos::RCP< const std::vector< panzer::Workset > > worksets_