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Panzer_DOF_PointField_impl.hpp
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4// Panzer: A partial differential equation assembly
5// engine for strongly coupled complex multiphysics systems
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42
43#ifndef PANZER_DOF_POINT_FIELD_DECL_HPP
44#define PANZER_DOF_POINT_FIELD_DECL_HPP
45
48
49#include "Intrepid2_FunctionSpaceTools.hpp"
50
51#include "Phalanx_DataLayout_MDALayout.hpp"
52
53namespace panzer {
54
55//**********************************************************************
56template <typename EvalT, typename TRAITST>
57void DOF_PointField<EvalT,TRAITST>::initialize(const std::string & fieldName,
58 const PureBasis & fieldBasis,
59 const std::string & coordinateName,
60 const Teuchos::RCP<PHX::DataLayout> & coordLayout,
61 const Teuchos::RCP<PHX::DataLayout> & quadLayout,
62 const std::string & postfixFieldName)
63{
64 intrepidBasis = fieldBasis.getIntrepid2Basis();
65
66 int cellCount = fieldBasis.functional->extent(0);
67 int coeffCount = fieldBasis.functional->extent(1);
68 int pointCount = coordLayout->extent(0);
69 int dimCount = coordLayout->extent(1);
70
71 Teuchos::RCP<PHX::DataLayout> basisLayout = fieldBasis.functional;
72
73 coordinates = PHX::MDField<const ScalarT,Point,Dim>(coordinateName,coordLayout);
74 dof_coeff = PHX::MDField<const ScalarT>(fieldName,basisLayout);
75 dof_field = PHX::MDField<ScalarT>(fieldName+postfixFieldName,quadLayout);
76
77 this->addDependentField(coordinates);
78 this->addDependentField(dof_coeff);
79 this->addEvaluatedField(dof_field);
80
81 // build data storage for temporary conversion
82 basisRef = Kokkos::DynRankView<double,PHX::Device>("basisRef",coeffCount,pointCount);
83 basis = Kokkos::DynRankView<double,PHX::Device>("basis",cellCount,coeffCount,pointCount);
84 intrpCoords = Kokkos::DynRankView<double,PHX::Device>("intrpCoords",pointCount,dimCount);
85
86 std::string n = "DOF_PointField: " + dof_field.fieldTag().name();
87 this->setName(n);
88}
89
90//**********************************************************************
91template <typename EvalT, typename TRAITST>
92void DOF_PointField<EvalT,TRAITST>::evaluateFields(typename TRAITST::EvalData workset)
93{
94 // Zero out arrays (intrepid does a sum! 1/17/2012)
95 dof_field.deep_copy(ScalarT(0.0));
96
97 // copy coordinates
98 auto l_intrpCoords = PHX::as_view(intrpCoords);
99 auto l_coordinates = coordinates.get_static_view();
100 Kokkos::parallel_for("DOF PointFields", l_coordinates.extent_int(0), KOKKOS_LAMBDA (int i) {
101 for (int j = 0; j < l_coordinates.extent_int(1); ++j)
102 l_intrpCoords(i,j) = Sacado::scalarValue(l_coordinates(i,j));
103 });
104
105 if(workset.num_cells>0) {
106 // evaluate at reference points
107 intrepidBasis->getValues(basisRef, intrpCoords, Intrepid2::OPERATOR_VALUE);
108
109 // transfer reference basis values to physical frame values
110 Intrepid2::FunctionSpaceTools<PHX::exec_space>::
111 HGRADtransformVALUE(basis,basisRef);
112
113 // evaluate function at specified points
114 Intrepid2::FunctionSpaceTools<PHX::exec_space>::
115 evaluate(dof_field.get_view(),dof_coeff.get_view(),basis);
116 }
117 Kokkos::fence();
118}
119
120//**********************************************************************
121
122}
123
124#endif
void initialize(const std::string &fieldName, const PureBasis &fieldBasis, const std::string &coordinateName, const Teuchos::RCP< PHX::DataLayout > &coordLayout, const Teuchos::RCP< PHX::DataLayout > &quadLayout, const std::string &postfixFieldName)
Convenience initialization routine, see constructor above.
void evaluateFields(typename TRAITST::EvalData workset)
Description and data layouts associated with a particular basis.
Teuchos::RCP< Intrepid2::Basis< PHX::Device::execution_space, double, double > > getIntrepid2Basis() const
Teuchos::RCP< PHX::DataLayout > functional
<Cell,Basis> or <Cell,Basis>