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Panzer_OrientationsInterface.cpp
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3//
4// Panzer: A partial differential equation assembly
5// engine for strongly coupled complex multiphysics systems
6// Copyright (2011) Sandia Corporation
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8// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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42
44
47#include "PanzerDiscFE_config.hpp"
50#include "Panzer_NodeType.hpp"
51#include "Tpetra_Import.hpp"
52#include "Tpetra_MultiVector.hpp"
53
54namespace panzer {
55
56namespace
57{
58
59void
60buildIntrepidOrientation(const Teuchos::RCP<const Teuchos::Comm<int>> & comm,
62 std::vector<Intrepid2::Orientation> & orientations)
63{
64
65 using MVector = Tpetra::MultiVector<panzer::GlobalOrdinal, panzer::LocalOrdinal, panzer::GlobalOrdinal, panzer::TpetraNodeType>;
66 using Map = Tpetra::Map<panzer::LocalOrdinal,panzer::GlobalOrdinal,panzer::TpetraNodeType>;
67 using Importer = Tpetra::Import<panzer::LocalOrdinal,panzer::GlobalOrdinal,panzer::TpetraNodeType>;
68 using NodeView = Kokkos::View<panzer::GlobalOrdinal*, Kokkos::DefaultHostExecutionSpace>;
69
70 // First we need to build the indexing scheme
71 PHX::View<panzer::GlobalOrdinal*> owned_cells, ghost_cells, virtual_cells;
72 fillLocalCellIDs(comm, conn, owned_cells, ghost_cells, virtual_cells);
73
74 // Build a map and importer for syncing the nodal connectivity
75 auto owned_cell_map = Teuchos::rcp(new Map(Teuchos::OrdinalTraits<Tpetra::global_size_t>::invalid(),owned_cells,0,comm));
76 auto ghost_cell_map = Teuchos::rcp(new Map(Teuchos::OrdinalTraits<Tpetra::global_size_t>::invalid(),ghost_cells,0,comm));
77
78 // Build importer: imports from owned cells map to ghost cell map
79 auto importer = Teuchos::rcp(new Importer(owned_cell_map,ghost_cell_map));
80
81 // Grab the cell topology from the conn manager
82 shards::CellTopology topology;
83 {
84 // Retrive element blocks and its meta data
85 const int numElementBlocks = conn.numElementBlocks();
86
87 std::vector<std::string> elementBlockIds;
88 std::vector<shards::CellTopology> elementBlockTopologies;
89
90 conn.getElementBlockIds(elementBlockIds);
91 conn.getElementBlockTopologies(elementBlockTopologies);
92
93 TEUCHOS_TEST_FOR_EXCEPTION(numElementBlocks <= 0 &&
94 numElementBlocks != static_cast<int>(elementBlockIds.size()) &&
95 numElementBlocks != static_cast<int>(elementBlockTopologies.size()),
96 std::logic_error,
97 "panzer::buildIntrepidOrientation: Number of element blocks does not match to element block meta data");
98
99 topology = elementBlockTopologies.at(0);
100 }
101 const int num_nodes_per_cell = topology.getVertexCount();
102
103 // Create Tpetra multivectors for storing global node ids
104 auto owned_nodes_vector = Teuchos::rcp(new MVector(owned_cell_map,num_nodes_per_cell));
105 auto ghost_nodes_vector = Teuchos::rcp(new MVector(ghost_cell_map,num_nodes_per_cell));
106
107 // Make sure the conn is setup for a nodal connectivity
108 panzer::NodalFieldPattern pattern(topology);
109 conn.buildConnectivity(pattern);
110
111 const int num_owned_cells = owned_cells.extent(0);
112 const int num_ghost_cells = ghost_cells.extent(0);
113
114 // Initialize the orientations vector
115 orientations.clear();
116 orientations.resize(num_owned_cells+num_ghost_cells);
117
118 // Fill the owned vector with the nodal connectivity of the cells on this processor
119 {
120 auto vector_view = owned_nodes_vector->getLocalViewHost(Tpetra::Access::OverwriteAll);
121 for(int cell=0; cell<owned_cells.extent_int(0); ++cell){
122 const GlobalOrdinal * nodes = conn.getConnectivity(cell);
123 for(int node=0; node<num_nodes_per_cell; ++node)
124 vector_view(cell,node) = nodes[node];
125 }
126 }
127
128 // Import into the ghost vector
129 ghost_nodes_vector->doImport(*owned_nodes_vector,*importer,Tpetra::CombineMode::REPLACE);
130
131 // Add owned orientations
132 {
133 auto vector_view = owned_nodes_vector->getLocalViewHost(Tpetra::Access::ReadOnly);
134 for(int cell=0; cell<num_owned_cells; ++cell){
135 NodeView nodes("nodes",num_nodes_per_cell);
136 for(int node=0; node<num_nodes_per_cell; ++node)
137 nodes(node) = vector_view(cell,node);
138 orientations[cell] = Intrepid2::Orientation::getOrientation(topology, nodes);
139 }
140 }
141
142 // Add ghost orientations
143 {
144 auto vector_view = ghost_nodes_vector->getLocalViewHost(Tpetra::Access::ReadOnly);
145 for(int ghost_cell=0; ghost_cell<num_ghost_cells; ++ghost_cell){
146 const int cell = num_owned_cells + ghost_cell;
147 NodeView nodes("nodes",num_nodes_per_cell);
148 for(int node=0; node<num_nodes_per_cell; ++node)
149 nodes(node) = vector_view(ghost_cell,node);
150 orientations[cell] = Intrepid2::Orientation::getOrientation(topology, nodes);
151 }
152 }
153
154}
155
156Teuchos::RCP<std::vector<Intrepid2::Orientation> >
157buildIntrepidOrientation(const Teuchos::RCP<const GlobalIndexer> globalIndexer)
158{
159 using Teuchos::rcp_dynamic_cast;
160 using Teuchos::RCP;
161 using Teuchos::rcp;
162
163 auto orientation = rcp(new std::vector<Intrepid2::Orientation>);
164
165 auto comm = globalIndexer->getComm();
166 auto conn = globalIndexer->getConnManager()->noConnectivityClone();
167
168 TEUCHOS_TEST_FOR_EXCEPTION(conn == Teuchos::null,std::logic_error,
169 "panzer::buildIntrepidOrientation: Could not cast ConnManagerBase");
170
171 buildIntrepidOrientation(comm, *conn, *orientation);
172 return orientation;
173
174}
175
176}
177
179OrientationsInterface(const Teuchos::RCP<const panzer::GlobalIndexer> & indexer)
180{
182}
183
184
185Teuchos::RCP<const std::vector<Intrepid2::Orientation> >
187getOrientations() const
188{
189 TEUCHOS_ASSERT(not orientations_.is_null());
190 return orientations_;
191}
192
193}
Pure virtual base class for supplying mesh connectivity information to the DOF Manager.
virtual std::size_t numElementBlocks() const =0
virtual Teuchos::RCP< ConnManager > noConnectivityClone() const =0
virtual void buildConnectivity(const FieldPattern &fp)=0
virtual const GlobalOrdinal * getConnectivity(LocalOrdinal localElmtId) const =0
virtual void getElementBlockIds(std::vector< std::string > &elementBlockIds) const =0
virtual void getElementBlockTopologies(std::vector< shards::CellTopology > &elementBlockTopologies) const =0
Teuchos::RCP< const std::vector< Intrepid2::Orientation > > orientations_
Orientations.
OrientationsInterface()=delete
Block default constructor.
Teuchos::RCP< const std::vector< Intrepid2::Orientation > > getOrientations() const
void buildIntrepidOrientation(std::vector< Intrepid2::Orientation > &orientation, panzer::ConnManager &connMgr)
void fillLocalCellIDs(const Teuchos::RCP< const Teuchos::Comm< int > > &comm, panzer::ConnManager &conn, PHX::View< panzer::GlobalOrdinal * > &owned_cells, PHX::View< panzer::GlobalOrdinal * > &ghost_cells, PHX::View< panzer::GlobalOrdinal * > &virtual_cells)
Get the owned, ghost and virtual global cell ids for this process.