Panzer_IntrepidOrientation.cpp

Go to the documentation of this file.

// @HEADER
// ***********************************************************************
//
//           Panzer: A partial differential equation assembly
//       engine for strongly coupled complex multiphysics systems
//                 Copyright (2011) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Roger P. Pawlowski (rppawlo@sandia.gov) and
// Eric C. Cyr (eccyr@sandia.gov)
// ***********************************************************************
// @HEADER
 
#include "PanzerDiscFE_config.hpp"
#include "Panzer_GlobalIndexer.hpp"
#include "Panzer_IntrepidOrientation.hpp"
 
namespace panzer {
 
  void buildIntrepidOrientation(std::vector<Intrepid2::Orientation> & orientation,
                                panzer::ConnManager & connMgr)
  {
    using Teuchos::rcp_dynamic_cast;
    using Teuchos::RCP;
    using Teuchos::rcp;
 
    orientation.clear();
 
    // Retrive element blocks and its meta data
    const int numElementBlocks = connMgr.numElementBlocks();
 
    std::vector<std::string> elementBlockIds;
    std::vector<shards::CellTopology> elementBlockTopologies;
 
    connMgr.getElementBlockIds(elementBlockIds);
    connMgr.getElementBlockTopologies(elementBlockTopologies);
 
    TEUCHOS_TEST_FOR_EXCEPTION(numElementBlocks <= 0 &&
                               numElementBlocks != static_cast<int>(elementBlockIds.size()) &&
                               numElementBlocks != static_cast<int>(elementBlockTopologies.size()),
                               std::logic_error,
                               "panzer::buildIntrepidOrientation: Number of element blocks does not match to element block meta data");
 
    // Currently panzer support only one type of elements for whole mesh (use the first cell topology)
    const auto cellTopo = elementBlockTopologies.at(0);
    const int numVertexPerCell = cellTopo.getVertexCount();
 
    const auto fp = NodalFieldPattern(cellTopo);
    connMgr.buildConnectivity(fp);
 
    // Count and pre-alloc orientations
    int total_elems = 0;
    for (int i=0;i<numElementBlocks;++i) {
      total_elems += connMgr.getElementBlock(elementBlockIds.at(i)).size();
    }
 
    orientation.resize(total_elems);
    // Loop over element blocks
    for (int i=0;i<numElementBlocks;++i) {
      // get elements in a block
      const auto &elementBlock = connMgr.getElementBlock(elementBlockIds.at(i));
 
      const int numElementsPerBlock = elementBlock.size();
 
      // construct orientation information
      for (int c=0;c<numElementsPerBlock;++c) {
        const int localCellId = elementBlock.at(c);
        Kokkos::View<const panzer::GlobalOrdinal*,Kokkos::HostSpace>
          nodes(connMgr.getConnectivity(localCellId), numVertexPerCell);
        orientation[localCellId] = (Intrepid2::Orientation::getOrientation(cellTopo, nodes));
      }
    }
  }
 
  Teuchos::RCP<std::vector<Intrepid2::Orientation> >
  buildIntrepidOrientation(const Teuchos::RCP<const GlobalIndexer> globalIndexer)
  {
    using Teuchos::rcp_dynamic_cast;
    using Teuchos::RCP;
    using Teuchos::rcp;
 
    auto orientation = rcp(new std::vector<Intrepid2::Orientation>);
 
    {
      RCP<const GlobalIndexer> ugi
        = rcp_dynamic_cast<const GlobalIndexer>(globalIndexer);
 
      if (ugi!=Teuchos::null) {
        const auto connMgr = ugi->getConnManager()->noConnectivityClone();
 
        TEUCHOS_TEST_FOR_EXCEPTION(connMgr == Teuchos::null,std::logic_error,
                                   "panzer::buildIntrepidOrientation: ConnManager is null!");
 
        buildIntrepidOrientation(*orientation, *connMgr);
        return orientation;
      }
    }
 
    TEUCHOS_TEST_FOR_EXCEPTION(true,std::logic_error,
                               "panzer::buildIntrepidOrientation: Could not cast GlobalIndexer");
  }
 
} // end namespace panzer