ScalarMassElemKernel.h

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/*------------------------------------------------------------------------*/
/*  Copyright 2014 National Renewable Energy Laboratory.                  */
/*  This software is released under the license detailed                  */
/*  in the file, LICENSE, which is located in the top-level Nalu          */
/*  directory structure                                                   */
/*------------------------------------------------------------------------*/

#ifndef SCALARMASSELEMKERNEL_H
#define SCALARMASSELEMKERNEL_H

#include "Kernel.h"
#include "FieldTypeDef.h"

#include <stk_mesh/base/BulkData.hpp>
#include <stk_mesh/base/Entity.hpp>

#include <Kokkos_Core.hpp>

namespace sierra {
namespace nalu {

class TimeIntegrator;
class SolutionOptions;
class MasterElement;
class ElemDataRequests;

template<typename AlgTraits>
class ScalarMassElemKernel: public Kernel
{
public:
  ScalarMassElemKernel(
    const stk::mesh::BulkData&,
    const SolutionOptions&,
    ScalarFieldType*,
    ElemDataRequests&,
    const bool);

  virtual ~ScalarMassElemKernel();

  virtual void setup(const TimeIntegrator&);

  virtual void execute(
    SharedMemView<DoubleType**>&,
    SharedMemView<DoubleType*>&,
    ScratchViews<DoubleType>&);

private:
  ScalarMassElemKernel() = delete;

  ScalarFieldType *scalarQNm1_{nullptr};
  ScalarFieldType *scalarQN_{nullptr};
  ScalarFieldType *scalarQNp1_{nullptr};
  ScalarFieldType *densityNm1_{nullptr};
  ScalarFieldType *densityN_{nullptr};
  ScalarFieldType *densityNp1_{nullptr};
  VectorFieldType *coordinates_{nullptr};

  double dt_{0.0};
  double gamma1_{0.0};
  double gamma2_{0.0};
  double gamma3_{0.0};
  const bool lumpedMass_;

  const int* ipNodeMap_;

  Kokkos::View<DoubleType[AlgTraits::numScvIp_][AlgTraits::nodesPerElement_]> v_shape_function_ {"view_shape_func"};
};

}  // nalu
}  // sierra

#endif /* SCALARMASSELEMKERNEL_H */