MomentumNSOKeElemKernel.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 MOMENTUMNSOKEELEMKERNEL_H
#define MOMENTUMNSOKEELEMKERNEL_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 SolutionOptions;
class MasterElement;
class ElemDataRequests;

template<typename AlgTraits>
class MomentumNSOKeElemKernel : public Kernel
{
public:
  MomentumNSOKeElemKernel(
    const stk::mesh::BulkData&,
    const SolutionOptions&,
    VectorFieldType*,
    GenericFieldType*,
    const double,
    ElemDataRequests&);

  virtual ~MomentumNSOKeElemKernel() {}

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

private:
  MomentumNSOKeElemKernel() = delete;

  VectorFieldType *velocityNp1_{nullptr};
  ScalarFieldType *densityNp1_{nullptr};
  ScalarFieldType *pressure_{nullptr};
  VectorFieldType *velocityRTM_{nullptr};
  VectorFieldType *coordinates_{nullptr};
  GenericFieldType *Gju_{nullptr};
  VectorFieldType *Gjp_{nullptr};

  // master element
  const int *lrscv_;

  const double Cupw_{0.1};
  const double small_{1.0e-16};
  const double fourthFac_;
  const bool shiftedGradOp_;

  // fixed scratch space
  Kokkos::View<DoubleType[AlgTraits::numScsIp_][AlgTraits::nodesPerElement_]> v_shape_function_{"v_shape_function"};
};

}  // nalu
}  // sierra

#endif /* MOMENTUMNSOKEELEMKERNEL_H */