fluid_adjoint_utilities.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   Kratos default license: kratos/license.txt
//
//  Main authors:    Suneth Warnakulasuriya
//
 
#if !defined(KRATOS_FLUID_ADJOINT_UTILITIES_H)
#define KRATOS_FLUID_ADJOINT_UTILITIES_H
 
// System includes
#include <array>
 
// External includes
 
// Project includes
#include "containers/variable.h"
 
// Application includes
 
namespace Kratos
{
 
 
template<unsigned int TDim>
class KRATOS_API(FLUID_DYNAMICS_APPLICATION) FluidAdjointUtilities
{
public:
 
    using IndexType = std::size_t;
 
 
    template <class TDataType>
    static const Variable<double>& GetRelevantVariable(
        const IndexType DirectionIndex,
        const Variable<TDataType>& rVariable,
        const std::array<const Variable<double>*, 3>& rAllVariableComponents);
 
    template <class TDataType, std::size_t TGradientVariableTotalDimensionality>
    static std::array<const Variable<double>*, TDim> GetRelevantGradientVariableComponentList(
        const IndexType DirectionIndex,
        const Variable<TDataType>& rVariable,
        const std::array<const Variable<double>*, TGradientVariableTotalDimensionality>& rAllGradientVariableComponents);
 
};
 
} // namespace Kratos
 
#endif // KRATOS_FLUID_ADJOINT_UTILITIES_H