freeflow/navierstokes/indices.hh

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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#ifndef DUMUX_NAVIERSTOKES_INDICES_HH
#define DUMUX_NAVIERSTOKES_INDICES_HH
 
namespace Dumux {
 
template <int dimension>
struct NavierStokesIndices
{
    static constexpr int dimXIdx = 0; 
    static constexpr int dimYIdx = 1; 
    static constexpr int dimZIdx = 2; 
 
    static constexpr int conti0EqIdx = dimension; 
    static constexpr int pressureIdx = conti0EqIdx; 
 
    static constexpr auto dim = dimension;
 
    static constexpr int momentumXBalanceIdx = 0; 
    static constexpr int momentumYBalanceIdx = 1; 
    static constexpr int momentumZBalanceIdx = 2; 
 
    static constexpr int velocityXIdx = 0; 
    static constexpr int velocityYIdx = 1; 
    static constexpr int velocityZIdx = 2; 
 
    static constexpr int velocity(int dirIdx)
    {
        return dirIdx;
    }
};
 
} // end namespace Dumux
 
#endif