Function symm

src/OpenFOAM/primitives/Tensor/TensorI.H:517–525

//- Return the symmetric part of a tensor
template<class Cmpt>
inline SymmTensor<Cmpt> symm(const Tensor<Cmpt>& t)
{
    return SymmTensor<Cmpt>
    (
        t.xx(), 0.5*(t.xy() + t.yx()), 0.5*(t.xz() + t.zx()),
                t.yy(),                0.5*(t.yz() + t.zy()),
                                       t.zz()
    );
}


//- Return twice the symmetric part of a tensor