Implementing Spectral Methods for Partial Differential Equations: Algorithms for Scientists and Engineers

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Split form nodal discontinuous Galerkin schemes with summation-by-parts property for the compressible Euler equations (2016, methodology): “We create a polynomial transformation X(ξ) to map computational coordinates in the reference cube ξ = (ξ1, ξ2, ξ3) = (ξ, η, ζ) to physical coordinates x = (x, y, z) ∈ C, for details see [25].”
High‐order discontinuous Galerkin spectral element methods for transitional and turbulent flow simulations (2014, methodology): “Following Kopriva [39], theNC1 Gauss–Legendre quadrature points ¹ iºNiD0 are chosen as interpolation nodes.”