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- W1989469489 abstract "The Lagrange-Galerkin method has proved a very successful method in computational fluid dynamics (CFD), in practice, but it has suffered from question marks about its stability when the integrals are approximated by quadratures. In this paper we will prove instability for wider ranges of quadrature formulae than previously considered. We will also introduce on approximate integration technique on triangular grids that cheaply recovers the unconditional stability of the Lagrange-Galerkin method with no loss in accuracy. The same technique can also be used for the exact projection of data from one arbitrary triangular grid to another, different, arbitrary triangular grid. This could be used in grid adaptation algorithms or in triangular multigrid procedures." @default.
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- W1989469489 date "1994-06-01" @default.
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- W1989469489 title "Exact Projections and the Lagrange-Galerkin Method: A Realistic Alternative to Quadrature" @default.
- W1989469489 doi "https://doi.org/10.1006/jcph.1994.1104" @default.
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