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Paper detail

Error estimate of a consistent splitting GSAV scheme for the Navier-Stokes equations

We carry out a rigorous error analysis of the first-order semi-discrete (in time) consistent splitting scheme coupled with a generalized scalar auxiliary variable (GSAV) approach for the Navier-Stokes equations with no-slip boundary conditions. The scheme is linear, unconditionally stable, and only requires solving a sequence of Poisson type equations at each time step. By using the build-in unconditional stability of the GSAV approach, we derive optimal global (resp. local) in time error estimates in the two (resp. three) dimensional case for the velocity and pressure approximations.

preprint2023arXivOpen access
Xiaoli LiJie Shen
math.NANumerical Analysis
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Xiaoli LiJie Shen

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