The authors derive and numerically verify parameter-robust preconditioners for statically condensed HDG systems applied to the time-dependent Stokes equations.
Local Fourier analysis of multigrid for hybridized and embedded discontinuous Galerkin methods.SIAM Journal on Scientific Computing, 43(5):S612– S636
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Robust preconditioning for an HDG discretization of the time-dependent Stokes equations
The authors derive and numerically verify parameter-robust preconditioners for statically condensed HDG systems applied to the time-dependent Stokes equations.