The authors derive and numerically verify parameter-robust preconditioners for statically condensed HDG systems applied to the time-dependent Stokes equations.
Nonoverlapping spectral additive Schwarz methods for hybrid discontinuous Galerkin discretizations.IMA Journal of Numerical Analysis, 44(1):192–224, 2024
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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.