Optimal order FEM for dynamic poroelasticity: Error analysis for equal order elements

The numerical approximation of dynamic poroelasticity, modeling flow in deformable porous media, by a family of continuous space-time finite element methods is investigated. Equal order approximation in space without any further stabilization is used for the displacement and pore pressure variable....

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Hauptverfasser: Bause, Markus, Anselmann, Mathias
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Sprache:eng
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Zusammenfassung:The numerical approximation of dynamic poroelasticity, modeling flow in deformable porous media, by a family of continuous space-time finite element methods is investigated. Equal order approximation in space without any further stabilization is used for the displacement and pore pressure variable. Optimal order $L^\infty(L^2)$ error estimates are proved and numerically confirmed.
DOI:10.48550/arxiv.2401.15696