Neilan's divergence‐free finite elements for Stokes equations on tetrahedral grids

S Zhang - Numerical Methods for Partial Differential Equations, 2024 - Wiley Online Library
Abstract The Neilan P k P _k‐P k− 1 P _ k-1 divergence‐free finite element is stable on any
tetrahedral grid, where the piece‐wise P k P _k polynomial velocity is C 0 C^ 0 on the grid, C …

BDM H (div) weak Galerkin finite element methods for Stokes equations

S Zhang, P Zhu - Applied Numerical Mathematics, 2024 - Elsevier
We add new inter-element variables to the BDM H (div) finite elements on triangular and
tetrahedral meshes for the Stokes equations. With the weak gradient, we enforce weakly the …

[HTML][HTML] Development of an optimal adaptive finite element stabiliser for the simulation of complex flows

J Urombo, AK Yadav, NM Chadha - Scientific African, 2024 - Elsevier
An optimal adaptive multiscale finite element method (AMsFEM) for numerical solutions of
flow problems modelled by the Oldroyd B model is developed. Complex flows experience …

[PDF][PDF] Pressure-robust discretizations for incompressible flow problems on anisotropic meshes

V Kempf - 2022 - athene-forschung.unibw.de
Recently there has been increased interest in a special class of discretizations for
incompressible flows, which produce velocity approximations that are independent of how …

A note on the shape regularity of Worsey–Farin splits

S Gong, J Guzmán, M Neilan - Journal of Scientific Computing, 2023 - Springer
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A Modified Rotated- Finite Element for the Stokes Equations on Quadrilateral and Hexahedral Meshes

L Xu, X Xu, S Zhang - Journal of Scientific Computing, 2024 - Springer
We construct a modified rotated-Q 1 finite element, where we replace the P 2 bubbles of the
Rannacher–Turek rotated-Q 1 element by multi-piece linear polynomials. In 2D, we use {1 …

An H-div finite element method for the Stokes equations on polytopal meshes

X Ye, S Zhang - Computational and Applied Mathematics, 2024 - Springer
In this paper, we introduce an\(H ({\text {div}})\) finite element method on polygonal and
polyhedral meshes for solving the Stokes equations in the primary velocity–pressure …

A macro-bubble enriched P1–P0 finite element for the Stokes equations on triangular and tetrahedral meshes

S Zhang - Calcolo, 2023 - Springer
Abstract The Bernardi–Raugel finite element is a bubble enriched P 1-P 0 finite element for
the Stokes equations, where three P 2 edge-bubbles and four P 3 face-bubbles are added to …

Conforming P3 Divergence-Free Finite Elements for the Stokes Equations on Subquadrilateral Triangular Meshes

S Zhang - Communications on Applied Mathematics and …, 2023 - Springer
The continuous P 3 and discontinuous P 2 finite element pair is stable on subquadrilateral
triangular meshes for solving 2D stationary Stokes equations. By putting two diagonal lines …

[PDF][PDF] A Divergence-Free Pk CDG Finite Element for the Stokes Equations on Triangular and Tetrahedral Meshes

X Ye, S Zhang - doc.global-sci.org
In the conforming discontinuous Galerkin method, the standard bilinear form for the
conforming finite elements is applied to discontinuous finite elements without adding any …