Finite element analysis of a pseudostress–pressure–velocity formulation of the stationary Navier–Stokes equations.

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Title: Finite element analysis of a pseudostress–pressure–velocity formulation of the stationary Navier–Stokes equations.
Authors: Farhloul, M.1 (AUTHOR) mohamed.farhloul@umoncton.ca, Fall, N.2 (AUTHOR) ndiogou.fall.1@ulaval.ca, Dione, I.1 (AUTHOR) ibrahima.dione@umoncton.ca, Léger, S.1 (AUTHOR) sophie.leger@umoncton.ca
Source: Journal of Computational & Applied Mathematics. Dec2025, Vol. 469, pN.PAG-N.PAG. 1p.
Subjects: Finite element method, Stokes equations, Equations, Velocity, Polynomials
Abstract: This article is concerned with a dual-mixed formulation of the Navier–Stokes equations which is based on the introduction of the pseudostress as a new unknown. The problem is approximated by a mixed finite element method in two and three dimensions: Raviart–Thomas elements of index k ≥ 0 for the pseudostress tensor, and piecewise discontinuous polynomials of degree k ≥ 0 for the velocity and the pressure. An existence result for the finite-element solution and convergence results are proved near a nonsingular solution. Finally, quasi-optimal error estimates, which improve those existing in the literature, are provided. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Computational & Applied Mathematics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Finite element analysis of a pseudostress–pressure–velocity formulation of the stationary Navier–Stokes equations.
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Computational+%26+Applied+Mathematics%22">Journal of Computational & Applied Mathematics</searchLink>. Dec2025, Vol. 469, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Stokes+equations%22">Stokes equations</searchLink><br /><searchLink fieldCode="DE" term="%22Equations%22">Equations</searchLink><br /><searchLink fieldCode="DE" term="%22Velocity%22">Velocity</searchLink><br /><searchLink fieldCode="DE" term="%22Polynomials%22">Polynomials</searchLink>
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  Label: Abstract
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  Data: This article is concerned with a dual-mixed formulation of the Navier–Stokes equations which is based on the introduction of the pseudostress as a new unknown. The problem is approximated by a mixed finite element method in two and three dimensions: Raviart–Thomas elements of index k ≥ 0 for the pseudostress tensor, and piecewise discontinuous polynomials of degree k ≥ 0 for the velocity and the pressure. An existence result for the finite-element solution and convergence results are proved near a nonsingular solution. Finally, quasi-optimal error estimates, which improve those existing in the literature, are provided. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Computational & Applied Mathematics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.cam.2025.116665
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Stokes equations
        Type: general
      – SubjectFull: Equations
        Type: general
      – SubjectFull: Velocity
        Type: general
      – SubjectFull: Polynomials
        Type: general
    Titles:
      – TitleFull: Finite element analysis of a pseudostress–pressure–velocity formulation of the stationary Navier–Stokes equations.
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            NameFull: Farhloul, M.
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            NameFull: Fall, N.
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            NameFull: Dione, I.
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            – D: 01
              M: 12
              Text: Dec2025
              Type: published
              Y: 2025
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              Value: 469
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