Volume 3, Issue 2
A Stabilized Finite Element Method for Non-Stationary Conduction-Convection Problems

Adv. Appl. Math. Mech., 3 (2011), pp. 239-258.

Published online: 2011-03

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• Abstract

This paper is concerned with a stabilized finite element method based on two local Gauss integrations for the two-dimensional non-stationary conduction-convection equations by using the lowest equal-order pairs of finite elements. This method only offsets the discrete pressure space by the residual of the simple and symmetry term at element level in order to circumvent the inf-sup condition. The stability of the discrete scheme is derived under some regularity assumptions. Optimal error estimates are obtained by applying the standard Galerkin techniques. Finally, the numerical illustrations agree completely with the theoretical expectations.

65N30, 65N12, 65Z05

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@Article{AAMM-3-239, author = {Zhao , KeHe , Yinnian and Zhang , Tong}, title = {A Stabilized Finite Element Method for Non-Stationary Conduction-Convection Problems}, journal = {Advances in Applied Mathematics and Mechanics}, year = {2011}, volume = {3}, number = {2}, pages = {239--258}, abstract = {

This paper is concerned with a stabilized finite element method based on two local Gauss integrations for the two-dimensional non-stationary conduction-convection equations by using the lowest equal-order pairs of finite elements. This method only offsets the discrete pressure space by the residual of the simple and symmetry term at element level in order to circumvent the inf-sup condition. The stability of the discrete scheme is derived under some regularity assumptions. Optimal error estimates are obtained by applying the standard Galerkin techniques. Finally, the numerical illustrations agree completely with the theoretical expectations.

}, issn = {2075-1354}, doi = {https://doi.org/10.4208/aamm.10-m1042}, url = {http://global-sci.org/intro/article_detail/aamm/167.html} }
TY - JOUR T1 - A Stabilized Finite Element Method for Non-Stationary Conduction-Convection Problems AU - Zhao , Ke AU - He , Yinnian AU - Zhang , Tong JO - Advances in Applied Mathematics and Mechanics VL - 2 SP - 239 EP - 258 PY - 2011 DA - 2011/03 SN - 3 DO - http://doi.org/10.4208/aamm.10-m1042 UR - https://global-sci.org/intro/article_detail/aamm/167.html KW - Non-stationary conduction-convection equations, finite element method, stabilized method, stability analysis, error estimate. AB -

This paper is concerned with a stabilized finite element method based on two local Gauss integrations for the two-dimensional non-stationary conduction-convection equations by using the lowest equal-order pairs of finite elements. This method only offsets the discrete pressure space by the residual of the simple and symmetry term at element level in order to circumvent the inf-sup condition. The stability of the discrete scheme is derived under some regularity assumptions. Optimal error estimates are obtained by applying the standard Galerkin techniques. Finally, the numerical illustrations agree completely with the theoretical expectations.

Ke Zhao, Yinnian He & Tong Zhang. (1970). A Stabilized Finite Element Method for Non-Stationary Conduction-Convection Problems. Advances in Applied Mathematics and Mechanics. 3 (2). 239-258. doi:10.4208/aamm.10-m1042
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