Si, Zhiyong; He, Yinnian A defect-correction mixed finite element method for stationary conduction-convection problems. (English) Zbl 1204.76021 Math. Probl. Eng. 2011, Article ID 370192, 28 p. (2011). Summary: A defect-correction mixed finite element method (MFEM) for solving the stationary conduction-convection problems in two-dimension is given. In this method, we solve the nonlinear equations with an added artificial viscosity term on a grid and correct this solution on the same grid using a linearized defect-correction technique. The stability is given and the error analysis in \(L^2\) and \(H^1\)-norm of \(u, T\) and the \(L^2\)-norm of \(p\) are derived. The theory analysis shows that our method is stable and has a good precision. Some numerical results are also given, which show that the defect-correction MFEM is highly efficient for the stationary conduction-convection problems. Cited in 13 Documents MSC: 76M10 Finite element methods applied to problems in fluid mechanics PDF BibTeX XML Cite \textit{Z. Si} and \textit{Y. He}, Math. Probl. Eng. 2011, Article ID 370192, 28 p. (2011; Zbl 1204.76021) Full Text: DOI EuDML OpenURL References: [1] J. A. M. García, J. M. G. Cabeza, and A. C. Rodríguez, “Two-dimensional non-linear inverse heat conduction problem based on the singular value decomposition,” International Journal of Thermal Sciences, vol. 48, no. 6, pp. 1081-1093, 2009. [2] Z. D. Luo and X. M. Lu, “A least-squares Galerkin/Petrov mixed finite element method for stationary conduction-convection problems,” Mathematica Numerica Sinica, vol. 25, no. 2, pp. 231-244, 2003. [3] M. S. Mesquita and M. J. S. de Lemos, “Optimal multigrid solutions of two-dimensional convection-condition problems,” Applied Mathematics and Computation, vol. 152, no. 3, pp. 725-742, 2004. · Zbl 1077.65508 [4] C. P. Naveira, M. Lachi, R. M. Cotta, and J. 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