Adaptive mixed least squares Galerkin/Petrov finite element method for stationary conduction convection problems(无全文)

作者:张运章;侯延仁;魏红波 刊名:Applied Mathematics and Mechanics(English Edition) 上传者:

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【摘要】An adaptive mixed least squares Galerkin/Petrov finite element method (FEM) is developed for stationary conduction convection problems. The mixed least squares Galerkin/Petrov FEM is consistent and stable for any combination of discrete velocity and pressure spaces without requiring the Babuska-Brezzi stability condition. Using the general theory of Verfürth, the posteriori error estimates of the residual type are derived. Finally, numerical tests are presented to illustrate the effectiveness of the method.

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