A mixed finite element method for boundary flux computation (Q1072881)
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scientific article; zbMATH DE number 3943419
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A mixed finite element method for boundary flux computation |
scientific article; zbMATH DE number 3943419 |
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A mixed finite element method for boundary flux computation (English)
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1986
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Most finite element schemes for thermal problems estimate boundary heat flux directly from the derivative of the finite element solution. The boundary flux calculated by this approach is typically inaccurate and does not guarantee a global heat balance. In this paper we present a mixed finite element method for calculating the boundary flux and show the superiority of this method through numerical examples of both diffusion and advection-diffusion problems.
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finite element solution
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mixed finite element method
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boundary flux
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diffusion
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advection-diffusion
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