A fully discrete \(H^1\)-Galerkin method with quadrature for nonlinear advection-diffusion-reaction equations (Q877271)

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scientific article; zbMATH DE number 5145105
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A fully discrete \(H^1\)-Galerkin method with quadrature for nonlinear advection-diffusion-reaction equations
scientific article; zbMATH DE number 5145105

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    A fully discrete \(H^1\)-Galerkin method with quadrature for nonlinear advection-diffusion-reaction equations (English)
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    19 April 2007
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    The authors propose and analyse a fully discrete \(H^1\)-Galerkin method with quadrature for nonlinear parabolic advection-diffusion-reaction equations that requires only linear algebraic solvers. The scheme applied to the special case heat equation is a fully discrete quadrature version of the least-squares method. The second order convergence and optimal \(H^1\) optimal convergence in space are proved. Numerical experiments that demonstrate optimal order convergence are presented.
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    advection-diffusion-reaction equations
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    parabolic equations
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    Galerkin method
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    quadrature
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    nonlinear parabolic advection-diffusion-reaction equations
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    heat equation
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    least-squares method
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    convergence
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    numerical experiments
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