A fast solver for a nonlocal dielectric continuum model (Q2904833)

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scientific article; zbMATH DE number 6071036
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A fast solver for a nonlocal dielectric continuum model
scientific article; zbMATH DE number 6071036

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    23 August 2012
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    nonlocal dielectric continuum model
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    Poisson equation
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    electrostatic potential
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    finite element method
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    A fast solver for a nonlocal dielectric continuum model (English)
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    The authors prove that the solution of a commonly used nonlocal continuum dielectric model of water can be split as a sum of two functions, which are the solutions of one Poisson equation and one Poisson-like equation. Based on this splitting formula, they develop a fast finite element algorithm. Analytical solutions to two nonlocal model problems are also derived, and these problems are then solved numerically. As an application of the nonlocal dielectric model, free energy calculations are discussed improving those obtained by the classical Poisson dielectric model.
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