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Modified equation for a class of explicit and implicit schemes solving one-dimensional advection problem

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    0540783 - MÚ 2022 RIV CZ eng J - Journal Article
    Bodnár, Tomáš - Fraunié, P. - Kozel, K.
    Modified equation for a class of explicit and implicit schemes solving one-dimensional advection problem.
    Acta Polytechnica. Roč. 61, SI (2021), s. 49-58. ISSN 1210-2709. E-ISSN 1805-2363
    R&D Projects: GA ČR(CZ) GA19-04243S
    Institutional support: RVO:67985840
    Keywords : advection equation * finite difference * modified equation
    OECD category: Pure mathematics
    Method of publishing: Open access
    https://doi.org/10.14311/AP.2021.61.0049

    This paper presents the general modified equation for a family of finite-difference schemes solving one-dimensional advection equation. The whole family of explicit and implicit schemes working at two time-levels and having three point spatial support is considered. Some of the classical schemes (upwind, Lax-Friedrichs, Lax-Wendroff) are discussed as examples, showing the possible implications arising from the modified equation to the properties of the considered numerical methods.
    Permanent Link: http://hdl.handle.net/11104/0318381

     
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