دانلود مقاله انگلیسی رایگان:FLEXI: یک چارچوب بالا و ناپیوسته گالرکین برای قوانین مربوط به حفاظت بیش از حد-پارابولیک - 2020
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  • FLEXI: A high order discontinuous Galerkin framework for hyperbolic–parabolic conservation laws FLEXI: A high order discontinuous Galerkin framework for hyperbolic–parabolic conservation laws
    FLEXI: A high order discontinuous Galerkin framework for hyperbolic–parabolic conservation laws

    سال انتشار:

    2020


    عنوان انگلیسی مقاله:

    FLEXI: A high order discontinuous Galerkin framework for hyperbolic–parabolic conservation laws


    ترجمه فارسی عنوان مقاله:

    FLEXI: یک چارچوب بالا و ناپیوسته گالرکین برای قوانین مربوط به حفاظت بیش از حد-پارابولیک


    منبع:

    Sciencedirect - Elsevier - Computers and Mathematics with Applications, Corrected proof: doi:10:1016/j:camwa:2020:05:004


    نویسنده:

    Nico Krais a,∗, Andrea Beck a, Thomas Bolemann a, Hannes Frank a, David Flad a, Gregor Gassner b, Florian Hindenlang c, Malte Hoffmann a, Thomas Kuhn a, Matthias Sonntag a, Claus-Dieter Munz


    چکیده انگلیسی:

    High order (HO) schemes are attractive candidates for the numerical solution of multiscale problems occurring in fluid dynamics and related disciplines. Among the HO discretization variants, discontinuous Galerkin schemes offer a collection of advantageous features which have lead to a strong increase in interest in them and related formulations in the last decade. The methods have matured sufficiently to be of practical use for a range of problems, for example in direct numerical and large eddy simulation of turbulence. However, in order to take full advantage of the potential benefits of these methods, all steps in the simulation chain must be designed and executed with HO in mind. Especially in this area, many commercially available closed-source solutions fall short. In this work, we therefore present the FLEXI framework, a HO consistent, opensource simulation tool chain for solving the compressible Navier–Stokes equations on CPU clusters. We describe the numerical algorithms and implementation details and give an overview of the features and capabilities of all parts of the framework. Beyond these technical details, we also discuss the important but often overlooked issues of code stability, reproducibility and user-friendliness. The benefits gained by developing an open-source framework are discussed, with a particular focus on usability for the open-source community. We close with sample applications that demonstrate the wide range of use cases and the expandability of FLEXI and an overview of current and future developments.
    Keywords: Discontinuous Galerkin | High order | Large eddy simulation | Computational fluid dynamics | Open-source software | Shock capturing


    سطح: متوسط
    تعداد صفحات فایل pdf انگلیسی: 34
    حجم فایل: 4271 کیلوبایت

    قیمت: رایگان


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