کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6891870 1445342 2018 16 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Three time integration methods for incompressible flows with discontinuous Galerkin Boltzmann method
ترجمه فارسی عنوان
سه روش ادغام زمان برای جریان های غیر ترافیکی با روش گارکین بولتزمن متناوب
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر علوم کامپیوتر (عمومی)
چکیده انگلیسی
This paper presents three time integration methods for incompressible flows with finite element method in solving the lattice-BGK Boltzmann equation. The space discretization is performed using nodal discontinuous Galerkin method, which employs unstructured meshes with triangular elements and high order approximation degrees. The time discretization is performed using three different kinds of time integration methods, namely, direct, decoupling and splitting. From the storage cost, temporal accuracy, numerical stability and time consumption, we systematically compare three time integration methods. Then benchmark fluid flow simulations are performed to highlight efficient time integration methods. Numerical results are in good agreement with others or exact solutions.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computers & Mathematics with Applications - Volume 75, Issue 11, 1 June 2018, Pages 4091-4106
نویسندگان
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