黎曼解算器
解算器
有限体积法
应用数学
马赫数
计算流体力学
压缩性
Roe求解器
计算机科学
航程(航空)
可压缩流
形式主义(音乐)
数学
数学优化
作者
Matvey Kraposhin,Elena Smirnova,Tatiana G. Elizarova,Maria Alexandrovna Istomina
标识
DOI:10.1016/j.compfluid.2018.02.010
摘要
Abstract The paper introduces the development of a new OpenFOAM solver QGDFoam for the numerical simulation of viscous compressible flows within a wide range of Mach numbers in the framework of the OpenFOAM formalism. The new solver is based on the implementation of regularized, or quasi-gas dynamic (QGD) equations. The mixed finite-volume and finite-difference approximation is constructed on unstructured space grids with co-located variables storage and explicit time scheme for convection approximation. The solver has been tested for a range of 1D Riemann problems and 2D cases, comparing results with analytic solutions and OpenFOAM’s implementation of the Kurganov–Tadmor scheme known as rhoCentralFoam.
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