基于压力的可压缩流动求解器的验证

IF 1.1 4区工程技术 Q4 MECHANICS

International Journal of Computational Fluid Dynamics Pub Date : 2023-01-02 DOI:10.1080/10618562.2023.2242271

J. Muralha, L. Eça, C. Klaij

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引用次数: 0

摘要

本文介绍了基于压力的可压缩流动求解器ReFRESCO的解决方案验证练习，用于NASA湍流建模资源中提供的五个测试用例:平面板，通道内碰撞，DSMA661翼型和多单元翼型的二维流动以及通道内碰撞的三维流动。利用Spalart & Allmaras湍流模型，采用favre平均连续性和Navier-Stokes方程进行了模拟。ReFRESCO的结果与基于密度的可压缩流动求解器(CFL3D和FUN3D)的参考数据进行了比较。讨论了紊流模型实现的两个方面:到壁面距离的计算和紊流模型输运方程对流项中使用的离散化方案。研究结果与参考数据完全一致，测试用例不受离墙距离确定的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Verification of a Pressure-Based Compressible Flow Solver

This paper presents Solution Verification exercises with the pressure-based compressible flow solver ReFRESCO for five test cases available in the NASA Turbulence Modeling Resource: the two-dimensional flows over a flat plate, a bump-in-channel, a DSMA661 airfoil and a multi-element airfoil and the three-dimensional flow of a bump-in-channel. Simulations are performed with the Favre-averaged continuity and Navier-Stokes equations using the Spalart & Allmaras turbulence model. ReFRESCO results are compared with reference data from density-based compressible flow solvers (CFL3D and FUN3D). two aspects of the implementation of the turbulence model are addressed: the calculation of the distance to the wall and the discretization scheme used in the convective terms of the turbulence model transport equation. Results of this study show perfect consistency with the reference data for the test cases that are not affected by the determination of the distance to the wall.

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来源期刊

International Journal of Computational Fluid Dynamics 物理-力学

CiteScore

2.70

自引率

7.70%

发文量

审稿时长

3 months

期刊介绍： The International Journal of Computational Fluid Dynamics publishes innovative CFD research, both fundamental and applied, with applications in a wide variety of fields. The Journal emphasizes accurate predictive tools for 3D flow analysis and design, and those promoting a deeper understanding of the physics of 3D fluid motion. Relevant and innovative practical and industrial 3D applications, as well as those of an interdisciplinary nature, are encouraged.