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关于CFD高精度保真的数值模拟研究 被引量：13

Investigations on fidelity of high order accurate numerical simulation for computational fluid dynamics
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摘要 本文由四部分组成。第一部分研究了利用高阶格式、网格、物理模型和高性能计算机求解NS方程时,计算数据的高精度保真性的要求以及高精度保真的指标。第二部分研究了利用大规模计算开展大涡模拟和直接数值模拟存在的问题。第三部分分析了在高雷诺数下NS方程计算方法和网格的关系。最后提出了建立计算数值验证、确认的新方法。 This paper consists of four parts.First,the requirement of fidelity and its assessment indicator for numerical results with high order accurate methods,meshes,physical models and high performance computer are investigated.Second,the problems in large eddy simulation and direct numerical simulation with high performance computer are discussed.Third,the relation between numerical scheme and mesh is analyzed for solving Navier-Stokes equations with given high Reynolds number.Finally,a new method for verification and validation of CFD simulation is proposed.
作者 张涵信
机构地区 中国空气动力研究与发展中心
出处 《空气动力学学报》 CSCD 北大核心 2016年第1期1-4,共4页 Acta Aerodynamica Sinica
关键词 保真高精度 大涡模拟(LES) 网格和格式的关系 验证确认 fidelity of high accuracy LES relation between scheme and mesh verification and validation
分类号 V211.3 [航空宇航科学与技术—航空宇航推进理论与工程]
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参考文献14

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二级参考文献29

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共引文献47

同被引文献165

引证文献13

二级引证文献88

空气动力学学报
2016年 第1期

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