CFD不确定度量化方法研究综述

陈鑫; 王刚; 叶正寅; 吴晓军

doi:10.7638/kqdlxxb-2021.0012

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CFD不确定度量化方法研究综述

综述 | 更新时间：2026-05-28

- CFD不确定度量化方法研究综述
- A review of uncertainty quantification methods for Computational Fluid Dynamics
- 空气动力学学报 2021年39卷第4期页码：1-13
- 作者机构：
  
  1. 西北工业大学航空学院,西安,710072
  2. 中国空气动力研究与发展中心计算空气动力研究所,绵阳,621000
- 作者简介：
  
  陈鑫（1993-），男，江苏人，博士研究生，研究方向：流体力学. E-mail：nwpucxshining@163.com
  王刚*（1977-）男，教授，研究方向：计算流体力学. E-mail：wanggang@nwpu.edu.cn
- 基金信息：
  
  国家数值风洞工程(NNW2019ZT7-B22);国家自然科学基金(11772265，92052109)
- DOI：10.7638/kqdlxxb-2021.0012
  中图分类号： V211.3
- 纸质出版：2021
- 稿件说明：
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陈鑫, 王刚, 叶正寅, 等. CFD不确定度量化方法研究综述[J]. 空气动力学学报, 2021, 39(4): 1−13.

CHEN Xin, WANG Gang, YE Zheng Yin, et al. A review of uncertainty quantification methods for Computational Fluid Dynamics[J]. 2021, 39(4): 1-13.
陈鑫, 王刚, 叶正寅, 等. CFD不确定度量化方法研究综述[J]. 空气动力学学报, 2021, 39(4): 1−13. DOI： 10.7638/kqdlxxb-2021.0012

CHEN Xin, WANG Gang, YE Zheng Yin, et al. A review of uncertainty quantification methods for Computational Fluid Dynamics[J]. 2021, 39(4): 1-13. DOI： 10.7638/kqdlxxb-2021.0012.

摘要

随着计算流体力学（CFD）算法和软件的不断发展和完善，CFD数值模拟已经在涉及流体力学的各个领域发挥着日益重要的作用。不确定性因素在CFD计算过程中普遍存在，并且会对数值模拟结果造成影响。发展CFD不确定度量化方法，既能满足工程实践中对CFD可信度评估的需求，同时也能够支撑飞行器的精细化设计。本文旨在总结不确定度量化方法及其在CFD领域中的发展与应用。首先介绍CFD计算中的不确定性来源，以及不确定性的表现形式—随机不确定性和认知不确定性。然后按照不确定性的表现形式介绍对应的不确定度量化方法。最后介绍不确定度量化方法在CFD计算中的发展与应用，并且给出进一步开展不确定度量化工作的建议。

Abstract

With the rapid development of Computational Fluid Dynamics (CFD) algorithms and software

CFD has been playing an increasingly important role in various fields involving fluid mechanics. However

unavoidable uncertainties in CFD simulations have great influence on the numerical results. Therefore

developing CFD uncertainty quantification methods which characterizes all major uncertainty sources during the simulation and quantify their effects on the quantities of interest can not only satisfy the demands of CFD credibility evaluation in engineering practices

but also support the precise design of aircrafts. The development and application of uncertainty quantification methods in CFD are summarized in this paper. Firstly

the premise of CFD uncertainty quantification

i.e.

uncertainty sources are introduced. Generally

uncertainties can be categorized into stochastic and epistemic ones. Their corresponding uncertainty quantification methods have been proposed. Then the development and application of uncertainty quantification methods are surveyed in typical CFD processes including the geometry generation

meshing

turbulence modeling

and inflow conditions. In the end

sensitivity analysis methods are introduced

which are used to make out the influence of different uncertainty factors on numerical results. Summarizing the previous work on uncertainty

suggestions for the future development of uncertainty quantification methods in CFD are given.

关键词

Keywords

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