[HTML][HTML] 基于当地变量的横流转捩预测模式研究进展

徐家宽, 段毅, 杨家盛, 乔磊, 刘建新, 白俊强 - 气体物理, 2023 - pubs.cstam.org.cn
边界层转捩预测一直是流体力学领域的研究热点和难点. 其中, 横流转捩是飞行器表面转捩现象
中关键的一种. 由于受到来流扰动, 壁面粗糙度, 壁面压力梯度, 当地后掠角, 横流特征Reynolds …

Further development of the amplification factor transport transition model for aerodynamic flows

JG Coder - AIAA scitech 2019 forum, 2019 - arc.aiaa.org
L-turbulent transition is a phenomenon that has a leading-order impact on the performance
of many aerospace vehicle systems, and accurate prediction of transition in computational …

Smooth local correlation-based transition model for the Spalart–Allmaras turbulence model

MGH Piotrowski, DW Zingg - AIAA Journal, 2021 - arc.aiaa.org
A smooth version of the γ-R˜ e θ t local correlation-based transition model (LM2015) for the
Spalart–Allmaras (SA) turbulence model is presented. The LM2015 model with helicity …

Large-eddy simulation of tripping effects on the flow over a 6: 1 prolate spheroid at angle of attack

M Plasseraud, P Kumar, K Mahesh - Journal of Fluid Mechanics, 2023 - cambridge.org
Large-eddy simulation is used to simulate the flow around a 6: 1 prolate spheroid at. Rather,
the influence of the trip is localized, and the near-wall flow converges towards a solution …

[HTML][HTML] 绕椭球的低速流动研究

丛成华, 邓小刚, 毛枚良 - 力学进展, 2021 - pubs.cstam.org.cn
理解和预测绕椭球的流动对指导飞行器和潜艇等交通工具的设计具有很强的工程意义. 近年来,
针对椭球绕流开展了大量的实验和数值模拟研究. 对有攻角下椭球绕流分离的定性描述和定量 …

Transport-based transition prediction for the common research model natural laminar flow configuration

AM Krumbein, DG François, N Krimmelbein - Journal of Aircraft, 2022 - arc.aiaa.org
This paper presents the application of a new γ-based one-equation transition transport
model to the Common Research Model Natural Laminar Flow Configuration (CRM-NLF) …

A wall-boundary-natural transitional Reynolds-stress model for high-order wing-body simulations

S Wang, S Wang, X Fu, X Deng - Physics of Fluids, 2024 - pubs.aip.org
The precise simulation of full-size wing-body configuration in real flight conditions is still a
challenge in computational fluid dynamics in which transition and flow separation are the …

Assessment of RANS-based transition models based on experimental data of the common research model with natural laminar flow

BS Venkatachari, P Paredes, JM Derlaga… - AIAA Scitech 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-1430. vid Transition models based
on auxiliary transport equations augmenting the Reynolds-averaged Navier-Stokes (RANS) …

A Surrogate-Based Method for Compressible Boundary-Layer Transition Prediction

H Nie, W Song, Z Han, J Chen, G Tu - Journal of Aircraft, 2022 - arc.aiaa.org
To improve robustness and efficiency of automatic transition prediction in aerodynamic
design, a reduced model of linear stability analysis is usually adopted, such as e N …

Validation of transition modeling techniques for a simplified fuselage configuration

N Krimmelbein, A Krumbein - Aerospace Science and Technology, 2021 - Elsevier
Abstract A Reynolds-averaged Navier-Stokes solver has been equipped with two different
transition prediction and modeling techniques for automatic transition prediction on general …