镜像对称顶盖驱动方腔内流过渡流临界特性研究

安博, 孟欣雨, 桑为民 - 力学学报, 2022 - lxxb.cstam.org.cn
流场过渡流临界特性是指流场因流动状态改变而引起的流场物理特性变化.
如流动从定常演化为非定常周期性时, 流动处于过渡状态的物理性质. 它从根本上决定了流动 …

Lid driven triangular and trapezoidal cavity flow: Vortical structures for steady solutions and Hopf bifurcations

B An, S Guo, JM Bergadà - Applied Sciences, 2023 - mdpi.com
A numerical study of two dimensional lid-driven triangular and trapezoidal cavity flow is
performed via using the lattice Boltzmann method (LBM) for steady solutions. The equilateral …

[Retracted] Virtual Digital Communication Feature Fusion Based on Virtual Augmented Reality

X Zhang - Security and Communication Networks, 2022 - Wiley Online Library
In order to have a deeper understanding of the integration of virtual digital communication
characteristics, it is studied and combined with virtual augmented reality technology. The …

Large Eddy simulation of the inlet cross-flow in the CiADS heat exchanger using the lattice Boltzmann method

L Liu, S Wang, D Wang, D Fan, L Gu - Sustainability, 2023 - mdpi.com
The liquid lead-bismuth eutectic (LBE) is the coolant of the heat exchanger in China initiative
Accelerator Driven System, which may have a risk of structural failure due to the washout of …

A simplified new multigrid algorithm of lattice Boltzmann method for steady states

B An, JM Bergadà, WM Sang - Computers & Mathematics with Applications, 2023 - Elsevier
In the present paper, a new strategy of multigrid method is introduced to accelerate the
convergence speed of numerical simulations via lattice Boltzmann method. Based on the …

Simulation of High-Viscosity Generalized Newtonian Fluid Flows in the Mixing Section of a Screw Extruder Using the Lattice Boltzmann Model

L Liu, Z Meng, Y Zhang, Y Sun - ACS omega, 2023 - ACS Publications
The mixing quality of polymer melts in the mixing section of a single-screw extruder and an
injection molding machine has considerable effects on the properties of the molded …

非均匀矩形网格的局部网格细化LBM 算法研究

安博, 孟欣雨, 杨双骏, 桑为民 - 力学学报, 2023 - lxxb.cstam.org.cn
传统的格子玻尔兹曼方法(LBM), 特别是基于均匀正方形网格的经典单松弛计算模型(SLBM),
其算法鲁棒性和数值稳定性较差, 限制了LBM 的发展和应用. 而网格细化策略可以有效缓解这一 …

Numerical solutions of steady flow in a three-sided lid-driven square cavity

EA Azzouz, S Houat - International Journal of Applied and Computational …, 2022 - Springer
This paper reports a numerical investigation of the steady two-dimensional incompressible
flow in a three-sided lid-driven cavity of unit aspect ratios (Г= 1). The two opposite horizontal …

Modified algorithms for curved and virtual boundaries in Lattice Boltzmann method applications based on tree grid

B An, JM Bergadà, D Li, WM Sang - Computers & Mathematics with …, 2023 - Elsevier
Abstract Boundary treatment algorithms [5],[10],[11],[12], for the curved boundaries
[5],[10],[11] and tree grid virtual ones [12] employed in lattice Boltzmann method (LBM) …

ON THE TRANSITIONAL CHARACTERISTICS OF MIRROR SYMMETRIC LID-DRIVEN CAVITY FLOW

A Bo, M Xinyu, S Weimin - Chinese Journal of Theoretical and …, 2022 - lxxb.cstam.org.cn
The transitional critical characteristics refer to the change of physical properties of flow field
caused by the change of different flow states, which is amid the transitional stages. For …