Exploring the periodic behavior of the lid-driven cavity flow filled with a Bingham fluid

MA Ferrari, AT Franco - Journal of Non-Newtonian Fluid Mechanics, 2023 - Elsevier
This paper explores the flow behavior of a bi-dimensional lid-driven cavity filled with a
viscoplastic fluid. The results were obtained numerically using the moment representation of …

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 …

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 …

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 …

A modified lattice Boltzmann approach based on radial basis function approximation for the non‐uniform rectangular mesh

X Hu, JM Bergadà, D Li, WM Sang… - International Journal for …, 2024 - Wiley Online Library
We have presented a novel lattice Boltzmann approach for the non‐uniform rectangular
mesh based on the radial basis function approximation (RBF‐LBM). The non‐uniform …

深纵比对方腔过渡流临界特性的影响研究

安博, 孟欣雨, 郭世鹏, 桑为民 - 力学学报, 2023 - lxxb.cstam.org.cn
流场过渡流临界特性是指流场因流动分岔而引起的流动状态和流场物理特性变化.
它从根本上决定了流动演化模式和流场特性等物理规律, 对解释复杂流动现象意义重大 …