Immersed boundary conditions for moving objects in turbulent flows with the lattice-Boltzmann method

I Cheylan, J Favier, P Sagaut - Physics of Fluids, 2021 - pubs.aip.org
An immersed boundary method is coupled to a turbulent wall model and Large Eddy
Simulation, within the Lattice-Boltzmann framework. The method is able to handle arbitrarily …

An immersed boundary/multi-relaxation time lattice Boltzmann method on adaptive octree grids for the particle-resolved simulation of particle-laden flows

Z Cheng, A Wachs - Journal of Computational Physics, 2022 - Elsevier
We present an immersed boundary/multi-relaxation time lattice Boltzmann method for the
particle-resolved simulation of particle-laden flows. The no-slip boundary condition is …

Solid wall and open boundary conditions in hybrid recursive regularized lattice Boltzmann method for compressible flows

Y Feng, S Guo, J Jacob, P Sagaut - Physics of Fluids, 2019 - pubs.aip.org
Complex geometries and open boundaries have been intensively studied in the nearly
incompressible lattice Boltzmann method (LBM) framework. Therefore, only few boundary …

Analysis of the immersed boundary method for turbulent fluid-structure interaction with Lattice Boltzmann method

I Cheylan, T Fringand, J Jacob, J Favier - Journal of Computational Physics, 2023 - Elsevier
An efficient and new methodology to deal with fluid structure interaction at high Reynolds
number flows is presented in this article. It relies on the coupling of the lattice Boltzmann …

Longitudinal to Transverse Metachronal Wave Transitions in an In Vitro Model of Ciliated Bronchial Epithelium

O Mesdjian, C Wang, S Gsell, U D'ortona, J Favier… - Physical Review Letters, 2022 - APS
Myriads of cilia beat on ciliated epithelia, which are ubiquitous in life. When ciliary beats are
synchronized, metachronal waves emerge, whose direction of propagation depends on the …

Direct-forcing immersed-boundary method: a simple correction preventing boundary slip error

S Gsell, J Favier - Journal of Computational Physics, 2021 - Elsevier
The boundary slip error resulting from the interpolation/spreading non-reciprocity of the
direct-forcing immersed-boundary method is analyzed based on a simple and generic …

Combined immersed boundary and discrete unified gas kinetic scheme for the motion of an autonomous underwater vehicle model with slip over a solid-liquid …

W Guo, G Hou - Ocean Engineering, 2023 - Elsevier
To improve the endurance and speed of an autonomous underwater vehicle (AUV), we
consider adopting the slip over a solid-liquid interface, which has the effect of drag …

Generalized-Newtonian fluid transport by an instability-driven filament

C Wang, S Gsell, U d'Ortona, J Favier - Journal of Fluid Mechanics, 2023 - cambridge.org
Cilia are micro-scale hair-like organelles. They can exhibit self-sustained oscillations which
play crucial roles in flow transport or locomotion. Recent studies have shown that these …

[HTML][HTML] A boundary condition-enhanced direct-forcing immersed boundary method for simulations of three-dimensional phoretic particles in incompressible flows

X Zhu, Y Chen, KL Chong, D Lohse… - Journal of Computational …, 2024 - Elsevier
In this paper we propose an improved three-dimensional immersed boundary method
coupled with a finite-difference code to simulate self-propelled phoretic particles in viscous …

Lattice-Boltzmann simulation of creeping generalized Newtonian flows: theory and guidelines

S Gsell, U d'Ortona, J Favier - Journal of Computational Physics, 2021 - Elsevier
The accuracy of the lattice-Boltzmann (LB) method is related to the relaxation time
controlling the flow viscosity. In particular, it is often recommended to avoid large fluid …