Marangoni-like tissue flows enhance symmetry breaking of embryonic organoids

S Gsell, S Tlili, M Merkel, PF Lenne - bioRxiv, 2023 - biorxiv.org
During early development of multi-cellular animals, cells self-organize to set up the body
axes, such as the primary head-to-tail axis, based on which the later body plan is defined …

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 …

A partitioned framework for coupling LBM and FEM through an implicit IBM allowing non-conforming time-steps: Application to fluid-structure interaction in …

Z Li, G Oger, D Le Touzé - Journal of Computational Physics, 2022 - Elsevier
This paper presents a partitioned framework for the numerical simulation of fluid-structure
interactions by coupling the lattice Boltzmann method (LBM) and the finite element method …

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 …

A coupled gas-kinetic BGK scheme for the finite volume lattice Boltzmann method for nearly incompressible thermal flows

Z Zhao, M Wen, W Li - International Journal of Heat and Mass Transfer, 2021 - Elsevier
This work presents a coupled gas-kinetic Bhatnagar-Gross-Krook (BGK) scheme based
finite volume lattice Boltzmann method (FVLBM) for nearly incompressible thermal flows. In …

A combined volume penalization/selective frequency damping approach for immersed boundary methods applied to high-order schemes

J Kou, E Ferrer - Journal of Computational Physics, 2023 - Elsevier
There has been an increasing interest in developing efficient immersed boundary method
(IBM) based on Cartesian grids, recently in the context of high-order methods. IBM based on …

Reinforcement learning for anisotropic p-adaptation and error estimation in high-order solvers

D Huergo, M de Frutos, E Jané, OA Marino… - arXiv preprint arXiv …, 2024 - arxiv.org
We present a novel approach to automate and optimize anisotropic p-adaptation in high-
order h/p solvers using Reinforcement Learning (RL). The dynamic RL adaptation uses the …

Numerical simulations of capsule deformation using a dual time-stepping lattice Boltzmann method

C Armstrong, Y Peng - Physical Review E, 2021 - APS
In this work a quasisteady, dual time-stepping lattice Boltzmann method is proposed for
simulation of capsule deformation. At each time step the steady-state lattice Boltzmann …

Artificial swim by undulating rigid flagellum with joint controllers

R Yano, H Kuroda - Journal of Micromechanics and …, 2024 - iopscience.iop.org
In this paper, we investigate the locomotion of artificial (robotic) swimmers by an undulating
rigid flagellum, whose joints are controlled by actuators. The locomotion of a swimmer with …

[图书][B] Fully resolved simulation of particulate flows with a parallel coupled lattice Boltzmann and discrete element method

C Rettinger - 2022 - search.proquest.com
Fluid flows that transport rigid particles are ubiquitous in Nature and industrial processes
where they exhibit a rich set of fascinating and complex dynamics. Developing a thorough …