Immersed boundary methods for fluid-structure interaction: A review

W Kim, H Choi - International Journal of Heat and Fluid Flow, 2019 - Elsevier
In this review, we introduce immersed boundary (IB) methods for fluid-structure interactions
(FSIs) of rigid and elastic bodies. IB methods impose momentum forcing on an Eulerian …

Incorporating grain-scale processes in macroscopic sediment transport models: a review and perspectives for environmental and geophysical applications

B Vowinckel - Acta Mechanica, 2021 - Springer
Sediment transport simulations face the challenge of accounting for vastly different scales in
space and time that cannot be tackled by a unifying approach. Instead, processes are …

Wall model based on neural networks for LES of turbulent flows over periodic hills

Z Zhou, G He, X Yang - Physical Review Fluids, 2021 - APS
In this work, a data-driven wall model for turbulent flows over periodic hills is developed
using the feedforward neural network (FNN) and data from wall-resolved large-eddy …

Fluid dynamics simulations show that facial masks can suppress the spread of COVID-19 in indoor environments

A Khosronejad, C Santoni, K Flora, Z Zhang, S Kang… - Aip Advances, 2020 - pubs.aip.org
The coronavirus disease outbreak of 2019 has been causing significant loss of life and
unprecedented economic loss throughout the world. Social distancing and face masks are …

Direct numerical simulation of turbulent open channel flows at moderately high Reynolds numbers

J Yao, X Chen, F Hussain - Journal of Fluid Mechanics, 2022 - cambridge.org
Well-resolved direct numerical simulations of turbulent open channel flows (OCFs) are
performed for friction Reynolds numbers up to. In summary, the free surface in OCFs plays …

A numerical approach for simulating fluid structure interaction of flexible thin shells undergoing arbitrarily large deformations in complex domains

A Gilmanov, TB Le, F Sotiropoulos - Journal of computational physics, 2015 - Elsevier
We present a new numerical methodology for simulating fluid–structure interaction (FSI)
problems involving thin flexible bodies in an incompressible fluid. The FSI algorithm uses …

Formation of sediment patterns in channel flow: minimal unstable systems and their temporal evolution

AG Kidanemariam, M Uhlmann - Journal of Fluid Mechanics, 2017 - cambridge.org
The phenomenon of sediment pattern formation in a channel flow is numerically investigated
by performing simulations which resolve all the relevant length and time scales of the …

A computational study of expiratory particle transport and vortex dynamics during breathing with and without face masks

A Khosronejad, S Kang, F Wermelinger… - Physics of …, 2021 - pubs.aip.org
We present high-fidelity numerical simulations of expiratory biosol transport during normal
breathing under indoor, stagnant air conditions with and without a facile mask. We …

Influence of permeable beds on hydraulically macro-rough flow

H Fang, X Han, G He, S Dey - Journal of Fluid Mechanics, 2018 - cambridge.org
In this study, macro-rough flows over beds with different permeability values are simulated
using the large-eddy simulation, and the results are analysed by applying the double …

Lagrangian dynamics of particle transport in oral and nasal breathing

H Seyedzadeh, W Oaks, J Craig, M Aksen, MS Sanz… - Physics of …, 2023 - pubs.aip.org
We present a large-eddy simulation (LES) of saliva particle transport during normal human
breathing through the nose and mouth. The flow of the air–saliva mixture is modeled using …