What does computational fluid dynamics tell us about intracranial aneurysms? A meta-analysis and critical review

KM Saqr, S Rashad, S Tupin… - Journal of Cerebral …, 2020 - journals.sagepub.com
Despite the plethora of published studies on intracranial aneurysms (IAs) hemodynamic
using computational fluid dynamics (CFD), limited progress has been made towards …

On the propagation of nonlinear waves in the atmosphere

A Constantin, RS Johnson - Proceedings of the Royal …, 2022 - royalsocietypublishing.org
Starting from the general equations of fluid dynamics that describe the atmosphere, and
using asymptotic methods, we present the derivation of the leading-order equations for …

[HTML][HTML] On the dynamics of the near-surface currents in the Arctic Ocean

A Constantin, RS Johnson - Nonlinear Analysis: Real World Applications, 2023 - Elsevier
Abstract Starting from the Navier–Stokes equation (in rotating, spherical coordinates), and
the equation of state coupled with the first law of thermodynamics for the atmosphere, a …

[HTML][HTML] Bulk viscosity of molecular fluids

F Jaeger, OK Matar, EA Müller - The Journal of chemical physics, 2018 - pubs.aip.org
The bulk viscosity of molecular models of gases and liquids is determined by molecular
simulations as a combination of a dilute gas contribution, arising due to the relaxation of …

Estimation of bulk viscosity of dilute gases using a nonequilibrium molecular dynamics approach

B Sharma, R Kumar - Physical Review E, 2019 - APS
A method is proposed for the calculation of bulk viscosity, μ b, of dilute gases using
nonequilibrium molecular dynamics (NEMD) simulations. The method uses measurement of …

A mechanically consistent unified formulation for fluid-porous-structure-contact interaction

FM Gerosa, AL Marsden - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
Fluid–structure interaction with contact poses profound mathematical and numerical
challenges, particularly when considering realistic contact scenarios and the influence of …

Role of non-zero bulk viscosity in three-dimensional Rayleigh-Taylor instability: Beyond Stokes' hypothesis

A Sengupta, RJ Samuel, P Sundaram, TK Sengupta - Computers & Fluids, 2021 - Elsevier
Three-dimensional direct numerical simulations (DNS) of Rayleigh-Taylor instability (RTI) at
the interface of two masses of air with a sharp temperature gradient of 149 K are performed …

[HTML][HTML] A multigrid solver for the coupled pressure-temperature equations in an all-Mach solver with VoF

Y Saade, D Lohse, D Fuster - Journal of Computational Physics, 2023 - Elsevier
We present a generalisation of the all-Mach solver of Fuster and Popinet (2018)[1] to
account for heat diffusion between two different compressible phases. By solving a two-way …

Geofluid object workbench (GeoFLOW) for atmospheric dynamics in the approach to exascale: Spectral element formulation and CPU performance

D Rosenberg, B Flynt, M Govett… - Monthly Weather …, 2023 - journals.ametsoc.org
A new software framework using a well-established high-order spectral element
discretization is presented for solving the compressible Navier–Stokes equations for …

[HTML][HTML] Refining the diffusive compressible Euler model

M Svärd - Physica A: Statistical Mechanics and its Applications, 2024 - Elsevier
We revisit the molecular arguments underpinning the diffusive compressible Euler model
(proposed in Svärd (2018)), and conclude that a heat diffusive term is not accounted for in …