Global spectral analysis: Review of numerical methods
The design and analysis of numerical methods are usually guided by the following:(a) von
Neumann analysis using Fourier series expansion of unknowns,(b) the modified differential …
Neumann analysis using Fourier series expansion of unknowns,(b) the modified differential …
[HTML][HTML] Thermodynamics-informed neural network for recovering supercritical fluid thermophysical information from turbulent velocity data
N Masclans, F Vázquez-Novoa, M Bernades… - International Journal of …, 2023 - Elsevier
Recent research has highlighted the potential of supercritical fluids under high-pressure
transcritical conditions to achieve microconfined turbulence as a result of the thermophysical …
transcritical conditions to achieve microconfined turbulence as a result of the thermophysical …
[HTML][HTML] Microconfined high-pressure transcritical fluid turbulence
Microfluidics technology has grown rapidly over the past decades due to its high surface-to-
volume ratios, flow controllability, and length scales efficiently suited for interacting with …
volume ratios, flow controllability, and length scales efficiently suited for interacting with …
[HTML][HTML] Dimensionality reduction of non-buoyant microconfined high-pressure transcritical fluid turbulence
This work utilizes a novel data-driven methodology to reduce the dimensionality of non-
buoyant microconfined high-pressure transcritical fluid turbulence. Classical dimensional …
buoyant microconfined high-pressure transcritical fluid turbulence. Classical dimensional …
[HTML][HTML] Global and local conservation of mass, momentum and kinetic energy in the simulation of compressible flow
G Coppola, AEP Veldman - Journal of Computational Physics, 2023 - Elsevier
The spatial discretization of convective terms in compressible flow equations is studied from
an abstract viewpoint, for finite-difference methods and finite-volume type formulations with …
an abstract viewpoint, for finite-difference methods and finite-volume type formulations with …
[HTML][HTML] Artificial compressibility method for high-pressure transcritical fluids at low Mach numbers
A Abdellatif, J Ventosa-Molina, J Grau, R Torres… - Computers & …, 2024 - Elsevier
Supercritical fluids possess unique properties that makes them relevant in various scientific
and engineering applications. However, the experimental investigation of these fluids is …
and engineering applications. However, the experimental investigation of these fluids is …
[HTML][HTML] Analysis of the multi-dimensional Navier–Stokes equation by Caputo fractional operator
In this article, we investigate the solution of the fractional multidimensional Navier–Stokes
equation based on the Caputo fractional derivative operator. The behavior of the solution …
equation based on the Caputo fractional derivative operator. The behavior of the solution …
On the Escape of Low-frequency Waves from Magnetospheres of Neutron Stars
E Golbraikh, Y Lyubarsky - The Astrophysical Journal, 2023 - iopscience.iop.org
We study the nonlinear decay of the fast magnetosonic (fms) into the Alfvén waves in
relativistic force-free magnetohydrodynamics. The work has been motivated by models of …
relativistic force-free magnetohydrodynamics. The work has been motivated by models of …
Multiscale flow topologies in microconfined high-pressure transcritical fluid turbulence
G Barea, N Masclans, L Jofre - Physical Review Fluids, 2023 - APS
The topology of multiscale turbulent motions in a high-pressure transcritical channel flow is
studied using direct numerical simulations. In particular, the system analyzed corresponds to …
studied using direct numerical simulations. In particular, the system analyzed corresponds to …
Numerical treatment of the energy equation in compressible flows simulations
C De Michele, G Coppola - Computers & Fluids, 2023 - Elsevier
We analyze the conservation properties of various discretizations of the system of
compressible Euler equations for shock-free flows, with special focus on the treatment of the …
compressible Euler equations for shock-free flows, with special focus on the treatment of the …