Global spectral analysis: Review of numerical methods

P Sagaut, VK Suman, P Sundaram, MK Rajpoot… - Computers & …, 2023 - Elsevier
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 …

[HTML][HTML] A novel robust strategy for discontinuous Galerkin methods in computational fluid mechanics: Why? When? What? Where?

GJ Gassner, AR Winters - Frontiers in Physics, 2021 - frontiersin.org
In this paper we will review a recent emerging paradigm shift in the construction and
analysis of high order Discontinuous Galerkin methods applied to approximate solutions of …

STREAmS: a high-fidelity accelerated solver for direct numerical simulation of compressible turbulent flows

M Bernardini, D Modesti, F Salvadore… - Computer Physics …, 2021 - Elsevier
We present STREAmS, an in-house high-fidelity solver for direct numerical simulations
(DNS) of canonical compressible wall-bounded flows, namely turbulent plane channel, zero …

Effect of convective schemes in wall-resolved and wall-modeled LES of compressible wall turbulence

F De Vanna, G Baldan, F Picano, E Benini - Computers & Fluids, 2023 - Elsevier
The current study discusses how numerical schemes and discretization approaches affect
wall-resolved and wall-modeled LES outcomes. A turbulent boundary layer setup over a flat …

An efficient lattice Boltzmann method for compressible aerodynamics on D3Q19 lattice

S Guo, Y Feng, J Jacob, F Renard, P Sagaut - Journal of Computational …, 2020 - Elsevier
An efficient lattice Boltzmann (LB) model relying on a hybrid recursive regularization (HRR)
collision operator on D3Q19 stencil is proposed for the simulation of three-dimensional high …

A sharp-interface immersed boundary method for moving objects in compressible viscous flows

F De Vanna, F Picano, E Benini - Computers & Fluids, 2020 - Elsevier
Abstract Sharp-interface Immersed Boundary Methods for moving solids in compressible
viscous flows often exhibit spurious noise propagating from the moving boundary. In …

Wall-modeled LES of shock-wave/boundary layer interaction

F De Vanna, M Bernardini, F Picano, E Benini - International Journal of …, 2022 - Elsevier
The present paper discusses the physical reliability of turbulence modeling in an adverse
pressure gradient wall flow setup at moderate/high Reynolds number by comparing wall …

[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 …

[HTML][HTML] Microconfined high-pressure transcritical fluid turbulence

M Bernades, F Capuano, L Jofre - Physics of Fluids, 2023 - pubs.aip.org
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 …

Comprehensive analysis of entropy conservation property of non-dissipative schemes for compressible flows: KEEP scheme redefined

Y Tamaki, Y Kuya, S Kawai - Journal of Computational Physics, 2022 - Elsevier
A theoretical analysis of the entropy conservation properties is conducted to explain the
different behaviors of the non-dissipative finite-difference spatial discretization schemes …