Adjoint methods as design tools in thermoacoustics

L Magri - Applied Mechanics Reviews, 2019 - asmedigitalcollection.asme.org
In a thermoacoustic system, such as a flame in a combustor, heat release oscillations couple
with acoustic pressure oscillations. If the heat release is sufficiently in phase with the …

Krylov methods for large-scale dynamical systems: Application in fluid dynamics

RAS Frantz, JC Loiseau… - Applied …, 2023 - asmedigitalcollection.asme.org
In fluid dynamics, predicting and characterizing bifurcations, from the onset of unsteadiness
to the transition to turbulence, is of critical importance for both academic and industrial …

Inertial flow of a dilute suspension over cavities in a microchannel

H Haddadi, D Di Carlo - Journal of Fluid Mechanics, 2017 - cambridge.org
Microfluidic experiments and discrete particle simulations using the lattice-Boltzmann
method are used to study interactions of finite size hard spheres and vortical flow inside …

Efficient stabilization and acceleration of numerical simulation of fluid flows by residual recombination

V Citro, P Luchini, F Giannetti, F Auteri - Journal of Computational Physics, 2017 - Elsevier
The study of the stability of a dynamical system described by a set of partial differential
equations (PDEs) requires the computation of unstable states as the control parameter …

Inverse regulation of the indoor environment: An overview of the adjoint method

X Zhao, Y Yin - Energy and Buildings, 2022 - Elsevier
The adjoint method has been used in the indoor environment for more than ten years, but it
has not been widely used up to now. This paper describes the current state of the adjoint …

Effects of sidewalls and leading-edge blowing on flows over long rectangular cavities

Y Sun, Q Liu, LN Cattafesta III, LS Ukeiley, K Taira - AIAA journal, 2019 - arc.aiaa.org
The present work investigates sidewall effects on the characteristics of three-dimensional (3-
D) compressible flows over a rectangular cavity with aspect ratios of L/D= 6 and W/D= 2 at R …

The effect of incoming boundary layer thickness and Mach number on linear and nonlinear Rossiter modes in open cavity flows

MS Mathias, MAF Medeiros - Theoretical and Computational Fluid …, 2021 - Springer
The Rossiter modes of an open cavity were studied using bi-global linear analysis, local
instability analysis and nonlinear numerical simulations. Rossiter modes are normally seen …

Resolvent analysis of compressible laminar and turbulent cavity flows

Y Sun, Q Liu, LN Cattafesta III, LS Ukeiley, K Taira - AIAA journal, 2020 - arc.aiaa.org
The present work demonstrates the use of a resolvent analysis to obtain physical insights for
open-cavity flows. A resolvent analysis identifies the flow response to harmonic forcing …

Use of the adjoint method for controlling the mechanical vibrations of nonlinear systems

CM Pappalardo, D Guida - Machines, 2018 - mdpi.com
In this work, the analytical derivation and the computer implementation of the adjoint method
are described. The adjoint method can be effectively used for solving the optimal control …

Recursive one-way Navier-Stokes equations with PSE-like cost

M Zhu, A Towne - Journal of Computational Physics, 2023 - Elsevier
Spatial marching methods, in which the flow state is spatially evolved in the downstream
direction, can be used to produce low-cost models of flows containing a slowly varying …