Efficient computation of time-periodic compressible flows with spectral techniques
A systematic approach to parametrically analyze compressible time-periodic flows is
proposed. Instead of time-stepping simulations, a Fourier–Galerkin strategy is adopted …
proposed. Instead of time-stepping simulations, a Fourier–Galerkin strategy is adopted …
Large-scale harmonic balance simulations with Krylov subspace and preconditioner recycling
RJ Kuether, A Steyer - Nonlinear Dynamics, 2024 - Springer
The multi-harmonic balance method combined with numerical continuation provides an
efficient framework to compute a family of time-periodic solutions, or response curves, for …
efficient framework to compute a family of time-periodic solutions, or response curves, for …
Resolvent-Based Optimisation for Approximating the Statistics of Chaotic Dynamics
We propose a novel framework for approximating the statistical properties of turbulent flows
by combining variational methods for the search of unstable periodic orbits with resolvent …
by combining variational methods for the search of unstable periodic orbits with resolvent …
Mode selection in concentric jets: the steady–steady 1: 2 resonant mode interaction with O (2) symmetry
The linear and nonlinear stability of two concentric jets separated by a duct wall is analysed
by means of global linear stability and weakly nonlinear analysis. Three governing …
by means of global linear stability and weakly nonlinear analysis. Three governing …
[HTML][HTML] Reused LU factorization as a preconditioner for efficient solution of the parabolized stability equations
The parabolized stability equations (PSE) are a widely used, efficient method to calculate
the evolution of streamwise traveling instabilities in spatially developing, weakly nonparallel …
the evolution of streamwise traveling instabilities in spatially developing, weakly nonparallel …
Advancements in the Application of Linear Stability Analysis to Spatially Developing Shear Flows
A Szabó - 2024 - search.proquest.com
Shear flows, their various states, and their stability have a paramount relevance in engi-
neering. The three research topics the modeling of the edge tone oscillations, delaying the …
neering. The three research topics the modeling of the edge tone oscillations, delaying the …
Convergence of the harmonic balance method for smooth Hilbert space valued differential-algebraic equations
A Steyer, RJ Kuether - arXiv preprint arXiv:2111.12620, 2021 - arxiv.org
We analyze the convergence of the harmonic balance method for computing isolated
periodic solutions of a large class of continuously differentiable Hilbert space valued …
periodic solutions of a large class of continuously differentiable Hilbert space valued …
[PDF][PDF] IDENTIFYING THE ACTIVE FLOW REGIONS IN ACOUSTIC-HYDRODYNAMIC FEEDBACK MECHANISMS
Acoustic-hydrodynamic feedbacks are a common theme in jet noise. Strong sound
emissions are supported by fluid instabilities, whose core is not necessarily localized in …
emissions are supported by fluid instabilities, whose core is not necessarily localized in …
An ALE method for instabilities in the wake of multiple freely-oscillating bodies
Numerous current and future technological devices may benefit from the fundamental
understanding of the fluid instabilities leading to Vortex Induced Vibrations (VIV). Energy …
understanding of the fluid instabilities leading to Vortex Induced Vibrations (VIV). Energy …
Identifying the active flow regions in acoustic-hydrodynamic feedback mechanisms
Acoustic-hydrodynamic feedbacks are a common theme in jet noise. Strong sound
emissions are supported by fluid instabilities, whose core is not necessarily localized in …
emissions are supported by fluid instabilities, whose core is not necessarily localized in …