Recent advances and challenges in the generation of reduced order aerodynamic models
using computational fluid dynamics are presented. The models reviewed are those that can …

A time-domain harmonic balance method for the analysis of almost-periodic (multi-
harmonics) flows is presented. This method relies on Fourier analysis to derive an efficient …

Unsteady blade row interactions play an important role in the performance of multistage
turbomachinery. However, most aerodynamic optimizations of multistage turbomachinery …

The paper presents a rotor–stator coupling method for analyzing unsteady flow field within
multi-blade-row turbomachines using a frequency domain method. The coupling method is …

This paper extends the use of frequency-domain flow solvers to transonic buffet in turbulent
flow regime. To do so, a time-spectral method with frequency adaptation is developed for the …

This paper presents an efficient approach for stabilizing solution and accelerating
convergence of a harmonic balance equation system for an efficient analysis of …

This paper presents efficient alternative numerical methods for an implicit solution of the
harmonic balance equation system for analysing temporal periodic unsteady flows. The …

An aeroelastic solver is developed using a nonlinear frequency domain flow solver coupled
to a plate-bending finite element linear structural solver. A methodology for determining the …

Rotor–stator interaction is an inherently unsteady phenomenon in turbomachinery that
significantly influences the performance of turbomachinery. Accurate prediction of the …

Presented in this work is a novel and easy-to-implement supplemental-frequency harmonic
balance (SF-HB) approach to efficiently compute dynamically aperiodic systems, which can …