Reduced order unsteady aerodynamic modeling for stability and control analysis using computational fluid dynamics

M Ghoreyshi, A Jirásek, RM Cummings - Progress in Aerospace Sciences, 2014 - Elsevier
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 …

Turbomachinery applications with the time spectral method

E Van Der Weide, A Gopinath… - 35th AIAA Fluid Dynamics …, 2005 - arc.aiaa.org
This paper presents the Time Spectral Method, which is capable of significantly reducing the
CPU requirements for time periodic flows. Here the main focus is turbomachinery …

Coupled fluid-structure flutter analysis of a transonic fan

Y Zheng, Y Hui - Chinese Journal of Aeronautics, 2011 - Elsevier
A coupled fluid-structure method is developed for flutter analysis of blade vibrations in
turbomachinery. The approach is based on the time domain solution of the fluid-structure …

Validation of a Methodology to Assess the Flutter Limit-Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part I: Mach Number Effects

A Escudero… - … of Engineering for …, 2025 - asmedigitalcollection.asme.org
This paper presents a methodology to estimate the vibration amplitude of fluttering low-
pressure turbine (LPT) blades saturated due to friction effects. The study utilizes an …

Validation of a Methodology To Assess The Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks-Part II: Rotational Speed Effects

A Escudero, S Rodriguez… - … of Engineering for …, 2025 - asmedigitalcollection.asme.org
The effect of the operating conditions on the vibration amplitude trends of an isolated low-
pressure turbine rotor is described. The study utilizes an analytical model correlating the …

A parametric study of limit cycle oscillation of a bladed disk caused by flutter and friction at the blade root joints

M Lassalle, CM Firrone - Journal of Fluids and Structures, 2018 - Elsevier
The purpose of this paper is the parametric study of the non-linear aero-elastic phenomena
of a bladed disk for aeronautical applications in the presence of friction contacts using a one …

Analysis of flutter-induced limit cycle oscillations in gas-turbine structures with friction, gap, and other nonlinear contact interfaces

EP Petrov - 2012 - asmedigitalcollection.asme.org
A frequency-domain method has been developed to predict and comprehensively analyze
the limit-cycle flutter-induced vibrations in bladed disks and other structures with nonlinear …

Mechanisms and key parameters for compressor blade stall flutter

X Zhang, Y Wang, K Xu - Journal of turbomachinery, 2013 - asmedigitalcollection.asme.org
This paper describes a fluid-structure interaction (FSI) numerical method in frequency
domain to improve the overall understanding of the mechanisms of compressor blade stall …

进口导流叶片对转子叶片颤振特性的影响

张陈安, 叶正寅, 刘锋, 史爱明 - 推进技术, 2010 - jpt.tjjsjpt.com
上游静子叶片的尾迹扰动是下游转子叶片发生强迫响应问题的主要原因, 但通常认为不会对颤振
特性产生影响. 运用CFD 技术求解非定常流场, 用能量法对典型涡轮风扇NASA Rotor 67 …

Alvaro Escudero

S Rodrıguez-Blanco, R Corral - … of Engineering for …, 2025 - asmedigitalcollection.asme.org
The effect of the operating conditions on the vibration amplitude trends of an isolated
lowpressure turbine rotor is described. The study utilizes an analytical model correlating the …