Stability, bifurcation, and vibration control of a discontinuous nonlinear rotor model under rub-impact effect
NA Saeed, J Awrejcewicz, ST Hafez, L Hou… - Nonlinear …, 2023 - Springer
This work aims to investigate the stability, bifurcation, and vibration control of a
discontinuous dynamical model simulating the nonlinear oscillation of a horizontally …
discontinuous dynamical model simulating the nonlinear oscillation of a horizontally …
A dynamic model considering the time-varying friction moment of a flexible rotor system
J Liu, Y An, W Fancheng, C Tang, L Xu - Engineering Computations, 2023 - emerald.com
Purpose Bearing friction moments are important factors that affect the vibrations of rotor
systems. The bearing friction moments are related to the dimension parameters, lubrication …
systems. The bearing friction moments are related to the dimension parameters, lubrication …
On -DOF active dampers to suppress multistability vibration of a -DOF rotor model subjected to simultaneous multiparametric and external harmonic excitations
NA Saeed, J Awrejcewicz, RA Elashmawey… - Nonlinear …, 2024 - Springer
This article addresses the bifurcation characteristics and vibration reduction of a 2-DOF
dynamical system simulating the nonlinear oscillation of an asymmetric rotor model …
dynamical system simulating the nonlinear oscillation of an asymmetric rotor model …
An asymmetric rotor model under external, parametric, and mixed excitations: Nonlinear bifurcation, active control, and rub-impact effect
RA Elashmawey, NA Saeed… - Journal of Low …, 2024 - journals.sagepub.com
This article explores the nonlinear dynamical analysis and control of a 2− DOF system that
emulates the lateral vibration of an asymmetric rotor model under external, multi-parametric …
emulates the lateral vibration of an asymmetric rotor model under external, multi-parametric …
Exploring static bifurcations in a controlled dynamical system with cubic and quadratic nonlinearities: 2D and 3D visualization
NA Saeed, J Awrejcewicz, OM Omara, L Hou… - Physica …, 2023 - iopscience.iop.org
This work delves into the investigation of static bifurcation control and vibration reduction of
a two-degree-of-freedom dynamical system. The system under study simulates the lateral …
a two-degree-of-freedom dynamical system. The system under study simulates the lateral …
Investigation of Resonance Frequency and Stability of Solutions in a Continuous Rotor System
Purpose The primary objective of this work is to analyze the effect of different system
parameters on the resonance frequency of the linear rotor system. The effect of internal …
parameters on the resonance frequency of the linear rotor system. The effect of internal …
Nonlinear Dynamic Analysis for a Jeffcott Rotor Considering Varying Connection Stiffness of Bolted Joint
X Zhang, Y Wang, D Marmysh - International Journal of …, 2024 - ui.adsabs.harvard.edu
Bolted joints have been widely used in rotor assemblies of aircraft engines. A typical bolt
joint is composed of two metal parts connected mechanically with pre-tensioned bolts …
joint is composed of two metal parts connected mechanically with pre-tensioned bolts …
Numerical and Experimental Analysis for the Dynamics of Flawed–Machining Rod–Disk Rotor with Inner Misalignment
X Jin, Y Liu - Machines, 2022 - mdpi.com
The nonlinear dynamic effects of the misalignment between inner disks in a flawed–
machining rod–disk rotor is studied. Non–uniform stress distribution due to inner …
machining rod–disk rotor is studied. Non–uniform stress distribution due to inner …
Modelling and analysis of a continuous rotor systemPart I: Derivation of governing equations and analysis of linear system
In this paper, a continuous rotor system is modelled by considering some critical factors, like
the gyroscopic and rotary inertia effects of disc and shaft cross-sections, large shaft …
the gyroscopic and rotary inertia effects of disc and shaft cross-sections, large shaft …
Modelling and analysis of a continuous rotor system Part II: Analyzing the effect of nonlinearities on the system dynamics
The nonlinear analysis of a continuous rotor system (CRS) is performed in this paper. The
CRS model is derived with the inclusion of some important factors, like the gyroscopic effect …
CRS model is derived with the inclusion of some important factors, like the gyroscopic effect …