Vibration characteristics of rotating truncated conical shells reinforced with agglomerated carbon nanotubes

H Afshari, H Amirabadi - Journal of Vibration and Control, 2022 - journals.sagepub.com
In this article, a comprehensive study is conducted on the free vibration analysis of rotating
truncated conical shells reinforced with functionally graded agglomerated carbon nanotubes …

Effect of graphene nanoplatelet reinforcements on the dynamics of rotating truncated conical shells

H Afshari - Journal of the Brazilian Society of Mechanical Sciences …, 2020 - Springer
In this paper, a parametric study is presented for free vibration analysis of rotating truncated
conical shells reinforced with graphene nanoplatelets (GNPs). The composite shell is …

Whirling analysis of multi-span multi-stepped rotating shafts

H Afshari, M Irani Rahaghi - Journal of the Brazilian Society of Mechanical …, 2018 - Springer
In this paper, differential quadrature element method is used to analyze free transverse
vibration of multi-stepped rotors resting on multiple bearings. Timoshenko beam theory is …

Modeling of multi-stepped rotor-bearing systems by the continuous segment method

A Mereles, KL Cavalca - Applied mathematical modelling, 2021 - Elsevier
This work presents a new method here named Continuous Segment Method (CSM) for
modeling complex rotor systems with multiple disks and bearings. It consists in dividing the …

Exact closed form solution for whirling analysis of Timoshenko rotors with multiple concentrated masses

H Afshari, K Torabi… - Mechanics Based Design …, 2022 - Taylor & Francis
In this paper, an exact solution is presented for whirling analysis of rotors carrying
concentrated masses. Effect of various parameters on the forward and backward …

Modal properties of a two-stage planetary gear system with a Timoshenko beam as the intermediate shaft model

H Liu, Z Zhan - Proceedings of the Institution of Mechanical …, 2022 - journals.sagepub.com
This study investigates the mode properties of a two-stage planetary gear (TSPG) system
with short intermediate shafts. For this purpose, the rotating intermediate shafts in this …

Nonlinear modeling of a misaligned rotor under non-stationary operating conditions

M Rokn-Abadi, S Amirzadegan… - Journal of Vibration …, 2024 - journals.sagepub.com
In this study, a novel model is developed to investigate the angular acceleration of the
nonlinear misaligned rotor passing through the critical speeds under non-stationary …

Mathematical modeling and dynamic analysis of carbon fiber reinforced plastic shaft-disk-bearing system considering internal damping effect

M Yang, H Hu, T Qin, Y Wang… - Journal of Vibration …, 2024 - journals.sagepub.com
The internal damping has significant influence on the dynamic characteristics of carbon fiber
reinforced plastic drive shaft. In this paper, a dynamic model of the single-span multi-disk …

Flexural vibration of multistep rotating Timoshenko shafts using hybrid modeling and optimization techniques

S Soheili, M Abachizadeh - Journal of Vibration and Control, 2023 - journals.sagepub.com
In this paper, the flexural vibration of uniform and non-uniform rotating shafts based on the
Timoshenko beam theory is investigated. Considering shear deformation and gyroscopic …

Continuous Rotor Dynamics of Multi-Disc and Multi-Span Rotor: A Theoretical and Numerical Investigation on the Continuous Model and Analytical Solution for …

A Wang, Y Bi, Y Xia, X Cheng, J Yang, G Meng - Applied Sciences, 2022 - mdpi.com
Continuous rotor dynamics remains stagnant. In this paper, aim at multi-span and multi-disc
rotor-bearing system, the continuous rotor dynamic analysis method (CRDAM) is proposed …