The applications of POD method in dual rotor-bearing systems with coupling misalignment

K Lu, Y Jin, P Huang, F Zhang, H Zhang, C Fu… - … Systems and Signal …, 2021 - Elsevier
In this paper, the proper orthogonal decomposition (POD) method is first time apply to the
dimension reduction of dual rotor-bearing experiment rig which is similar to an aero-engine …

Hybrid analysis and modeling, eclecticism, and multifidelity computing toward digital twin revolution

O San, A Rasheed, T Kvamsdal - GAMM‐Mitteilungen, 2021 - Wiley Online Library
Most modeling approaches lie in either of the two categories: physics‐based or data‐driven.
Recently, a third approach which is a combination of these deterministic and statistical …

[HTML][HTML] Nonlinear dynamic analysis of a complex dual rotor-bearing system based on a novel model reduction method

Y Jin, K Lu, C Huang, L Hou, Y Chen - Applied Mathematical Modelling, 2019 - Elsevier
In this paper, a dynamic model of a complex dual rotor-bearing system of an aero-engine is
established based on the finite element method with three types of beam elements (rigid …

[HTML][HTML] On closures for reduced order models—A spectrum of first-principle to machine-learned avenues

SE Ahmed, S Pawar, O San, A Rasheed, T Iliescu… - Physics of …, 2021 - pubs.aip.org
For over a century, reduced order models (ROMs) have been a fundamental discipline of
theoretical fluid mechanics. Early examples include Galerkin models inspired by the Orr …

Modeling strategy and dynamic analysis of a dual-rotor-bearing-casing system in aero-engine

W Ao, Z Ke, Z Zhuo, X Zhifeng, Z Ming - Applied Mathematical Modelling, 2023 - Elsevier
In this study, a novel modeling method for a dual-rotor-bearing-casing system is proposed
based on the finite element method (FEM) and the model reduction method. The dual-rotor …

[PDF][PDF] 组合支承转子系统动力学的研究进展

罗忠, 王晋雯, 韩清凯, 王德友 - 机械工程学报, 2021 - scholar.archive.org
转子系统是旋转机械的核心部件, 在航空发动机, 燃气轮机, 压缩机和数控机床等众多机械装备中
都有广泛应用. 转子系统一般由旋转部件和支承部件构成, 其中组合支承是转子系统中重要的承 …

Dynamic response analysis of a double-disc rotor system with rolling bearings based on POD method

K Lu, D Guo, H Cheng, W Zhang, H Zhang… - International Journal of …, 2024 - Elsevier
In this paper, a double-disc rotor system with two support rolling bearings is reduced by the
proper orthogonal decomposition (POD) method. The finite element method (FEM) is used to …

A comparative study of different dynamic condensation techniques applied to multi-damage identification of FGM and FG-CNTRC plates

D Dinh-Cong, TT Truong, T Nguyen-Thoi - Engineering with Computers, 2022 - Springer
The dynamic condensation method has been recognized as an effective alternative for
structural damage identification using spatially-incomplete modal measurements. However …

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 …

Model based analysis and identification of multiple fault parameters in coupled rotor systems with offset discs in the presence of angular misalignment and integrated …

RS Srinivas, R Tiwari, C Kannababu - Journal of Sound and Vibration, 2019 - Elsevier
In the present paper, the modelling, analysis and identification of various system faults in the
presence of angular misalignment in coupled rotor-train systems integrated with an auxiliary …