Nonlinear model reduction for a cantilevered pipe conveying fluid: A system with asymmetric damping and stiffness matrices

M Li, H Yan, L Wang - Mechanical Systems and Signal Processing, 2023 - Elsevier
We construct reduced-order models (ROMs) for a geometrically nonlinear viscoelastic
cantilevered pipe conveying fluid, a dynamical system that includes asymmetric damping …

Coupled vibration of an annular plate-cylindrical drum structure with material-nonlinearity damping patches considering position-mistuned and stiffness-mistuned …

D Du, W Sun, H Liu, X Liu, H Ma, H Li - Composite Structures, 2023 - Elsevier
Considering position-mistuned and stiffness-mistuned connections, the coupled vibration of
an annular plate-cylindrical drum structure with material-nonlinearity damping patches is …

Modelling and vibration evaluations of rotational mistuning-connecting disk-drum coupling structures with partial hard-coating damping treatment

D Du, W Sun, X Yan, X Liu, H Ma, H Li - Applied Mathematical Modelling, 2023 - Elsevier
Mistuning connections between drums and disks are very common in engineering.
However, this point has not been mentioned in previous studies. This work develops …

Traveling-wave vibrations of disc-drum rotors with PSC under mistuning-coupled conditions

D Du, W Sun, B Cui, H Liu, H Ma, X Liu, H Li - International Journal of …, 2023 - Elsevier
This study emphasizes the considerations of both strain-dependent characteristics for partial
coatings in the rotatory state and multiple mistuning-coupled conditions, both of which are …

Veering of frequency loci and nonlinear coupling vibration analysis between traveling waves of rotational hard-coated cylindrical shells

D Du, X Yan, H Liu, X Liu, W Sun, H Li - Journal of Sound and Vibration, 2022 - Elsevier
The studies on the veering of frequency loci and coupling forced vibration between traveling
waves of rotational hard-coated cylindrical shells have been rarely found in previous papers …

Nonlinear vibration analysis of carbon fiber-reinforced composites with frequency-dependence and strain-dependence: experimental and theoretical studies

X Liu, W Sun, X Yan, D Du, H Liu, H Li - Thin-Walled Structures, 2023 - Elsevier
In this paper, with 3 kinds of carbon fiber unidirectional composite beams as test specimens,
a test system based on the resonance method is established to test both the frequency …

Modeling method for analyzing veering and nonlinear vibration of rotating hard-coated drum-disk structures considering the strain-amplitude dependency

D Du, X Yan, H Ma, X Liu, W Sun, H Li - Applied Mathematical Modelling, 2022 - Elsevier
This paper proposes a modeling method of rotating hard-coated drum-disk structures
considering the strain-amplitude dependency of coatings and studies the veering of …

Nonlinear and dual-parameter chaotic vibrations of lumped parameter model in blisk under combined aerodynamic force and varying rotating speed

W Zhang, L Ma, YF Zhang, K Behdinan - Nonlinear Dynamics, 2022 - Springer
In this paper, the nonlinear and dual-parameter chaotic vibrations are investigated for the
blisk structure with the lumped parameter model under combined the aerodynamic force and …

Order reduction of real time electromechanical systems by using a new model order reduction method and controller design

AK Prajapati, S Sen, M Kumar, M Mehrotra - Circuits, Systems, and Signal …, 2024 - Springer
This paper presents a new hybrid model diminution algorithm for the simplification of large-
scale real time systems. This strategy leverages the balanced realization algorithm …

Optimization-based vibration suppression method of deterministic blisks by nonlinear coatings with mistuning identification

X Yan, W Sun, J Su, Q Zhang - Structures, 2023 - Elsevier
Vibration problems of rotor blisks have been investigated in the past several years. To
suppress the vibration level, hard coatings have been employed on blisks in several works …