Stochastic response determination of multi-dimensional nonlinear systems endowed with fractional derivative elements by the GE-GDEE

Y Luo, PD Spanos, J Chen - International Journal of Non-Linear Mechanics, 2022 - Elsevier
In this paper a recently developed technique relying on the globally-evolving-based
generalized density evolution equation (GE-GDEE) is extended. It is applied to determining …

[HTML][HTML] Equation governing the probability density evolution of multi-dimensional linear fractional differential systems subject to Gaussian white noise

Y Luo, MZ Lyu, JB Chen, PD Spanos - Theoretical and Applied Mechanics …, 2023 - Elsevier
Stochastic fractional differential systems are important and useful in the mathematics,
physics, and engineering fields. However, the determination of their probabilistic responses …

Reliability-based topology optimization of fractionally-damped structures under nonstationary random excitation

J **an, C Su - Engineering Structures, 2023 - Elsevier
This contribution proposes an effective reliability-based topology optimization (RBTO)
framework for the layout of viscoelastic dampers of energy-dissipating structures under …

Nonstationary random vibration analysis of hysteretic systems with fractional derivatives by FFT-based frequency domain method

N Zhao, X Wang, Y Wu - Mechanical Systems and Signal Processing, 2024 - Elsevier
Nonstationary random vibration problems of nonlinear fractional systems are challenging
and drawing increasing attention. This study presents an efficient numerical method for the …

Nonstationary stochastic response of hysteretic systems endowed with fractional derivative elements

W Zhang, PD Spanos… - Journal of Applied …, 2023 - asmedigitalcollection.asme.org
In this paper, a computationally efficient approach is proposed for the determination of the
nonstationary response statistics of hysteretic oscillators endowed with fractional derivative …

Spectral decomposition-based explicit time-domain method for non-stationary random vibration analysis of train-bridge system

H Yu, J Zhou, B Wang, Y Li - Engineering Structures, 2025 - Elsevier
Due to the inherent randomness of track irregularity excitation, the dynamic analysis of the
train-bridge system (TBS) is essentially a random vibration problem. This paper presents a …

Stochastic optimization of levitation control system for maglev vehicles subjected to random guideway irregularity

R Chen, ZR Lu, C Su, YQ Ni - Journal of Sound and Vibration, 2025 - Elsevier
The dynamic performance of maglev vehicle-bridge coupled systems subjected to random
guideway irregularity, especially the levitation stability of the running vehicle subsystem, is a …

Dynamic Reliability Analysis of Continuous Girder Bridge with Fractional Order Dampers Under Nonstationary Random Excitation

B Yang, C Zhang, F Luo, S Liu, S Jia… - Available at SSRN …, 2024 - papers.ssrn.com
Due to the enhancement of seismic design standards, viscoelastic dampers have seen rapid
development and application in bridge structures. At present, there are few researches in the …

[PDF][PDF] Time-Varying Statistics of Oscillators Endowed with Fractional Derivative Elements

Y Luo, PD Spanos - researchgate.net
An approximate technique is presented for determining the statistics of the response
envelope of lightly-damped nonlinear oscillators endowed with fractional derivative …