Path integral methods for the probabilistic analysis of nonlinear systems under a white-noise process

M Di Paola, G Alotta - ASCE-ASME Journal of Risk …, 2020 - asmedigitalcollection.asme.org
In this paper, the widely known path integral method, derived from the application of the
Chapman–Kolmogorov equation, is described in details and discussed with reference to the …

Generalized distribution reconstruction based on the inversion of characteristic function curve for structural reliability analysis

J Xu, J Song, Q Yu, F Kong - Reliability Engineering & System Safety, 2023 - Elsevier
Recovering the probability distribution of the performance function with an arbitrary shape is
still a difficult task for structural reliability analysis. Since working with the characteristic …

Efficient reliability assessment of structural dynamic systems with unequal weighted quasi-Monte Carlo simulation

J Xu, W Zhang, R Sun - Computers & Structures, 2016 - Elsevier
An efficient method for reliability assessment of structural dynamic systems is proposed. In
the proposed method, the reliability is evaluated by the equivalent extreme value distribution …

Fokker Planck equation solved in terms of complex fractional moments

M Di Paola - Probabilistic Engineering Mechanics, 2014 - Elsevier
In this paper the solution of the Fokker Planck (FPK) equation in terms of (complex) fractional
moments is presented. It is shown that by using concepts coming from fractional calculus …

Transient response analysis of a system with nonlinear stiffness and nonlinear damping excited by Gaussian white noise based on complex fractional moments

D Itoh, T Tsuchida - Acta Mechanica, 2022 - Springer
An analytical method based on complex fractional moments (CFMs) is presented to obtain
the transient response probability density of a dynamic system with nonlinearity in both …

Probabilistic characterization of nonlinear systems under Poisson white noise via complex fractional moments

A Di Matteo, M Di Paola, A Pirrotta - Nonlinear Dynamics, 2014 - Springer
In this paper, the probabilistic characterization of a nonlinear system enforced by Poissonian
white noise in terms of complex fractional moments (CFMs) is presented. The main …

Transient response of the time-delay system excited by Gaussian noise based on complex fractional moments

L Niu, W Xu, Q Guo - Chaos: An Interdisciplinary Journal of Nonlinear …, 2021 - pubs.aip.org
In this paper, the transient response of the time-delay system under additive and
multiplicative Gaussian white noise is investigated. Based on the approximate …

Estimation of evolutionary power spectra of univariate stochastic processes by energy-based reckoning

PD Spanos, A Di Matteo, H Zhang, Q Yue… - Reliability Engineering & …, 2024 - Elsevier
In this paper a novel procedure is developed for evolutionary power spectra (EPS)
estimation of univariate nonstationary stochastic processes. Specifically, the EPS is …

Application of Complex Fractional Moment in nonlinear system with Gaussian colored noise

L Niu, Y Song, W Xu - International Journal of Non-Linear Mechanics, 2022 - Elsevier
This paper studies the transient response of the nonlinear system with Gaussian colored
noise. The one-dimensional Itô stochastic differential equation with respect to amplitude …

A partial decomposition cutting method with CF-discrepancy for points selection in stochastic seismic analysis of structures

Y Zhang, J Xu - Structural Safety, 2024 - Elsevier
The probability density evolution method is renowned for its effectiveness in conducting
stochastic seismic response analyses of structures with uncertain parameters. Within this …