[HTML][HTML] Solving the random Legendre differential equation: Mean square power series solution and its statistical functions

G Calbo, JC Cortés, L Jódar, L Villafuerte - Computers & Mathematics with …, 2011‏ - Elsevier
In this paper we construct, by means of random power series, the solution of second order
linear differential equations of Legendre-type containing uncertainty through its coefficients …

[HTML][HTML] Approximating the density of random differential equations with weak nonlinearities via perturbation techniques

JC Cortés, E López-Navarro, JV Romero, MD Roselló - Mathematics, 2021‏ - mdpi.com
We combine the stochastic perturbation method with the maximum entropy principle to
construct approximations of the first probability density function of the steady-state solution of …

Numerical Approximation of Higher‐Order Solutions of the Quadratic Nonlinear Stochastic Oscillatory Equation Using WHEP Technique

MA El-Beltagy, AS Al-Johani - Journal of Applied Mathematics, 2013‏ - Wiley Online Library
This paper introduces higher‐order solutions of the stochastic nonlinear differential
equations with the Wiener‐Hermite expansion and perturbation (WHEP) technique. The …

Generalised solution of field distribution in cylindrical shells of finite length and thickness due to axial currents

EE Kriezis, DP Chrissoulidis, LG Georgiadis - IEE Proceedings A (Physical …, 1982‏ - IET
A cylindrical conducting shell of finite length and finite thickness, surrounding a straight
current filament of infinite length, is considered. This current filament is assumed to be …

Applying the Wiener-Hermite random technique to study the evolution of excess weight population in the region of Valencia (Spain)

JC Cortés López, JV Romero Bauset… - American Journal of …, 2012‏ - riunet.upv.es
This paper proposes a stochastic model to study the evolution of normal and excess weight
population between 24-65 years old in the region of Valencia (Spain). An approximate …

Advances on Differential Equations with Uncertainties and their Applications to Probabilistic Mechanics Engineering

E López Navarro - 2024‏ - riunet.upv.es
[EN] Differential equations in Engineering are fundamental tools for modelling and analysing
dynamical systems. Differential equations allow engineers to describe how physical …

[HTML][HTML] Higher-Order WHEP Solutions of Quadratic Nonlinear Stochastic Oscillatory Equation

MA El-Beltagy, AS Al-Johani - 2013‏ - scirp.org
This paper introduces higher-order solutions of the quadratic nonlinear stochastic oscillatory
equation. Solutions with different orders and different number of corrections are obtained …

Numerical discretization of stochastic oscillators with generalized numerical integrators

A Sirma, R KÖŞKER, M Akat - Thermal Science, 2021‏ - avesis.yildiz.edu.tr
In this study, we propose a numerical scheme for stochastic oscillators with additive noise
obtained by the method of variation of constants formula using generalized numerical …

Solving the Linear Oscillatory Problem without Dam** with Random Loading Condition Using the Decomposition Method

AS Al-Juhani, AA Al-Shammari - Journal of Applied Mathematics and …, 2019‏ - scirp.org
In this paper we study the solution of random linear oscillatory equation without dam**
and with random leading condition using the method. Finally, the time evolution of the mean …

Stochastic Oscillators with Quadratic Nonlinearity Using WHEP and HPM Methods

AS Al-Johani - American Journal of Computational Mathematics, 2013‏ - scirp.org
In this paper, quadratic nonlinear oscillators under stochastic excitation are considered. The
Wiener-Hermite expansion with perturbation (WHEP) method and the homotopy …