A hybrid relaxed first-order reliability method for efficient structural reliability analysis

B Keshtegar, Z Meng - Structural Safety, 2017 - Elsevier
Abstract The Hasofer-Lind and Rakwitz-Fiessler (HL-RF) algorithm is widely used for
structural reliability analysis in first-order moment method (FORM). However, it meets non …

A GRU-based ensemble learning method for time-variant uncertain structural response analysis

K Zhang, N Chen, J Liu, M Beer - Computer Methods in Applied Mechanics …, 2022 - Elsevier
Owing to the influence of manufacturing and assembly errors, material performance
degradation, external loads and unpredictability of the environment during service, structural …

Hybrid uncertain static analysis with random and interval fields

D Wu, W Gao - Computer Methods in Applied Mechanics and …, 2017 - Elsevier
Uncertain static analysis of an engineering structure with diverse type of non-deterministic
system parameter is investigated in this study. Unlike the traditional hybrid uncertain static …

Interval fields to represent uncertainty on the output side of a static FE analysis

W Verhaeghe, W Desmet, D Vandepitte… - Computer Methods in …, 2013 - Elsevier
Intervals have been used extensively for the representation of parametric uncertainty in
Finite Element Models when the available information is insufficient to build representative …

Reliability analysis of structures with interval uncertainties under stationary stochastic excitations

G Muscolino, R Santoro, A Sofi - Computer Methods in Applied Mechanics …, 2016 - Elsevier
Reliability analysis of linear discretized structural systems with interval uncertainties
subjected to stationary Gaussian random excitation is addressed. Under the assumption of …

Evidence theory-based reliability optimization design using polynomial chaos expansion

C Wang, HG Matthies - Computer methods in applied mechanics and …, 2018 - Elsevier
With the development of reliability technique, the safety assessment for the problem with
epistemic uncertainty has attracted widespread attention. Evidence theory is a useful tool to …

Stability iterative method for structural reliability analysis using a chaotic conjugate map

B Keshtegar - Nonlinear Dynamics, 2016 - Springer
In this paper, an iterative mathematical formula is developed to control instability solutions of
first-order reliability method (FORM) using chaotic conjugate map. A nonlinear discrete map …

Hybrid reliability analysis of structures with multi-source uncertainties

L Wang, X Wang, Y Xia - Acta Mechanica, 2014 - Springer
A new hybrid reliability analysis technique based on the convex modeling theory is
developed for structures with multi-source uncertainties, which may contain randomness …

Reliability based design optimization of coupled acoustic-structure system using generalized polynomial chaos

K Dammak, A El Hami, S Koubaa, L Walha… - International Journal of …, 2017 - Elsevier
In this work, an analytical formulation and numerical implementation of the response of the
coupled structure-acoustic system were performed. The acoustic pressure inside the cavity …

Numerical modelling of vibro-acoustic problem in presence of uncertainty: Application to a vehicle cabin

K Dammak, S Koubaa, A El Hami, L Walha, M Haddar - Applied Acoustics, 2019 - Elsevier
In this paper, the formulation of the finite element method for vibro-acoustic problem is
applied to a vehicle to investigate the sound pressure level inside the cabin. This study is …