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 …
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
Owing to the influence of manufacturing and assembly errors, material performance
degradation, external loads and unpredictability of the environment during service, structural …
degradation, external loads and unpredictability of the environment during service, structural …
Hybrid uncertain static analysis with random and interval fields
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 …
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 …
Finite Element Models when the available information is insufficient to build representative …
Reliability analysis of structures with interval uncertainties under stationary stochastic excitations
Reliability analysis of linear discretized structural systems with interval uncertainties
subjected to stationary Gaussian random excitation is addressed. Under the assumption of …
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 …
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 …
first-order reliability method (FORM) using chaotic conjugate map. A nonlinear discrete map …
Hybrid reliability analysis of structures with multi-source uncertainties
A new hybrid reliability analysis technique based on the convex modeling theory is
developed for structures with multi-source uncertainties, which may contain randomness …
developed for structures with multi-source uncertainties, which may contain randomness …
Reliability based design optimization of coupled acoustic-structure system using generalized polynomial chaos
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 …
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
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 …
applied to a vehicle to investigate the sound pressure level inside the cabin. This study is …