4 papers
First-passage reliability sensitivity analysis of linear systems subjected to non-Gaussian wind excitations by surface decomposition method
Jianhua Xian, Sai Hung Cheung, Cheng Su
This contribution develops a surface decomposition method for first-passage dynamic reliability sensitivity analysis of linear systems exposed to non-Gaussian wind excitations. The…
Surface decomposition method for sensitivity analysis of first-passage dynamic reliability of linear systems
Jianhua Xian, Sai Hung Cheung, Cheng Su
This work presents a novel surface decomposition method for the sensitivity analysis of first-passage dynamic reliability of linear systems subjected to Gaussian random excitations…
A physics and data co-driven surrogate modeling method for high-dimensional rare event simulation
Jianhua Xian, Ziqi Wang
This paper presents a physics and data co-driven surrogate modeling method for efficient rare event simulation of civil and mechanical systems with high-dimensional input uncertain…
Relaxation-based importance sampling for structural reliability analysis
Jianhua Xian, Ziqi Wang
This study presents an importance sampling formulation based on adaptively relaxing parameters from the indicator function and/or the probability density function. The formulation…