SBFEM and Bayesian inference for efficient multiple flaw detection in structures

P Thananjayan, P Ramu, S Natarajan - Engineering Analysis with …, 2023 - Elsevier
Bayesian inference is a powerful technique for damage/flaw detection in critical structures.
This paper explores the application of Bayesian inference to identify the flaws …

A guided Bayesian inference approach for detection of multiple flaws in structures using the extended finite element method

G Yan, H Sun, H Waisman - Computers & Structures, 2015 - Elsevier
We propose a guided Bayesian inference approach for detection and quantification of
multiple flaws in structures without a priori knowledge on the number of flaws. Uncertainties …

Flaws detection in thin plate structures based on SBFEM and machine learning

L ZHAO, S JIANG, C DU - Engineering Mechanics, 2021 - engineeringmechanics.cn
Abstract Combining Scaled Boundary Finite Element Method (SBFEM) and machine
learning algorithm, the flaw information in the structure is quantitatively reversed based on …

Nondestructive identification of multiple flaws using XFEM and a topologically adapting artificial bee colony algorithm

H Sun, H Waisman, R Betti - International Journal for Numerical …, 2013 - Wiley Online Library
We present a novel algorithm based on the extended finite element method (XFEM) and an
enhanced artificial bee colony (EABC) algorithm to detect and quantify multiple flaws in …

Scaled boundary finite element based two-level learning approach for structural flaw identification

P Thananjayan, S Natarajan, ET Ooi, P Ramu - Engineering Analysis with …, 2024 - Elsevier
A comprehensive framework that combines classification and regression techniques through
machine learning (ML) algorithms to address the inverse problem of flaw identification and …

A two-scale algorithm for detection of multiple flaws in structures modeled with XFEM

H Sun, H Waisman, R Betti - … Characterization for Composite …, 2014 - spiedigitallibrary.org
This paper presents a novel algorithm for detection of multiple flaws in structures as an
inverse process, where the forward problem is based on eXtended Finite Element Method …

A multiscale flaw detection algorithm based on XFEM

H Sun, H Waisman, R Betti - International Journal for Numerical …, 2014 - Wiley Online Library
We present a novel multiscale algorithm for nondestructive detection of multiple flaws in
structures, within an inverse problem type setting. The key idea is to apply a two‐step …

Combining dynamic XFEM with machine learning for detection of multiple flaws

S Jiang, L Zhao, C Du - International Journal for Numerical …, 2021 - Wiley Online Library
A novel methodology for multiple flaw detection is presented in this study. It combines the
dynamic extended finite element method (XFEM) with machine learning for the first time. The …

Experimental application and enhancement of the XFEM–GA algorithm for the detection of flaws in structures

EN Chatzi, B Hiriyur, H Waisman, AW Smyth - Computers & Structures, 2011 - Elsevier
The extended finite element formulation (XFEM) combined with genetic algorithms (GAs)
have previously been shown to be very effective in the detection of flaws in structures. By …

Methods for the rapid detection of boundary condition variations in structural systems

X Li, T Salem, H Bolandi… - Smart Materials …, 2022 - asmedigitalcollection.asme.org
This study proposes a novel anomaly detection approach focusing on structural components
which do not have a baseline model and with complex boundary conditions that cannot be …