Physics-informed deep learning for computational elastodynamics without labeled data

C Rao, H Sun, Y Liu - Journal of Engineering Mechanics, 2021 - ascelibrary.org
Numerical methods such as finite element have been flourishing in the past decades for
modeling solid mechanics problems via solving governing partial differential equations …

Deep learning-accelerated designs of tunable magneto-mechanical metamaterials

C Ma, Y Chang, S Wu, RR Zhao - ACS Applied Materials & …, 2022 - ACS Publications
Metamaterials are artificially structured materials with unusual properties, such as negative
Poisson's ratio, acoustic band gap, and energy absorption. However, metamaterials made of …

Data-driven algorithm based on the scaled boundary finite element method and deep learning for the identification of multiple cracks in massive structures

S Jiang, W Deng, ET Ooi, L Sun, C Du - Computers & Structures, 2024 - Elsevier
Structural defect identification is a vital aspect of structural health monitoring used to assess
the safety of engineering structures. However, quantitatively determining the dimensions of …

Optimal sensor placement in structural health monitoring using discrete optimization

H Sun, O Büyüköztürk - Smart Materials and Structures, 2015 - iopscience.iop.org
The objective of optimal sensor placement (OSP) is to obtain a sensor layout that gives as
much information of the dynamic system as possible in structural health monitoring (SHM) …

From diffuse damage to sharp cohesive cracks: A coupled XFEM framework for failure analysis of quasi-brittle materials

Y Wang, H Waisman - Computer Methods in Applied Mechanics and …, 2016 - Elsevier
Failure of quasi-brittle materials is governed by crack formation and propagation which can
be characterized by two phases:(i) diffuse material degradation process with initial crack …

A hybrid optimization algorithm with Bayesian inference for probabilistic model updating

H Sun, R Betti - Computer‐Aided Civil and Infrastructure …, 2015 - Wiley Online Library
A hybrid optimization methodology is presented for the probabilistic finite element model
updating of structural systems. The model updating process is formulated as an inverse …

[HTML][HTML] Multiple crack detection in 3D using a stable XFEM and global optimization

K Agathos, E Chatzi, SPA Bordas - Computational mechanics, 2018 - Springer
A numerical scheme is proposed for the detection of multiple cracks in three dimensional
(3D) structures. The scheme is based on a variant of the extended finite element method …

基于数据驱动的大体积结构裂缝深度反演.

江守燕, 杜成斌, 孙立国 - … Mechanics/Gongcheng Lixue, 2023 - search.ebscohost.com
裂缝是混凝土结构的主要病害, 查明裂缝的深度能够为结构的耐久性和安全性评价提供可靠的
信息, 但同时也是混凝土结构检测的难点之一. 提出了一种基于数据驱动的学习算法 …

[HTML][HTML] 基于有限元技术的疲劳裂纹扩展方法研究进展

苏玉昆, 马涛, 赵晓鑫, 张光亮, 朱加雷, 张鹏 - 力学进展, 2024 - lxjz.cstam.org.cn
疲劳裂纹是引起工程结构断裂失效的重要因素之一. 目前疲劳裂纹扩展的有限元仿真商业软件有
ANSYS, ABAQUS, FRANC3D, ZENCRACK 等, 这些软件为疲劳裂纹扩展过程的研究提供了 …

Flaw classification and detection in thin‐plate structures based on scaled boundary finite element method and deep learning

S Jiang, C Wan, L Sun, C Du - International Journal for …, 2022 - Wiley Online Library
The identification of internal structural flaws is an important research topic in structural health
monitoring. At present, structural safety inspections based on nondestructive testing …