Free and forced vibration analysis of two-dimensional linear elastic solids using the finite element methods enriched by interpolation cover functions

Y Li, S Dang, W Li, Y Chai - Mathematics, 2022 - mdpi.com
In this paper, a novel enriched three-node triangular element with the augmented
interpolation cover functions is proposed based on the original linear triangular element for …

The enriched finite element method-virtual crack closure technique for cracked structures

L Zhou, J Wang, Y Wang, X Li, Y Chai - Thin-Walled Structures, 2023 - Elsevier
In the present work, the enriched finite element method (EFEM) and virtual crack closure
technology (VCCT) are applied to model the fracture mechanics problems of structures …

Stochastic buckling quantification of laminated composite plates using cell-based smoothed finite elements

MC Trinh, SN Nguyen, H Jun, T Nguyen-Thoi - Thin-Walled Structures, 2021 - Elsevier
In this work, uncertainty in fiber angles, laminate dimensions, and constituent material
properties of composite laminates is investigated to quantify their effects on the buckling …

Analysis of shell structures by an improved 3-node triangular flat shell element with a bubble function and cell-based strain smoothing

T Chau-Dinh - Thin-Walled Structures, 2023 - Elsevier
An enhanced 3-node triangular flat shell element with 18 degrees of freedom according to
the Reissner–Mindlin theory is presented in this paper. New cell-based smoothed (CS) …

The strain-smoothed MITC3+ shell finite element

C Lee, PS Lee - Computers & Structures, 2019 - Elsevier
In this paper, we propose the strain-smoothed MITC3+ shell finite element. The membrane
strain field of the continuum mechanics based 3-node triangular shell element (MITC3+) is …

A finite element method with cover functions for underwater acoustic propagation problems

Q Gui, G Zhang, Y Chai, W Li - Ocean Engineering, 2022 - Elsevier
To improve the performance of the classical finite element method (FEM) in acoustic
analyses, in this work the interpolation cover functions are incorporated into the standard …

A novel isogeometric layerwise element for piezoelectric analysis of laminated plates with straight/curvilinear fibers

KA Hasim, A Kefal - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
This study presents an isogeometric layerwise element, L-IGA based on the principle of
virtual displacement theory to model the bending behavior of laminated smart composite …

Self-updated four-node finite element using deep learning

J Jung, H Jun, PS Lee - Computational Mechanics, 2022 - Springer
This paper introduces a new concept called self-updated finite element (SUFE). The finite
element (FE) is activated through an iterative procedure to improve the solution accuracy …

Learned Gaussian quadrature for enriched solid finite elements

M Yu, S Kim, G Noh - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
We propose a novel Gaussian quadrature, referred to as the learned Gaussian quadrature,
that is obtained by employing a supervised learning algorithm to find improved weights for …

The strain-smoothed 4-node quadrilateral finite element

C Lee, S Kim, PS Lee - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
Recently, the strain-smoothed element (SSE) method has been developed for 3-node
triangular and 4-node tetrahedral solid elements. The method was also applied for …