Deep learned finite elements

J Jung, K Yoon, PS Lee - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
In this paper, we propose a method that employs deep learning, an artificial intelligence
technique, to generate stiffness matrices of finite elements. The proposed method is used to …

[PDF][PDF] A review on stress and deformation analysis of curved beams under large deflection

S Ghuku, KN Saha - International Journal of Engineering and …, 2017 - researchgate.net
The paper presents a review on large deflection behavior of curved beams, as manifested
through the responses under static loading. The term large deflection behavior refers to the …

An efficient curved beam element for thermo-mechanical nonlinear analysis of functionally graded porous beams

M Rezaiee-Pajand, N Rajabzadeh-Safaei, AR Masoodi - Structures, 2020 - Elsevier
This research is aimed to develop an efficient and high-performance four-node iso-
parametric beam element, which is composed of Functionally Graded Material (FGM). In …

Analysis of geometrically exact beams with torsion-warping deformation by weak form quadrature elements

L Mao, H Zhong - Computers & Structures, 2023 - Elsevier
Geometrically exact beams with torsion-warping deformation are studied. With three-
dimensional finite strains, the Wagner effects as well as initial curvature and twist are taken …

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 …

The MITC4+ shell element in geometric nonlinear analysis

Y Ko, PS Lee, KJ Bathe - Computers & Structures, 2017 - Elsevier
We present the large displacement and rotation formulation of the new MITC4+ shell finite
element recently proposed by Ko, Lee and Bathe for linear analysis (Ko et al., 2017) and …

Geometrically nonlinear finite element analysis of functionally graded 3D beams considering warping effects

K Yoon, PS Lee, DN Kim - Composite Structures, 2015 - Elsevier
We present a geometrically nonlinear finite element formulation for analysis of functionally
graded 3D beams. The proposed formulation employs the continuum mechanics based …

[HTML][HTML] Dynamic analysis of rotating shafts using the absolute nodal coordinate formulation

B Bozorgmehri, VV Hurskainen, MK Matikainen… - Journal of Sound and …, 2019 - Elsevier
A finite-element based absolute nodal coordinate formulation (ANCF) is applied to dynamic
analysis of high-speed rotating shafts. To this end, a four-node higher-order ANCF beam …

A multi-director continuum beam finite element for efficient analysis of multi-layer strand cables

HJ Kim, DH Lee, K Yoon, PS Lee - Computers & Structures, 2021 - Elsevier
This study presents a multi-director continuum beam finite element developed for efficient
analysis of multi-layer strand cables. The beam element is derived from the continuum …

Continuum mechanics based beam elements for linear and nonlinear analyses of multi-layered composite beams with interlayer slips

HJ Kim, K Yoon, PS Lee - Composite Structures, 2020 - Elsevier
In this study, we present continuum mechanics based beam elements for linear and
nonlinear analyses of multi-layered composite beams with interlayer slips. Nonlinear …