Benchmarking computational shell models

P Krysl, JS Chen - Archives of Computational Methods in Engineering, 2023‏ - Springer
The practice of verification of shell finite element formulations is discussed from a variety of
viewpoints: The provenance of benchmark target values, the suitability of benchmark …

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 …

A new MITC4+ shell element

Y Ko, PS Lee, KJ Bathe - Computers & Structures, 2017‏ - Elsevier
We presented in Ko et al.(2016) an MITC4+ shell element that shows a much improved
convergence behavior when compared to the widely used MITC4 (Dvorkin and Bathe, 1984) …

Locking-free isogeometric discretizations of linear plane Timoshenko rods: LAS elements

MS Faruque, H Casquero - Computer Methods in Applied Mechanics and …, 2024‏ - Elsevier
We make use of linear plane curved Timoshenko rods as a model problem to study how to
overcome shear and membrane locking in NURBS-based discretizations. In this work, we …

Nonlinear analysis of FG-sandwich plates and shells

M Rezaiee-Pajand, E Arabi, AR Masoodi - Aerospace Science and …, 2019‏ - Elsevier
This study is dedicated to develop a mixed interpolated formulation for nonlinear analysis of
plates and shells. Using Equivalent Single Layer (ESL) theory and the rule of mixture …

Hybrid-mixed low-order finite elements for geometrically exact shell models: Overview and comparison

M Lavrenčič, B Brank - Archives of Computational Methods in Engineering, 2021‏ - Springer
We critically review and compare fifteen mixed and mixed-hybrid nonlinear shell finite
element formulations with 4 nodes in order to identify those that are closest to the “optimal” …

The simplified MITC4+ shell element and its performance in linear and nonlinear analysis

HG Choi, PS Lee - Computers & Structures, 2024‏ - Elsevier
The recently developed improved MITC4+ shell element exhibits excellent convergence
behavior in both bending-and membrane-dominated shell problems. Compared to the …

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 scaled boundary finite element approach for shell analysis

M Wallner, C Birk, H Gravenkamp - Computer Methods in Applied …, 2020‏ - Elsevier
A new approach to model shell structures is proposed. It is based on the scaled boundary
finite element method in three dimensions. Thus, the solution is sought analytically in the …

Solid isotropic material with thickness penalization–A 2.5 D method for structural topology optimization

T Yarlagadda, Z Zhang, L Jiang, P Bhargava… - Computers & …, 2022‏ - Elsevier
SIMP is the most common topology optimization scheme to minimize the material utilization
of a structural component using element densities as a design variable. This paper presents …