A review of continuum mechanics models for size-dependent analysis of beams and plates

HT Thai, TP Vo, TK Nguyen, SE Kim - Composite Structures, 2017 - Elsevier
This paper presents a comprehensive review on the development of higher-order continuum
models for capturing size effects in small-scale structures. The review mainly focus on the …

On the advances of computational nonclassical continuum theories of elasticity for bending analyses of small-sized plate-based structures: a review

AA Nuhu, B Safaei - Archives of Computational Methods in Engineering, 2023 - Springer
Nonclassical continuum theories of elasticity (NCTE) have been extensively used in the
mechanical analyses of small-sized structures due to their effective and tremendous ability …

[HTML][HTML] Nonlinear finite element analysis within strain gradient elasticity: Reissner-Mindlin plate theory versus three-dimensional theory

J Torabi, J Niiranen, R Ansari - European Journal of Mechanics-A/Solids, 2021 - Elsevier
Nonlinear plate bending within Mindlin's strain gradient elasticity theory (SGT) is
investigated by employing somewhat non-standard finite element methods. The main goal is …

Isogeometric analysis of shear-deformable, in-plane functionally graded microshells by Mindlin's strain gradient theory

TM Le, D Vo, ZY Aung, E Atroshchenko, TQ Bui… - Engineering with …, 2024 - Springer
This paper proposes a general strain-gradient and shear-deformable isogeometric
microshell formulation based on the complete Mindlin's form II strain gradient theory (SGT) …

A C1 continuous hexahedral element for nonlinear vibration analysis of nano-plates with circular cutout based on 3D strain gradient theory

J Torabi, R Ansari, M Darvizeh - Composite Structures, 2018 - Elsevier
The main objective of the present study is to develop a hexahedral C 1 continuous element
for the three-dimensional nonlinear free vibration analysis of rectangular nano-plates with …

Application of a non-conforming tetrahedral element in the context of the three-dimensional strain gradient elasticity

J Torabi, R Ansari, M Darvizeh - Computer Methods in Applied Mechanics …, 2019 - Elsevier
In the size-dependent continuum theories such as the strain gradient theory, the higher-
order derivatives of displacement field appear in the energy functional of the structure which …

A nonclassical finite element approach for the nonlinear analysis of micropolar plates

R Ansari, AH Shakouri… - Journal of …, 2017 - asmedigitalcollection.asme.org
Based on the micropolar elasticity theory, a size-dependent rectangular element is proposed
in this article to investigate the nonlinear mechanical behavior of plates. To this end, a novel …

8‐node hexahedral unsymmetric element with rotation degrees of freedom for modified couple stress elasticity

Y Shang, CF Li, KY Jia - International Journal for Numerical …, 2020 - Wiley Online Library
Summary A new C 0 8‐node 48‐DOF hexahedral element is developed for analysis of size‐
dependent problems in the context of the modified couple stress theory by extending the …

Resonance responses of geometrically imperfect functionally graded extensible microbeams

MH Ghayesh, H Farokhi… - Journal of …, 2017 - asmedigitalcollection.asme.org
This paper aims at analyzing the size-dependent nonlinear dynamical behavior of a
geometrically imperfect microbeam made of a functionally graded (FG) material, taking into …

Second strain gradient finite element analysis of vibratory nanostructures based on the three-dimensional elasticity theory

J Torabi, R Ansari, M Bazdid-Vahdati… - Iranian Journal of Science …, 2020 - Springer
By introducing the C^ 2 C 2 continuous hexahedral element, the free vibration finite element
analysis of the nanobeam and nanoplate structures is reported based on the second strain …