Numerical simulations of classical problems in two-dimensional (non) linear second gradient elasticity

U Andreaus, F Dell'Isola, I Giorgio, L Placidi… - International Journal of …, 2016 - Elsevier
A two-dimensional solid consisting of a linear elastic isotropic material is considered in this
paper. The strain energy is expressed as a function of the strain and of the gradient of strain …

Isogeometric analysis of 2D gradient elasticity

P Fischer, M Klassen, J Mergheim, P Steinmann… - Computational …, 2011 - Springer
In the present contribution the concept of isogeometric analysis is extended towards the
numerical solution of the problem of gradient elasticity in two dimensions. In gradient …

Finite-element analysis of polyhedra under point and line forces in second-strain gradient elasticity

JC Reiher, I Giorgio, A Bertram - Journal of Engineering Mechanics, 2017 - ascelibrary.org
In this paper, a finite-element implementation of linear second-strain gradient elasticity is
introduced based on a Hellinger-Reissner variational principle in order to use standard finite …

A strong formulation finite element method (SFEM) based on RBF and GDQ techniques for the static and dynamic analyses of laminated plates of arbitrary shape

N Fantuzzi, F Tornabene, E Viola, AJM Ferreira - Meccanica, 2014 - Springer
This paper deals with the static and dynamic analyses of multi-layered plates with
discontinuities. The two-dimensional first-order shear deformation theory is used to derive …

Buckling modes in pantographic lattices

I Giorgio, A Della Corte… - Comptes …, 2016 - comptes-rendus.academie-sciences …
Nous étudions le flambage de milieux continus bidimensionnels. Ces milieux, que nous
appelons «feuilles pantographiques», sont constitués par un réseau formé de deux familles …

Pattern formation in the three-dimensional deformations of fibered sheets

I Giorgio, R Grygoruk, F dell'Isola… - Mechanics Research …, 2015 - Elsevier
We simulate pattern formation in the deformations of a pantographic lattice using a model of
elastic surfaces that accounts for the geodesic bending of the constituent fibers. The theory …

NURBS-based formulation for nonlinear electro-gradient elasticity in semiconductors

BH Nguyen, X Zhuang, T Rabczuk - Computer Methods in Applied …, 2019 - Elsevier
Nanowire based semiconductors are promising for nanogenerators. However, there exist
limited numerical tools to analyze these type of structures taking into account effects which …

[HTML][HTML] 3D strain gradient elasticity: Variational formulations, isogeometric analysis and model peculiarities

SB Hosseini, J Niiranen - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
This article investigates the theoretical and numerical analysis as well as applications of the
three-dimensional theory of first strain gradient elasticity. The corresponding continuous and …

Three-dimensional isogeometric solutions to general boundary value problems of Toupin's gradient elasticity theory at finite strains

S Rudraraju, A Van der Ven, K Garikipati - Computer Methods in Applied …, 2014 - Elsevier
We present, to the best of our knowledge, the first complete three-dimensional numerical
solutions to a broad range of boundary value problems for a general theory of finite strain …

Shock filter as the classifier for image inpainting problem using the Cahn-Hilliard equation

A Novak, N Reinić - Computers & mathematics with applications, 2022 - Elsevier
We consider a problem of digital image inpainting using the modified Cahn-Hilliard
equation, where the standard double well potential is replaced by the shock filter. Using …