[HTML][HTML] Design of compliant mechanisms using continuum topology optimization: A review

B Zhu, X Zhang, H Zhang, J Liang, H Zang, H Li… - … and Machine Theory, 2020 - Elsevier
Compliant mechanisms have become an important branch of modern mechanisms. Unlike
conventional rigid body mechanisms, compliant mechanisms transform the displacement …

Stability analysis for the virtual element method

L Beirão da Veiga, C Lovadina… - Mathematical Models and …, 2017 - World Scientific
We analyze the virtual element methods (VEM) on a simple elliptic model problem, allowing
for more general meshes than the one typically considered in the VEM literature. For …

Virtual elements for the Navier--Stokes problem on polygonal meshes

LB Da Veiga, C Lovadina, G Vacca - SIAM Journal on Numerical Analysis, 2018 - SIAM
A family of virtual element methods for the two-dimensional Navier--Stokes equations is
proposed and analyzed. The schemes provide a discrete velocity field which is pointwise …

A virtual element method for elastic and inelastic problems on polytope meshes

LB Da Veiga, C Lovadina, D Mora - Computer methods in applied …, 2015 - Elsevier
Abstract We present a Virtual Element Method (VEM) for possibly nonlinear elastic and
inelastic problems, mainly focusing on a small deformation regime. The numerical scheme is …

Arbitrary order 2D virtual elements for polygonal meshes: part I, elastic problem

E Artioli, L Beirão da Veiga, C Lovadina… - Computational …, 2017 - Springer
The present work deals with the formulation of a virtual element method for two dimensional
structural problems. The contribution is split in two parts: in part I, the elastic problem is …

[HTML][HTML] High-order virtual element method on polyhedral meshes

LB Da Veiga, F Dassi, A Russo - Computers & Mathematics with …, 2017 - Elsevier
We develop a numerical assessment of the Virtual Element Method for the discretization of a
diffusion–reaction model problem, for higher “polynomial” order k and three space …

The virtual element method

L Beirao Da Veiga, F Brezzi, D Marini, A Russo - Acta Numerica, 2023 - boa.unimib.it
The present review paper has several objectives. Its primary aim is to give an idea of the
general features of virtual element methods (VEMs), which were introduced about a decade …

Neural reparameterization improves structural optimization

S Hoyer, J Sohl-Dickstein, S Greydanus - arxiv preprint arxiv:1909.04240, 2019 - arxiv.org
Structural optimization is a popular method for designing objects such as bridge trusses,
airplane wings, and optical devices. Unfortunately, the quality of solutions depends heavily …

[HTML][HTML] High-order 3D virtual element method for linear and nonlinear elasticity

BB Xu, WL Fan, P Wriggers - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
In this work, we develop a general high-order virtual element method for three-dimensional
linear and nonlinear elastic problems. Applications of the virtual element method (VEM) in …

Geometrically nonlinear polygonal finite element analysis of functionally graded porous plates

NV Nguyen, HX Nguyen, S Lee… - Advances in Engineering …, 2018 - Elsevier
In this study, an efficient polygonal finite element method (PFEM) in combination with
quadratic serendipity shape functions is proposed to study nonlinear static and dynamic …