activity
20232026
most citedImproving high-order VEM stability on badly-shaped elements

6 citations · 20 across the 11 of their papers we have counts for

collaborators

13 papers

math.NA2026

The Zipped Finite Element Method on polyhedral meshes

Stefano Berrone, Gioana Teora

We extend the high-order Zipped Finite Element Method to three-dimensional polyhedral elements. The construction relies on a local sub-tetrahedralization obtained by triangulating…

math.NA2026

Hydro-mechanical Model for Slope Stability Assessment: A polygonal stabilization-free discretization

Stefano Berrone, Francesca Marcon, Gioana Teora

Rainfall-induced landslides are governed by the interaction between subsurface water flow and soil mechanics, requiring robust numerical methods for the simulation of variably satu…

math.NA2026

Two continuous extensions of the Neural Approximated Virtual Element Method

Stefano Berrone, Moreno Pintore, Gioana Teora

We propose two globally continuous neural-based variants of the Neural Approximated Virtual Element Method (NAVEM), termed B-NAVEM and P-NAVEM. Both approaches construct local basi…

math.NA2025

The Zipped Finite Element Method: High-order Shape Functions for Polygons

Stefano Berrone, Lorenzo Neva, Moreno Pintore +2

In this paper, we present a new polygonal finite element method, called the Zipped Finite Element Method, for star-shaped polygons. The proposed approach constructs high-order shap…

math.NA2025

The Neural Approximated Virtual Element Method for Elasticity Problems

Stefano Berrone, Moreno Pintore, Gioana Teora

We present the Neural Approximated Virtual Element Method to numerically solve elasticity problems. This hybrid technique combines classical concepts from the Finite Element Method…

math.NA2025

POLYDIM: A C++ library for POLYtopal DIscretization Methods

Stefano Berrone, Andrea Borio, Gioana Teora +1

This paper introduces PolyDiM, an open-source C++ library tailored for the development and implementation of polytopal discretization methods for partial differential equations. Th…

math.NA2024

A 3D-1D Virtual Element Method for Modeling Root Water Uptake

Stefano Berrone, Stefano Ferraris, Denise Grappein +2

An optimization-based strategy is proposed for coupling three-dimensional and one-dimensional problems (3D-1D coupling) in the context of soil-root interaction simulations. This st…

math.NA2024★ 4 cited

The lowest-order Neural Approximated Virtual Element Method on polygonal elements

Stefano Berrone, Moreno Pintore, Gioana Teora

The lowest-order Neural Approximated Virtual Element Method on polygonal elements is proposed here. This method employs a neural network to locally approximate the Virtual Element…

math.NA2023★ 3 cited

The lowest-order Neural Approximated Virtual Element Method

Stefano Berrone, Davide Oberto, Moreno Pintore +1

We introduce the Neural Approximated Virtual Element Method, a novel polygonal method that relies on neural networks to eliminate the need for projection and stabilization operator…

math.NA2023★ 5 cited

The Mixed Virtual Element Discretization for highly-anisotropic problems: the role of the boundary degrees of freedom

Stefano Berrone, Stefano Scialò, Gioana Teora

In this paper, we discuss the accuracy and the robustness of the mixed Virtual Element Methods when dealing with highly-anisotropic diffusion problems. In particular, we analyze th…

math.NA2023★ 2 cited

Orthogonal polynomial bases in the Mixed Virtual Element Method

Stefano Berrone, Stefano Scialò, Gioana Teora

The use of orthonormal polynomial bases has been found to be efficient in preventing ill-conditioning of the system matrix in the primal formulation of Virtual Element Methods (VEM…

math.NA2023★ 6 cited

Improving high-order VEM stability on badly-shaped elements

Stefano Berrone, Gioana Teora, Fabio Vicini

For the 2D and 3D Virtual Element Methods (VEM), a new approach to improve the conditioning of local and global matrices in the presence of badly-shaped polytopes is proposed. It d…

math.NA2023

A first-order stabilization-free Virtual Element Method

Stefano Berrone, Andrea Borio, Francesca Marcon +1

In this paper, we introduce a new Virtual Element Method (VEM) not requiring any stabilization term based on the usual enhanced first-order VEM space. The new method relies on a mo…