Adaptive Isogeometric analysis for transient dynamics: Space–time refinement based on hierarchical a-posteriori error estimations

P Yu, SPA Bordas, P Kerfriden - Computer Methods in Applied Mechanics …, 2022 - Elsevier
In this paper, based on our proposed IsoGeometric Analysis (IGA)-based adaptivity
technique for plate vibration (Yu et al., 2018) the space–time adaptivity strategies used for …

[HTML][HTML] An efficient displacement-based isogeometric formulation for geometrically exact viscoelastic beams

G Ferri, D Ignesti, E Marino - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
We propose a novel approach to the linear viscoelastic problem of shear-deformable
geometrically exact beams. The generalized Maxwell model for one-dimensional solids is …

[HTML][HTML] Offshore renewable energies: A review towards Floating Modular Energy Islands—Monitoring, Loads, Modelling and Control

E Marino, M Gkantou, A Malekjafarian, S Bali… - Ocean engineering, 2024 - Elsevier
Abstract Floating Modular Energy Islands (FMEIs) are modularized, interconnected floating
structures that function together to produce, store, possibly convert and transport renewable …

[HTML][HTML] On the role of surface elasticity in nonlinear planar stability of FG porous reinforced nanosize curved beams having different degrees of curvature

S Sahmani, B Safaei, T Rabczuk - European Journal of Mechanics-A/Solids, 2024 - Elsevier
The prime target of the present study is to inspect the role of surface elasticity at nanoscale
in changing the stability branches as well as lower and upper limit loads of uniformly …

[HTML][HTML] An isogemetric analysis formulation for the dynamics of geometrically exact viscoelastic beams and beam systems with arbitrarily curved initial geometry

G Ferri, E Marino - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
We present a novel formulation for the dynamics of geometrically exact Timoshenko beams
and beam structures made of viscoelastic material featuring complex, arbitrarily curved initial …

[HTML][HTML] Geometrically exact static isogeometric analysis of an arbitrarily curved spatial Bernoulli–Euler beam

A Borković, B Marussig, G Radenković - Computer Methods in Applied …, 2022 - Elsevier
The objective of this research is the development of a geometrically exact model for the
analysis of arbitrarily curved spatial Bernoulli–Euler beams. The complete metric of the …

An improved isogeometric collocation formulation for spatial multi-patch shear-deformable beams with arbitrary initial curvature

D Ignesti, G Ferri, F Auricchio, A Reali… - Computer Methods in …, 2023 - Elsevier
The present paper presents a robust multi-patch formulation based on the isogeometric
collocation (IGA-C) method for the solution of linear, spatial Timoshenko beam structures …

A geometrically exact beam finite element for curved thin-walled bars with deformable cross-section

N Peres, R Gonçalves, D Camotim - Computer Methods in Applied …, 2021 - Elsevier
This paper presents a geometrically exact beam finite element for curved and twisted thin-
walled bars undergoing large displacements and finite rotations, combined with cross …

[HTML][HTML] Geometrically exact isogeometric Bernoulli–Euler beam based on the Frenet–Serret frame

A Borković, MH Gfrerer, B Marussig - Computer Methods in Applied …, 2023 - Elsevier
A novel geometrically exact model of the spatially curved Bernoulli–Euler beam is
developed. The formulation utilizes the Frenet–Serret frame as the reference for updating …

Isogeometric analysis of 3D beams for arbitrarily large rotations: Locking-free and path-independent solution without displacement DOFs inside the patch

D Magisano, L Leonetti, G Garcea - Computer Methods in Applied …, 2021 - Elsevier
In large rotation analysis of shear deformable 3D beams, some features characterize the
ideal discretization method: locking-free solution, small number of unknowns, accurate …