Explanipedia

Towards shock absorbing hyperelastic metamaterial design (II): A prospective multiscale buckling-lattice computational model Open

J. Cante, A. Nuñez-Labielle, Alfredo E. Huespe, J. Oliver · 2025

As a continuation of a previous work of the authors, on Computational Design of Shock-absorbing Metamaterials (Part I) (NunezLabielle et al. in Comput Methods Appl Mech Eng 393:114732, 2022), this work explores the potential of computation…

THE DESIGN IMPLEMENTATION AND COMMISSIONING OF A COMPUTER-CONTROLLED MULTI-ZONE SOUND SYSTEM FOR THE ROYAL HONG KONG JOCKEY CLUB Open

P MAPP, Paul Barnett, J. Oliver · 2024

The Happy Valley Public Address System started on the drawing board in July/ August 1986.It followed a 10 day survey of the site and attendance at several race meetings prior to the close of the 1985-86 season.The surveys involved acoustic…

On the Efficient and Accurate Non-linear Computational Modeling of Multilayered Bending Plates. State of the Art and a Novel Proposal: The $$2\text {D}+$$ Multiscale Approach Open

Pablo Wierna, D. Yago, O. Lloberas‐Valls, Alfredo E. Huespe, J. Oliver · 2024

Machine learning in solid mechanics: Application to acoustic metamaterial design Open

D. Yago, G. Sal‐Anglada, D. Roca, J. Cante, J. Oliver · 2024

Machine learning (ML) and Deep learning (DL) are increasingly pivotal in the design of advanced metamaterials, seamlessly integrated with material or topology optimization. Their intrinsic capability to predict and interconnect material pr…

Sound transmission loss enhancement through triple-peak coupled resonances acoustic metamaterials Open

G. Sal‐Anglada, D. Yago, J. Cante, J. Oliver, D. Roca · 2023

Coupled resonances mechanisms combined with the notion of acoustic metamaterials offer exceptional sound insulation capabilities, even at the challenging low frequency ranges below 1000 Hz. In this context, the concept of Multiresonant Lay…

Optimal design of Multiresonant Layered Acoustic Metamaterials (MLAM) via a homogenization approach Open

G. Sal‐Anglada, D. Yago, J. Cante, J. Oliver, D. Roca · 2023

Broadband sound attenuation at low frequency ranges (below 500 Hz) has been a challenge in the acoustics field which cannot be solved, via conventional materials, unless impractical amounts of mass are employed. Multiresonant Layered Acous…

Issue Information Open

Mark Ainsworth, M.H. Aliabadi, F. Armero, Ferdinando Auricchio, Klaus‐Jürgen Bathe , et al. · 2022

The International Journal for Numerical Methods in Engineering publishes original papers describing significant, novel developments in numerical methods that are applicable to engineering problems.The Journal is known for welcoming contrib…

Towards shock absorbing hyperelastic metamaterial design. (I) Macroscopic scale: Computational shock-capturing Open

A. Nuñez-Labielle, J. Cante, Alfredo E. Huespe, J. Oliver · 2022

Topology Optimization Methods for 3D Structural Problems: A Comparative Study Open

D. Yago, J. Cante, O. Lloberas‐Valls, J. Oliver · 2021

Multiresonant Layered Acoustic Metamaterial (MLAM) solution for broadband low-frequency noise attenuation through double-peak sound transmission loss response Open

D. Roca, J. Cante, O. Lloberas‐Valls, Teresa Pàmies, J. Oliver · 2021

High performance reduction technique for multiscale finite element modeling (HPR-FE2): Towards industrial multiscale FE software Open

Marcelo Raschi, O. Lloberas‐Valls, Alfredo E. Huespe, J. Oliver · 2020

Experimental and Numerical Assessment of Local Resonance Phenomena in 3D-Printed Acoustic Metamaterials Open

D. Roca, Teresa Pàmies, J. Cante, O. Lloberas‐Valls, J. Oliver · 2019

The so-called locally resonant acoustic metamaterials (LRAMs) are a new kind of artificially engineered materials capable of attenuating acoustic waves. As the name suggests, this phenomenon occurs in the vicinity of internal frequencies o…

Variational approach to relaxed topological optimization: Closed form solutions for structural problems in a sequential pseudo-time framework Open

J. Oliver, D. Yago, J. Cante, O. Lloberas‐Valls · 2019

Implicit–Explicit Integration of Gradient-Enhanced Damage Models Open

Thomas Titscher, J. Oliver, Jörg F. Unger · 2019

This material may be downloaded for personal use only. Any other use requires prior permission of the American Society of Civil Engineers. This material may be found at https://ascelibrary.org/doi/10.1061/%28ASCE%29EM.1943-7889.0001608.

Structure and petrology of the continental lithosphere: Methods and initial results from the COCORP program Open

Suzanne Mahlburg Kay, J. Oliver, Robert W. Kay, Stephen A. Kaufman, L. D. Brown · 2019

MAKING USE OF SYMMETRIES IN THE THREE-DIMENSIONAL ELASTIC INVERSE HOMOGENIZATION PROBLEM Open

Claudia Marcela Mèndez, Juan M. Podestá, Sebastián Toro, Alfredo E. Huespe, J. Oliver · 2019

The objective of this paper is the design of three-dimensional elastic metamaterials with periodic microarchitectures. The microarchitectures of these materials are attained by following an inverse design technique jointly with an homogeni…

Modelado de la fisuración en estructuras de hormigón Open

J. Oliver · 2019

En este trabajo, se presenta una perspectiva general de los modelos de fisuración existentes y de algunas aportaciones de la línea de investigación que se desarrollan, tanto en el dominio de la formulación te&oa…

Multi-scale modeling of materials accounting for inertial effects. Application to acoustic metamaterials Open

J. Oliver · 2019

Reduced finite element square techniques (RFE2): towards industrial multiscale fe software Open

O. Lloberas‐Valls, Marcelo Raschi Schaw, Alfredo E. Huespe, J. Oliver · 2019

Reduced order modeling techniques proposed by the authors are assessed for an industrial case study of a 3D reinforced composite laminate. Essentially, the main dominant strain micro-structural modes are obtained through standard reduced o…

Computational design of locally resonant acoustic metamaterials Open

D. Roca, D. Yago, J. Cante, O. Lloberas‐Valls, J. Oliver · 2018

Strain-injection and crack-path field techniques for 3D crack-propagation modelling in quasi-brittle materials Open

I.F. Dias, J. Oliver, O. Lloberas‐Valls · 2018

Material design of elastic structures using Voronoi cells Open

Juan M. Podestá, Carlos G. Méndez, Sebastián Toro, Alfredo E. Huespe, J. Oliver · 2018

Summary New tools for the design of metamaterials with periodic microarchitectures are presented. Initially, a two‐scale material design approach is adopted. At the structure scale, the material effective properties and their spatial distr…

High Performance Reduced Order Modeling Techniques Based on Optimal Energy Quadrature: Application to Geometrically Non-linear Multiscale Inelastic Material Modeling Open

M. Caicedo, Javier L. Mröginski, Sebastián Toro, Marcelo Raschi, Alfredo E. Huespe , et al. · 2018

Two‐scale topology optimization in computational material design: An integrated approach Open

A. Ferrer, J. Cante, J.A. Hernández, J. Oliver · 2017

Summary In this work, a new strategy for solving multiscale topology optimization problems is presented. An alternate direction algorithm and a precomputed offline microstructure database (Computational Vademecum) are used to efficiently s…

A computational multiscale homogenization framework accounting for inertial effects: Application to acoustic metamaterials modelling Open

D. Roca, O. Lloberas‐Valls, J. Cante, J. Oliver · 2017

A framework, based on an extended Hill–Mandel principle accounting for inertial effects (Multiscale Virtual Work principle), is developed for application to acoustic problems in the context of metamaterials modelling. The classical r…

Generation of segmental chips in metal cutting modeled with the PFEM Open

Juan Manuel Rodríguez Prieto, Josep Maria Carbonell, J. Cante, J. Oliver, Pär Jonsén · 2017

The Particle Finite Element Method, a lagrangian finite element method based on a continuous Delaunay re-triangulation of the domain, is used to study machining of Ti6Al4V. In this work the method is revised and applied to study the…

Continuous chip formation in metal cutting processes using the Particle Finite Element Method (PFEM) Open

J.M. Rodríguez, Josep Maria Carbonell, J. Cante, J. Oliver · 2017

Computational material design for acoustic cloaking Open

Carlos G. Méndez, Juan M. Podestá, O. Lloberas‐Valls, Sebastián Toro, Alfredo E. Huespe , et al. · 2017

A topology optimization technique based on the topological derivative and the level set function is utilized to design/synthesize the microstructure of a pentamode material for an acoustic cloaking device. The technique provides a microstr…

Computational multiscale modeling of fracture problems and its model order reduction Open

M. Caicedo, J. Oliver, Alfredo E. Huespe · 2017

This work focuses on the numerical modeling of fracture and its propagation in heterogeneous materials by means of hierarchical multiscale models based on the FE2 method, addressing at the same time, the problem of the excessive computatio…

The domain interface method in non-conforming domain decomposition multifield problems Open

O. Lloberas‐Valls, M. Cafiero, J. Cante, A. Ferrer, J. Oliver · 2016

The Domain Interface Method (DIM) is extended in this contribution for the case of mixed fields as encountered in multiphysics problems. The essence of the non-conforming domain decomposition technique consists in a discretization of a fic…

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