Large scale mechanical metamaterials as seismic shields

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Seismic shield: large-scale metamaterials combat earthquakes

Shielding vulnerable structures using large-scale metamaterials which inhibit the propagation of incoming seismic waves through interference effects could help to protect a much wider area without any direct modification to existing buildings in the region.

Seismic shield: large-scale metamaterials combat ...

Large scale mechanical metamaterials as seismic shields Simple design of novel triple-band terahertz metamaterial absorber for sensing application Origami-inspired building block and parametric design for mechanical metamaterials

Seismic shield: Large-scale metamaterials combat ...

Seismic shield: Large-scale metamaterials combat earthquakes in 3-D model ... Large scale mechanical metamaterials as seismic shields. ... Large-scale metamaterials combat earthquakes in 3

Metamaterials could mitigate earthquake effects The Engineer

Large-scale metamaterials can attenuate the energy and amplitude of harmful low-frequency vibrations associated with seismic shocks. This is the conclusion of a European study published in the New Journal of Physics that proposes the use of metamaterials in regions threatened by earthquakes.

Mechanical Metamaterials and Metadevices SpringerLink

11.9 Mechanical Metamaterials as Seismic Shields. The regularity of earthquakes , their destructive power, and the nuisance of ground vibration in urban environments, all motivate designs of defense structures to lessen the impact of seismic and ground vibration waves on buildings. ... penta-mode lattices, 3D large-scale mechanical ...

Bioinspired materials - unito.it

These features make elastic metamaterials attractive for various applications including seismic wave shielding, noise abatement, vibration isolation, acoustic cloaking, non-destructive evaluation, sub-wavelength imaging, and even thermal management.

Editorial: Advances in Mechanical Metamaterials

of mechanical metamaterials to disseminate their ideas on the design and characterization of new configurations, to highlight novel dynamic phenomena and explore additional promising applications, but also to stimulate the interest of other readers of the journal, with the aim

Growth of Multidisciplinary Scientific Research - CHDS/Ed

Large Scale Mechanical Metamaterials as Seismic Shields: A journal article about a novel approach that uses large-scale mechanical metamaterials to address the problem of earthquake damage from acoustic waves. The article describes how 3D simulations were used to test the feasibility of a passive isolation strategy for seismic waves.

Experiments on Seismic Metamaterials: Molding Surface Waves

Experiments on Seismic Metamaterials: Molding Surface Waves S. Brûlé,1 E.H. Javelaud,1 S. Enoch,2 and S. Guenneau2 ... using an approximate plate model. For complex natural materials such as soils, this large-scale experiment ... such as seismic wave shields or

A novel method for identifying surface waves in periodic ...

In this study, the propagation of surface waves in both one- and two-dimensional periodic structures is investigated. By combining finite element method, an energy distribution parameter is defined and a new method for identifying surface wave modes is suggested.

Principes et applications des métamatériaux acoustiques ...

[6] Marco Miniaci, Anastasiia Krushynska, Federico Bosia and Nicola M Pugno, Large scale mechanical metamaterials as seismic shields, New Journal of Physics 18, 083041, 2016

Large scale mechanical metamaterials as seismic shields ...

Large scale mechanical metamaterials as seismic shields. ... a novel approach to the problem and discuss the feasibility of a passive isolation strategy for seismic waves based on large-scale mechanical metamaterials, including for the first time numerical analysis of both surface and guided waves, soil dissipation effects, and adopting a full ...

Large scale mechanical metamaterials as seismic shields

Large scale mechanical metamaterials as seismic shields View the table of contents for this issue, or go to the journal homepage for more 2016 New J. Phys. 18 083041

Seismic wave abatement - Mechanical metamaterials

Large-scale metamaterials as seismic shields have been also reported on the following invited seminars: 1. At the group "Fracture Lab" headed by Prof. Chien-Ching Ma on 1 August 2016 at the Department of Mechanical Engineering, National Taiwan University in Taipei, Taiwan, R.O.C.

Large scale mechanical metamaterials as seismic shields

exploitingtheirunconventionalpropertiessuchasnegativerefraction[8,9],cloaking[10],frequencybandgaps (BGs)[11],etc.Fromahistoricalpointofview ...

(PDF) Editorial: Advances in Mechanical Metamaterials

mechanical metamaterials as seismic shields. New J. Phys. 18 ... and discuss the feasibility of a passive isolation strategy for seismic waves based on large-scale mechanical metamaterials ...

Large scale mechanical metamaterials as seismic shields

In this work, we propose a novel approach to the problem and discuss the feasibility of a passive isolation strategy for seismic waves based on large-scale mechanical metamaterials, including for the first time numerical analysis of both surface and guided waves, soil dissipation effects, and adopting a

Metamaterials - PubMed Central (PMC)

May 21, 2013· Shields made from large-scale metamaterials might protect vulnerable shorelines or oilrigs from deadly tsunamis by sending the wave away. Along those same lines, seismic shields buried in the ground could theoretically protect buildings from the destructive vibrations of earthquakes.

PhD Proposal 2018 - csc-centrale.ec-lyon.fr

seismic metamaterials to protect critical civil engineering structures from seismic waves have ... large amplitudes and a low frequency content implying wavelengths of similar order to the dimensions of buildings ... F. Bosia and N. M Pugno. Large scale mechanical metamaterials asseismic shields, New J. Phys. 18 083041, 2016. [5] C. Murillo, L ...

Chiral Seismic Attenuation with Acoustic Metamaterials

We study the analogy between the linear elasticity theory equations and classical Maxwell equation with chiral effects and we propose a new method of an earthquake-resistant design to support conventional aseismic designs using acoustic metamaterials. We suggest a simple and practical method to reduce the amplitude of a seismic wave exponentially.

Large scale mechanical metamaterials as seismic shields ...

The Deutsche Physikalische Gesellschaft (DPG) with a tradition extending back to 1845 is the largest physical society in the world with more than 61,000 members.

Waves in Structured Mediums or Metamaterials: A Review ...

To cloak, modulate, guide, filter out or attenuate unwanted frequencies from the propagating waves, metamaterials are widely investigated as a special form of the periodic structures from the past 2

Large-scale metamaterials combat earthquakes in 3-D model ...

The study, performed by researchers in Europe and involving detailed computer simulations, shows that large-scale metamaterials can attenuate the energy and amplitude of harmful low-frequency vibrations associated with seismic shocks.

SEISMIC WAVEGUIDE OF METAMATERIALS - worldscientific.com

It is a mechanical way to convert the seismic energy into sound and heat. Login to your account. Email. Password. Forgot password. Keep me logged in. New User ... Large scale phononic metamaterials for seismic isolation. N. Aravantinos-Zafiris and M. M. Sigalas. 14 Aug 2015

Seismic shield: Large-scale metamaterials combat ...

Shielding vulnerable structures using large-scale metamaterialswhich inhibit the propagation of incoming seismic waves through interference effectscould help to protect a much wider area ...

Seismic shield: Large-scale metamaterials combat ...

Seismic shield: Large-scale metamaterials combat earthquakes in 3-D model 24 August 2016 Numerical analysis considers both surface and guided waves, accounts for soil dissipation, and

FROM PHONONIC CRYSTALS TO SEISMIC METAMATERIALS

the large-scale analogs of acoustic metamaterials, called seismic metamaterials. This seismic shield can be obtained by phonon crystals which are based on a periodic distribution of inclusions (scatterers such as boreholes) embedded in a matrix (e.g. soil), designed ...

Anastasiia Krushynska - Researcher - University of Trento ...

In this work, we propose a novel approach to the problem and discuss the feasibility of a passive isolation strategy for seismic waves based on large-scale mechanical metamaterials, including for ...

An Innovative Seismic Isolation Strategy Based on Hier ...

tion strategy for seismic waves based on large-scale hierarchical metamaterials (LSHM). The band structures of LSHM operating in the seismic frequency range are reported. A comparative study on the band structures ... F. Bosia and N.M. Pugno, Large scale mechanical metamaterials as seismic shields, New J. Phys. 18, 083041 (2016). Created Date:

Large-scale metamaterials could combat earthquake shocks ...

Future cities could be protected from destructive earthquakes using large-scale metamaterial shields to dampen seismic waves, according to new work done by researchers in Europe. The team used 3D modelling to demonstrate the potential of the shields, which are made of arrays of cavities dug into the ...

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