Thursday, April 28, 2016



Soy un nuevo usuario

Olvidé mi contraseña

Entrada usuarios

Lógica Matemáticas Astronomía y Astrofísica Física Química Ciencias de la Vida
Ciencias de la Tierra y Espacio Ciencias Agrarias Ciencias Médicas Ciencias Tecnológicas Antropología Demografía
Ciencias Económicas Geografía Historia Ciencias Jurídicas y Derecho Lingüística Pedagogía
Ciencia Política Psicología Artes y Letras Sociología Ética Filosofía

Amplitude-dependent attenuation of compressive waves in curved granular crystals constrained by elastic guides

1) La descarga del recurso depende de la página de origen
2) Para poder descargar el recurso, es necesario ser usuario
    registrado en Universia

Detalles del recurso

Pertenece a: Caltech Authors  

Descripción: We study the wave propagation in a curved chain of spherical particles constrained by elastic guides under the axial impact of a falling mass. We characterize the force transmission properties of the chain by varying the striker’s mass and the chain’s curvature. Experimental tests demonstrate amplitude-dependent attenuation of compressive waves propagating through the curved chain. In particular, we observe that the curved systems present an improved transmission of small dynamic disturbances relative to that of strong excitations, resulting from the close interplay between the granular particles and the softer elastic medium. We also find that the transmission of the compressive waves through the chains is dependent on the initial curvature imposed to the system. Numerical simulations, based on an approach that combines discrete element and finite element methods, corroborate the experimental results. The findings suggest that hybrid structures composed of granular particles and linear elastic media can be employed as new passive acoustic filtering materials that selectively transmit or mitigate excitations in a desired range of pressure amplitudes.

Autor(es): Yang, Jinkyu -  Dunatunga, Sachith -  Daraio, Chiara - 

Id.: 55231049

Versión: 1.0

Estado: Final

Tipo de recurso: Article  -  PeerReviewed  - 

Tipo de Interactividad: Expositivo

Nivel de Interactividad: muy bajo

Audiencia: Estudiante  -  Profesor  -  Autor  - 

Estructura: Atomic

Coste: no

Copyright: sí

Requerimientos técnicos:  Browser: Any - 

Relación: [References]

Fecha de contribución: 08-ene-2016


* Yang, Jinkyu and Dunatunga, Sachith and Daraio, Chiara (2012) Amplitude-dependent attenuation of compressive waves in curved granular crystals constrained by elastic guides. Acta Mechanica, 223 (3). pp. 549-562. ISSN 0001-5970.

Otros recursos del mismo autor(es)

  1. Universal energy transport law for dissipative and diffusive phase transitions We present a scaling law for the energy and speed of transition waves in dissipative and diffusive m...
  2. A mechanical autonomous stochastic heat engine Stochastic heat engines are devices that generate work from random thermal motion using a small numb...
  3. Artificial membranes biomimicking pit vipers' thermal sensing Artificial membranes that are sensitive to temperature are needed in robotics to augment interaction...
  4. Composite 3D-printed meta-structures for low frequency and broadband vibration absorption Architected materials that control elastic wave propagation are essential in vibration mitigation an...
  5. Visco-thermal effects in acoustic metamaterials: from total transmission to total reflection and high absorption We theoretically and experimentally investigate visco–thermal effects on the acoustic propagation th...

Otros recursos de la misma colección

  1. En route to destruction: the evolution in composition of ices in comet D/2012 S1 (ISON) between 1.2 and 0.34 AU from the sun as revealed at infrared wavelengths We report production rates for H2O and eight trace molecules (CO, C_2H_6, CH_4, CH_3OH, NH_3, H_2CO,...
  2. The HerMES submillimetre local and low-redshift luminosity functions We used wide-area surveys over 39 deg2 by the HerMES (Herschel Multi-tiered Extragalactic Survey) co...
  3. Pressure-Dependent Polymorphism and Band-Gap Tuning of Methylammonium Lead Iodide Perovskite We report the pressure-induced crystallographic transitions and optical behavior of MAPbI_3 (MA=meth...
  4. Performance of the NOνA Data Acquisition and Trigger Systems for the full 14 kT Far Detector The NOvA experiment uses a continuous, free-running, dead-timeless data acquisition system to collec...
  5. A data summary file structure and analysis tools for neutrino oscillation analysis at the NOνA experiment The NuMI Off-axis Neutrino Experiment (NOvA) is designed to study neutrino oscillations in the NuMI ...

Valoración de los usuarios

No hay ninguna valoración para este recurso.Sea el primero en valorar este recurso.

Busque un recurso