Monday, September 1, 2014

 

 



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] http://resolver.caltech.edu/CaltechAUTHORS:20120430-110648937
[References] http://authors.library.caltech.edu/30401/

Fecha de contribución: 01-may-2012

Contacto:

Localización:
* 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 http://resolver.caltech.edu/CaltechAUTHORS:20120430-110648937


Otros recursos del mismo autor(es)

  1. Effect of fluid medium on mechanical behavior of carbon nanotube foam This study reports the constitutive response and energy absorption capabilities of fluid-impregnated...
  2. A nonlocal dense granular flow model implemented in the material point method A nonlocal model for dense granular flow is implemented in the material point method (MPM), an exten...
  3. Solitary waves in a chain of repelling magnets We study experimentally, numerically, and theoretically the dynamics of a one dimensional array of r...
  4. Strain-rate-dependent model for the dynamic compression of elastoplastic spheres We present a force-displacement contact model for the compressive loading of elastoplastic spheres. ...
  5. Thin Films with Ultra-low Thermal Expansion Ultra-low coefficient of thermal expansion (CTE) is an elusive property, and narrow temperature rang...

Otros recursos de la misma colección

  1. Quasi Two-Dimensional Flows Through a Cascade A thin airfoil theory is developed for airfoils spanning a slowly diverging or converging channel, t...
  2. Production of Accelerated Cavitation Damage by an Acoustic Field in a Cylindrical Cavity A convenient and economical method for the production of cavitation damage is described. Cavitation ...
  3. Pressure Distributions on the Vanes of a Radial Flow Impeller Theoretical approaches give very little guide to the design of radial arrays of vanes for the additi...
  4. From neuronal populations to behavior: a computational journey Cognitive behaviors originate in the responses of neuronal populations. We have a reasonable underst...
  5. Herschel SPIRE FTS relative spectral response calibration Herschel/SPIRE Fourier transform spectrometer (FTS) observations contain emission from both the Hers...

Valoración de los usuarios

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

Busque un recurso