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Title: Slow dynamics of consolidated granular systems: Multi-scale relaxation

Abstract

In this paper, dynamic acousto-elastic testing, a pump-probe scheme, is employed to investigate the recovery of consolidated granular media systems from the non-equilibrium steady state established by a pump strain field. This measurement scheme makes it possible to follow the recovery from the non-equilibrium steady state over many orders of magnitude in time. The recovery is described with a relaxation time spectrum that is found to be independent of the amplitude of the non-equilibrium steady state (pump amplitude) and of the environment in which samples reside. Finally, the non-equilibrium steady state and its slow recovery are the laboratory realization of phenomena that are found in many physical systems of practical importance.

Authors:
ORCiD logo [1];  [2];  [3];  [3]
  1. Pennsylvania State Univ., University Park, PA (United States). Dept. of Civil and Environmental Engineering
  2. Univ. Grenoble Alpes (France). Inst. of Earth Sciences (ISTerre)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Pennsylvania State Univ., University Park, PA (United States); Univ. Grenoble Alpes (France)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); European Research Council (ERC)
OSTI Identifier:
1475351
Alternate Identifier(s):
OSTI ID: 1414993
Report Number(s):
LA-UR-17-27544
Journal ID: ISSN 0003-6951
Grant/Contract Number:  
AC52-06NA25396; SC0017585; 655833
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 111; Journal Issue: 25; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; acoustical properties; cement; Berea sandstone; hygrometry; continuum mechanics; minerals; acoustical effects; elastic modulus; speed of sound; relaxation time spectrum

Citation Formats

Shokouhi, Parisa, Rivière, Jacques, Guyer, Robert A., and Johnson, Paul A.. Slow dynamics of consolidated granular systems: Multi-scale relaxation. United States: N. p., 2017. Web. doi:10.1063/1.5010043.
Shokouhi, Parisa, Rivière, Jacques, Guyer, Robert A., & Johnson, Paul A.. Slow dynamics of consolidated granular systems: Multi-scale relaxation. United States. doi:10.1063/1.5010043.
Shokouhi, Parisa, Rivière, Jacques, Guyer, Robert A., and Johnson, Paul A.. Wed . "Slow dynamics of consolidated granular systems: Multi-scale relaxation". United States. doi:10.1063/1.5010043.
@article{osti_1475351,
title = {Slow dynamics of consolidated granular systems: Multi-scale relaxation},
author = {Shokouhi, Parisa and Rivière, Jacques and Guyer, Robert A. and Johnson, Paul A.},
abstractNote = {In this paper, dynamic acousto-elastic testing, a pump-probe scheme, is employed to investigate the recovery of consolidated granular media systems from the non-equilibrium steady state established by a pump strain field. This measurement scheme makes it possible to follow the recovery from the non-equilibrium steady state over many orders of magnitude in time. The recovery is described with a relaxation time spectrum that is found to be independent of the amplitude of the non-equilibrium steady state (pump amplitude) and of the environment in which samples reside. Finally, the non-equilibrium steady state and its slow recovery are the laboratory realization of phenomena that are found in many physical systems of practical importance.},
doi = {10.1063/1.5010043},
journal = {Applied Physics Letters},
number = 25,
volume = 111,
place = {United States},
year = {Wed Dec 20 00:00:00 EST 2017},
month = {Wed Dec 20 00:00:00 EST 2017}
}

Journal Article:
Free Publicly Available Full Text
This content will become publicly available on December 20, 2018
Publisher's Version of Record

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Cited by: 1 work
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