The relaxation of the second moments in rapid shear flows of smooth disks

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This paper compares the results of numerical simulations for two- dimensional, rapid, homogeneous shear flows of identical, smooth, inelastic disks with the predictions of Jenkins and Richman (JFM 192, 313-328 (1988)) for the relaxation of the second moments of the velocity distribution function following a homogeneous, but anisotropic disturbance of their steady values. For nearly elastic disks, the time-history of the relaxation is in excellent agreement with the theory in both its dense and dilute limits. However, deviations are observed in the case of inelastic particles. 2 refs., 8 figs.

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Pages: (9 p)

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Louge, M.Y. (Cornell Univ., Ithaca, NY (United States). Sibley School of Mechanical and Aerospace Engineering); Jenkins, J.T. (Cornell Univ., Ithaca, NY (United States). Dept. of Theoretical and Applied Mechanics) & Hopkins, M.A. (Army Cold Regions Research and Engineering Lab., Hanover, NH (United States)) January 1, 1991.

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Description

This paper compares the results of numerical simulations for two- dimensional, rapid, homogeneous shear flows of identical, smooth, inelastic disks with the predictions of Jenkins and Richman (JFM 192, 313-328 (1988)) for the relaxation of the second moments of the velocity distribution function following a homogeneous, but anisotropic disturbance of their steady values. For nearly elastic disks, the time-history of the relaxation is in excellent agreement with the theory in both its dense and dilute limits. However, deviations are observed in the case of inelastic particles. 2 refs., 8 figs.

Physical Description

Pages: (9 p)

Notes

OSTI; NTIS; GPO Dep.

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  • 2. U.S.-Japan seminar on micromechanics of granular materials, Syracuse, NY (United States), 4-10 Aug 1991

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  • Other: DE92000408
  • Report No.: CONF-9108127-2
  • Grant Number: AC22-88PC88947
  • Grant Number: AC22-91PC90183
  • Office of Scientific & Technical Information Report Number: 5072984
  • Archival Resource Key: ark:/67531/metadc1058193

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  • January 1, 1991

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  • Jan. 22, 2018, 7:23 a.m.

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  • Jan. 29, 2018, 12:14 p.m.

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Louge, M.Y. (Cornell Univ., Ithaca, NY (United States). Sibley School of Mechanical and Aerospace Engineering); Jenkins, J.T. (Cornell Univ., Ithaca, NY (United States). Dept. of Theoretical and Applied Mechanics) & Hopkins, M.A. (Army Cold Regions Research and Engineering Lab., Hanover, NH (United States)). The relaxation of the second moments in rapid shear flows of smooth disks, article, January 1, 1991; United States. (digital.library.unt.edu/ark:/67531/metadc1058193/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.