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research article

Models of continuum with microcrack distribution

Ramaniraka, N. A.
•
Rakotomanana, L. R.
2000
Mathematics and Mechanics of Solids

The present work compares the micromechanical approach and the continuum approach for modeling microcracked continuum. The first approach considers a distribution of microscopic cells including contacting lips (discontinuity of matter), and the second approach considers a distribution of singularity in a continuum (discontinuity of fields). The main difference in these two methods is due to the choice of internal variables capturing the interstitial dissipation: torsion and curvature of the affine connection in the continuum approach and jump of velocity and temperature across the cracks for the micromechanical approach. The continuum approach involves more details than the micromechanical approach due to the accounting for both the translations and rotations of contacting lips.

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Type
research article
DOI
10.1177/108128650000500303
Web of Science ID

WOS:000167820500003

Author(s)
Ramaniraka, N. A.
Rakotomanana, L. R.
Date Issued

2000

Published in
Mathematics and Mechanics of Solids
Volume

5

Issue

3

Start page

301

End page

336

Subjects

contact

•

solids

•

mechanics

•

stress

•

cracks

•

energy

Note

Ramaniraka, NA Swiss Fed Inst Technol, Dept Phys, CH-1015 Lausanne, Switzerland Swiss Fed Inst Technol, Dept Phys, CH-1015 Lausanne, Switzerland Univ Lausanne, Dept Phys, CH-1015 Lausanne, Switzerland Univ Lausanne, Orthopaed Hosp, Swiss Fed Inst Technol, CH-1015 Lausanne, Switzerland 417DQ Times Cited:0 Cited References Count:69

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LBO  
Available on Infoscience
July 25, 2006
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/232667
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