Effect of rolling on dissipation in fault gouges

Alonso-Marroquin, F., Vardoulakis, I., Herrmann, H. J., Weatherley, D. and Mora, P. (2006) Effect of rolling on dissipation in fault gouges. Physical Review E, 74 3: .


Author Alonso-Marroquin, F.
Vardoulakis, I.
Herrmann, H. J.
Weatherley, D.
Mora, P.
Title Effect of rolling on dissipation in fault gouges
Journal name Physical Review E   Check publisher's open access policy
ISSN 1539-3755
Publication date 2006
Sub-type Article (original research)
DOI 10.1103/PhysRevE.74.031306
Volume 74
Issue 3
Total pages 10
Place of publication USA
Publisher American Physical Society
Collection year 2006
Language eng
Subject C1
260206 Earthquake Seismology
780104 Earth sciences
Abstract Sliding and rolling are two outstanding deformation modes in granular media. The first one induces frictional dissipation whereas the latter one involves deformation with negligible resistance. Using numerical simulations on two-dimensional shear cells, we investigate the effect of the grain rotation on the energy dissipation and the strength of granular materials under quasistatic shear deformation. Rolling and sliding are quantified in terms of the so-called Cosserat rotations. The observed spontaneous formation of vorticity cells and clusters of rotating bearings may provide an explanation for the long standing heat flow paradox of earthquake dynamics.
Keyword Physics, Fluids & Plasmas
Physics, Mathematical
Definition
Kinematics
Friction
Zones
Q-Index Code C1
Additional Notes DOI:10.1103/PhysRevE.74.031306

 
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