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@ARTICLE{Barras:873491,
author = {Barras, Fabian and Aldam, Michael and Roch, Thibault and
Brener, Efim A. and Bouchbinder, Eran and Molinari,
Jean-François},
title = {{E}mergence of {C}racklike {B}ehavior of {F}rictional
{R}upture: {T}he {O}rigin of {S}tress {D}rops},
journal = {Physical review / X Expanding access X},
volume = {9},
number = {4},
issn = {2160-3308},
address = {College Park, Md.},
publisher = {APS},
reportid = {FZJ-2020-00768},
pages = {041043},
year = {2019},
abstract = {The process of frictional rupture, i.e., the failure of
frictional systems, abounds in the technological and natural
world around us, ranging from squealing car brake pads to
earthquakes along geological faults. A general framework for
understanding and interpreting frictional rupture commonly
involves an analogy to ordinary crack propagation, with
far-reaching implications for various disciplines from
engineering tribology to geophysics. An important feature of
the analogy to cracks is the existence of a reduction in the
stress-bearing capacity of the ruptured interface, i.e., of
a drop from the applied stress, realized far ahead of a
propagating rupture, to the residual stress left behind it.
Yet, how and under what conditions such finite and
well-defined stress drops emerge from basic physics are not
well understood. Here, we show that for a rapid rupture a
stress drop is directly related to wave radiation from the
frictional interface to the bodies surrounding it and to
long-range bulk elastodynamics and not exclusively to the
physics of the contact interface. Furthermore, we show that
the emergence of a stress drop is a transient effect,
affected by the wave travel time in finite systems and by
the decay of long-range elastic interactions. Finally, we
supplement our results for rapid rupture with predictions
for a slow rupture. All of the theoretical predictions are
supported by available experimental data and by extensive
computations. Our findings elucidate the origin of stress
drops in frictional rupture; i.e., they offer a
comprehensive and fundamental understanding of why, how, and
to what extent frictional rupture might be viewed as an
ordinary fracture process.},
cin = {PGI-2},
ddc = {530},
cid = {I:(DE-Juel1)PGI-2-20110106},
pnm = {144 - Controlling Collective States (POF3-144)},
pid = {G:(DE-HGF)POF3-144},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000498884000002},
doi = {10.1103/PhysRevX.9.041043},
url = {https://juser.fz-juelich.de/record/873491},
}