Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Earthquake-Like Avalanches in Compression of Ductile Porous Materials   Earthquakes are complex phenomena characterized by some fundamental seismic
laws. However, under the framework of brittle fracture in disordered material,
these universal scaling behaviors, especially for critical exponents, are still
far from understood. In this Letter, we study avalanches in compression of a
nonbrittle material, the ductile metallic glass foam. In addition to elasticity
and disorder, more complex inelastic effects can be also introduced by strain
localization in cellular structures. We show that different from brittle
fracture, the additional shear-banding interactions result in novel avalanche
dynamics which successfully reproduce the most fundamental seismic laws,
including the Gutenberg-Richter law, the unified scaling law for the waiting
times, Omori law, and the productivity law. Our results thus demonstrate that
the local plastic slip, that also occurs in natural seismicity (such as strain
localization in fault gouges), constitutes a necessary ingredient to account
for the most fundamental seismic laws.

13
The categories of this paper are: quant-ph
19
The categories of this paper are: eess
27
The categories of this paper are: comp-gas
33
The categories of this paper are: plasm-ph
28
The categories of this paper are: alg-geom
18
The categories of this paper are: econ
35
The categories of this paper are: mtrl-th
24
The categories of this paper are: dg-ga
29
The categories of this paper are: funct-an
21
The categories of this paper are: adap-org
1
The categories of this paper are: cs
20
The categories of this paper are: acc-phys
9
The categories of this paper are: nlin
15
The categories of this paper are: nucl-ex
16
The categories of this paper are: stat
0
The categories of this paper are: hep-ph