Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Modeling of Magnetostriction of Soft Elastomer   Small magnetic particles placed in a relatively soft polymer (with elastic
modulus E ~ 10-100 kPa) are magnetically soft elastomers. The external magnetic
field acts on each particle which leads to microscopic deformation of the
material and consequently to changing of its shape - magnetostriction. For
purposes of studying of magnetostriction the model of movable cellular automata
(MCA), in which a real heterogeneous material is an ensemble of interacting
elements of finite size - automata, is used. It is supposed to be that the
motion of each automata can be described by Newton's Second law. The force
acting on the i-th automata consists of the following components:
volume-dependent force acting on the automata i which is caused by pressure
from the surrounding automata; force of an external magnetic field acting on
the i-th automata with some magnetic moment; and normal and tangential
interaction force between a pair of i and j automata. This approach was used
for modeling of magnetostriction elastomer.

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The categories of this paper are: hep-ph
25
The categories of this paper are: patt-sol
2
The categories of this paper are: math
23
The categories of this paper are: solv-int
13
The categories of this paper are: quant-ph
16
The categories of this paper are: stat
15
The categories of this paper are: nucl-ex
31
The categories of this paper are: ao-sci
30
The categories of this paper are: q-alg
29
The categories of this paper are: funct-an
33
The categories of this paper are: plasm-ph
11
The categories of this paper are: hep-lat
7
The categories of this paper are: hep-th
3
The categories of this paper are: physics
34
The categories of this paper are: chem-ph
37
The categories of this paper are: supr-con