Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Modeling the effect of microstructure on elastic wave propagation in
  platelet-reinforced composites and ceramics
11
The categories of this paper are: hep-lat
29
The categories of this paper are: funct-an
8
The categories of this paper are: hep-ex
32
The categories of this paper are: atom-ph
20
The categories of this paper are: acc-phys
31
The categories of this paper are: ao-sci
25
The categories of this paper are: patt-sol
13
The categories of this paper are: quant-ph
15
The categories of this paper are: nucl-ex
19
The categories of this paper are: eess
22
The categories of this paper are: chao-dyn
28
The categories of this paper are: alg-geom
16
The categories of this paper are: stat
1
The categories of this paper are: cs
2
The categories of this paper are: math
34
The categories of this paper are: chem-ph