Table 2: 2D homogeneous reactor results.

Structured meshUnstructured mesh
Mesh length (cm)10521052

Number of cells7228816202346664054
Computational time (s)0.38 0.854.110.741.5210.41
Eigenvalue-1 error (pcm)139.90382735.0838235.73382129.65382212.9238222.053821
Eigenvalue-2 error (pcm)309.78964977.39852714.010938117.77386038.6090756.124990
Eigenvalue-3 error (pcm)1207.774879246.01612947.219525437.256280179.90530618.743235
Eigenvalue-4 error (pcm)1587.045813462.00948774.560259221.291968128.80057720.948371
Eigenvalue-5 error (pcm)1948.227429492.73580080.710670436.132079185.87047629.279108