Table 5: 2D homogeneous reactor power errors (%) corresponding to the second eigenvalue.

NodeStructured meshUnstructured mesh
10 cm5 cm2 cm10 cm5 cm2 cm

10.0106990.0020260.0001770.0644400.1314500.023185
2
30.0117670.0009000.0007350.2183250.0568480.013567
40.0133050.0026700.0002910.3707350.1429940.009263
5
60.0122190.0037810.0011950.2701320.0007790.021504
70.0107060.0020260.0001350.1166020.0912690.018453
8
90.0117670.0009000.0006930.2289390.0578440.029325