Research Article
Resolution of the Generalized Eigenvalue Problem in the Neutron Diffusion Equation Discretized by the Finite Volume Method
Table 4
2D homogeneous reactor power errors (%) corresponding to the first eigenvalue.
| Node | Structured mesh | Unstructured mesh | 10 cm | 5 cm | 2 cm | 10 cm | 5 cm | 2 cm |
| 1 | 0.009206 | 0.000081 | 0.000069 | 0.094629 | 0.131237 | 0.018789 | 2 | 0.005681 | 0.001217 | 0.000559 | 0.005927 | 0.002009 | 0.005058 | 3 | 0.002318 | 0.002675 | 0.001150 | 0.098431 | 0.136212 | 0.015750 | 4 | 0.010802 | 0.001601 | 0.000126 | 0.091223 | 0.125323 | 0.007585 | 5 | 0.014169 | 0.003062 | 0.000684 | 0.000774 | 0.005144 | 0.001788 | 6 | 0.017709 | 0.004348 | 0.001148 | 0.073893 | 0.111893 | 0.015444 | 7 | 0.009206 | 0.000081 | 0.000058 | 0.092636 | 0.096630 | 0.020416 | 8 | 0.005672 | 0.001208 | 0.000577 | 0.006823 | 0.000913 | 0.001457 | 9 | 0.002318 | 0.002686 | 0.001182 | 0.082769 | 0.141282 | 0.007689 |
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