Research Article
Resolution of the Generalized Eigenvalue Problem in the Neutron Diffusion Equation Discretized by the Finite Volume Method
Table 15
3D homogeneous reactor power errors (%) corresponding to the second eigenvalue.
| Node | Structured mesh | 10 cm | 5 cm | 2 cm |
| 1 | 0.996377 | 0.284899 | 0.045155 | 2 | 1.019201 | 0.279652 | 0.044237 | 3 | 0.996370 | 0.284906 | 0.045097 | 4 | 1.062091 | 0.289487 | 0.045069 | 5 | 1.008268 | 0.280020 | 0.044300 | 6 | 1.062091 | 0.289473 | 0.045105 | 7 | 0.996377 | 0.284871 | 0.045155 | 8 | 1.019187 | 0.279666 | 0.044165 | 9 | 0.996377 | 0.284856 | 0.045155 | 10 | 1.037403 | 0.284821 | 0.044523 | 11 | 1.008552 | 0.282182 | 0.044436 | 12 | 1.037403 | 0.284835 | 0.044473 | 13 | 1.034915 | 0.283264 | 0.044419 | 14 | 1.064620 | 0.288742 | 0.044959 | 15 | 1.034915 | 0.283235 | 0.044389 | 16 | 1.037410 | 0.284806 | 0.044658 | 17 | 1.008552 | 0.282277 | 0.044626 | 18 | 1.037403 | 0.284813 | 0.044729 | 19 | 1.031311 | 0.283454 | 0.044715 | 20 | 1.015537 | 0.283716 | 0.044796 | 21 | 1.031304 | 0.283440 | 0.044693 | 22 | 1.027935 | 0.281797 | 0.044396 | 23 | 1.072478 | 0.290229 | 0.045138 | 24 | 1.027935 | 0.281790 | 0.044459 | 25 | 1.031311 | 0.283412 | 0.044765 | 26 | 1.015558 | 0.283695 | 0.044655 | 27 | 1.031318 | 0.283412 | 0.044686 | 28 | 1.031311 | 0.283462 | 0.044715 | 29 | 1.015537 | 0.283716 | 0.044782 | 30 | 1.031304 | 0.283440 | 0.044686 | 31 | 1.027928 | 0.281804 | 0.044403 | 32 | 1.072478 | 0.290224 | 0.045144 | 33 | 1.027928 | 0.281797 | 0.044452 | 34 | 1.031311 | 0.283419 | 0.044772 | 35 | 1.015558 | 0.283695 | 0.044655 | 36 | 1.031311 | 0.283419 | 0.044679 | 37 | 1.037403 | 0.284813 | 0.044516 | 38 | 1.008552 | 0.282182 | 0.044442 | 39 | 1.037395 | 0.284828 | 0.044466 | 40 | 1.034915 | 0.283258 | 0.044419 | 41 | 1.064620 | 0.288751 | 0.044959 | 42 | 1.034915 | 0.283235 | 0.044389 | 43 | 1.037403 | 0.284806 | 0.044650 | 44 | 1.008552 | 0.282289 | 0.044626 | 45 | 1.037403 | 0.284799 | 0.044729 | 46 | 0.996377 | 0.284892 | 0.045155 | 47 | 1.019208 | 0.279659 | 0.044244 | 48 | 0.996384 | 0.284913 | 0.045097 | 49 | 1.062091 | 0.289473 | 0.045076 | 50 | 1.008250 | 0.280026 | 0.044300 | 51 | 1.062091 | 0.289458 | 0.045119 | 52 | 0.996377 | 0.284871 | 0.045162 | 53 | 1.019194 | 0.279659 | 0.044151 | 54 | 0.996377 | 0.284871 | 0.045155 |
|
|