Resolution of the Generalized Eigenvalue Problem in the Neutron Diffusion Equation Discretized by the Finite Volume Method

Table 23

Langenbuch reactor power errors (%) corresponding to the second eigenvalue and HOM.

Node	Structured mesh
	10 cm	5 cm
1	2,748470704	0,472742419
2	1,064854909	0,505072706
3	0,379827902	0,520035451
4	0,846862035	0,527032189
5	6,400564495	2,241810405
6	1,064870054	0,505064685
7	0,500339771	0,504531289
8	1,13600946	0,496430539
9	2,54996541	0,525233749
10	8,338474277	2,124761105
11	0,379868741	0,519985959
12	1,135973249	0,496377465
13	1,719135726	0,413130915
14	3,303282255	0,426080951
15	8,233916013	1,633618147
16	0,846698163	0,526850063
17	2,549801498	0,525079406
18	3,303171711	0,426002352
19	6,461736033	0,930426868
20	10,39493074	2,481116214
21	6,400329869	2,24158495
22	8,338216136	2,124537285
23	8,233749447	1,633473241
24	10,39486316	2,481044325
25	8,712874235	0,839916928
26	6,327127	0,784501724
27	5,950753659	0,862124448
28	4,44225414	0,601601562
29	0,062727543	0,461900883
30	6,327225132	0,78459806
31	4,313496832	0,803439342
32	3,885076646	0,873376122
33	2,432393528	0,789928103
34	2,461696614	0,258876027
35	5,951087173	0,86245633
36	3,885366412	0,873674968
37	4,2237795	0,779967598
38	1,90610207	0,962348979
39	2,22742644	0,28534924
40	4,44301111	0,602394933
41	2,433102829	0,790642934
42	1,906524369	0,962753237
43	0,944598463	0,649099892
44	4,201989073	0,422463819
45	0,061633966	0,460821104
46	2,460613715	0,257845259
47	2,226705013	0,286064257
48	4,20167533	0,422178482