2024 MCATK Status

Status and advances of Monte Carlo codes for particle transport simulation

Open Access

Table 1.

MCATK and MCNP software results for 37 of the 55 problems in the MCATK criticality V&V suite for solid-body and LNK3DNT mesh geometries. Not shown are the 17 spherical mesh geometry benchmarks which closely match the results of solid-body geometry simulations.

	MCNP		MCATK			MCATK/MCNP
Run name	k_eff	Std. Dev.	k_eff	Std. Dev.	Δk_eff/σ_Δ	CPU time
BAWXI2_Solid3D	1.00097	0.00033	1.00180	0.00052	1.34	1.59
BIGTEN_Solid3D	0.98419	0.00026	0.98267	0.00049	–2.77	0.54
BIGTEN_lnk3dnt	0.98382	0.00035	0.98450	0.00061	0.99	0.33
FLAT23_Solid3D	0.99529	0.00016	0.99531	0.00022	0.05	0.58
FLAT25_Solid3D	0.99632	0.00014	0.99600	0.00021	–1.28	0.57
FLATPU_Solid3D	0.99777	0.00037	0.99755	0.00049	–0.36	0.58
FLSTF1_Solid3D	0.98427	0.00023	0.98465	0.00040	0.83	1.01
GodivaR_Solid3D	1.01380	0.00057	1.01208	0.00087	–1.63	0.69
Godiva_Solid3D	0.99330	0.00013	0.99351	0.00021	0.87	0.38
HISHPG_Solid3D	1.00818	0.00040	1.00904	0.00064	1.12	0.71
ICT2C3_Solid3D	1.02088	0.00052	1.02203	0.00098	1.01	1.43
IMF03_Solid3D	0.99577	0.00013	0.99566	0.00022	–0.44	0.85
IMF04_Solid3D	1.00033	0.00014	1.00036	0.00023	0.08	0.73
JEZ233_Solid3D	0.99712	0.00012	0.99705	0.00018	–0.33	0.28
JEZ240_Solid3D	0.99833	0.00010	0.99834	0.00013	0.08	0.38
JEZPU_Solid3D	0.99807	0.00013	0.99811	0.00017	0.18	0.37
LST2C2_Solid3D	0.97176	0.00032	0.97238	0.00064	0.89	1.02
ORNL10_Solid3D	0.98569	0.00028	0.98565	0.00075	–0.06	0.86
ORNL11_Solid3D	0.99190	0.00026	0.98992	0.00081	–2.36	0.82
PNL2_Solid3D	1.00932	0.00021	1.00970	0.00035	0.90	1.06
PNL33_Solid3D	1.00873	0.00050	1.00926	0.00087	0.52	0.73
PUBTNS_Solid3D	0.99702	0.00045	0.99857	0.00066	1.95	0.95
PUSH2O_Solid3D	1.01190	0.00053	1.01243	0.00077	0.56	0.63
SB25_Solid3D	1.03477	0.00099	1.03776	0.00173	1.45	0.93
SB5RN3_Solid3D	0.97684	0.00090	0.97574	0.00165	–0.60	7.15
STACY36_Solid3D	0.97791	0.00029	0.97627	0.00067	–2.30	0.94
STACY36_lnk3dnt	0.97941	0.00042	0.97802	0.00095	–1.36	0.59
THOR_Solid3D	0.99571	0.00015	0.99577	0.00021	0.23	0.61
THOR_lnk3dnt	0.99560	0.00042	0.99476	0.00064	–1.10	0.25
TT2C11_Solid3D	1.00130	0.00051	1.00330	0.00092	1.89	0.66
UH3C6_Solid3D	0.98829	0.00054	0.98677	0.00091	–1.45	1.24
UH3C6_lnk3dnt	0.98869	0.00017	0.98887	0.00029	0.54	0.57
UMF5C2_Solid3D	0.99247	0.00014	0.99278	0.00023	1.17	0.47
ZEBR8H_Solid3D	1.00138	0.00027	1.00170	0.00057	0.50	1.08
ZEBR8H_lnk3dnt	1.00210	0.00030	1.00167	0.00062	–0.63	0.55
ZEUS2_Solid3D	0.98943	0.00039	0.98950	0.00064	0.09	1.18
ZEUS2_lnk3dnt	0.99271	0.00054	0.99339	0.00089	0.66	0.37

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