Table 2.
Comparison of keff differences (Δkeff/σΔ) between MCATK and MCNP software for 55 problems from the MCATK criticality V&V suite for solid-body, spherical mesh, and LNK3DNT mesh geometries.
| Expected | Actual | Expected | |||
|---|---|---|---|---|---|
| Δkeff/σΔ | Actual | Expected | Count | Percentage | Percentage |
| Interval | Count | Count | Variance | of Cases | of Cases |
| |Δkeff/σΔ|< 1 | 34 | 36.72 | 11.75 | 62.96% | ∼68.0% |
| |Δkeff/σΔ|< 2 | 51 | 51.30 | 2.57 | 94.44% | ∼95.0% |
| |Δkeff/σΔ|< 3 | 54 | 53.84 | 0.16 | 100.00% | ∼99.7% |
| |Δkeff/σΔ|> 3 | 0 | 0.16 | 0.16 | 0.00% | < 0.3% |
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