MCNP Perturbation Capability for Monte Carlo Criticality Calculations

Conference · Mon Sep 20 00:00:00 EDT 1999

OSTI ID:758958

Hendricks, John S. ^[1]; Carter, Leland L. ^[2]; McKinney, Gregg W. ^[1]

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1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
2. Carter Monte Carlo Analysis, Keizer, OR (United States)

The differential operator perturbation capability in MCNP4B has been extended to automatically calculate perturbation estimates for the track length estimate of k_eff in MCNP4B. The additional corrections required in certain cases for MCNP4B are no longer needed. Calculating the effect of small design changes on the criticality of nuclear systems with MCNP is now straightforward.

• Research Organization: Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Carter Monte Carlo Analysis, Keizer, OR (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP)
• DOE Contract Number: W-7405-ENG-36
• OSTI ID: 758958
• Report Number(s): LA-UR-99-3186; TRN: US0004293
• Resource Relation: Conference: ICNC '99: Sixth International Conference on Nuclear Criticality Safety, Palais des Congres, Versailles (France), 20-24 Sep 1999; Other Information: PBD: 20 Sep 1999
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
96 KNOWLEDGE MANAGEMENT AND PRESERVATION
CORRECTIONS
CRITICALITY
DESIGN
DISTURBANCES
LENGTH
PARTICLE TRACKS
SAFETY ANALYSIS
M CODES
MONTE CARLO METHOD
Nuclear Criticality Safety Program (NCSP)
MCNP4B
Differential Operator Perturbation Technique
Second-Order Taylor Series Expansion
Godiva Critical Assembly
KCODE Calculations
Material Density
Composition Changes