Development of Continuous-Energy Eigenvalue Sensitivity Coefficient Calculation Methods in the Shift Monte Carlo Code

Conference · Sun Jan 01 00:00:00 EST 2012

OSTI ID:1039616

Perfetti, Christopher M ^[1]; Martin, William R ^[2]; Rearden, Bradley T ^[1]; Williams, Mark L ^[1]

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1. ORNL
2. University of Michigan

Three methods for calculating continuous-energy eigenvalue sensitivity coefficients were developed and implemented into the SHIFT Monte Carlo code within the Scale code package. The methods were used for several simple test problems and were evaluated in terms of speed, accuracy, efficiency, and memory requirements. A promising new method for calculating eigenvalue sensitivity coefficients, known as the CLUTCH method, was developed and produced accurate sensitivity coefficients with figures of merit that were several orders of magnitude larger than those from existing methods.

• Research Organization: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA)
• DOE Contract Number: DE-AC05-00OR22725
• OSTI ID: 1039616
• Resource Relation: Conference: PHYSOR 2012, Knoxville, TN, USA, 20120415, 20120420
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
ACCURACY
CALCULATION METHODS
EFFICIENCY
EIGENVALUES
SENSITIVITY
VELOCITY
Eigenvalue sensitivity coefficients
TSUNAMI
Monte Carlo
SCALE
Shift
CLUTCH
continuous-energy